(1) Vertical asymptote: [tex]x=-4[/tex]
(2) Domain: [tex]x>-4[/tex]
(3) X intercept: [tex](-2,0)[/tex] and Y intercept : [tex](0,1)[/tex]
(4) The function g(x) is shifted 4 units to the left and shifted 1 unit down.
Explanation:
The parent function is [tex]f(x)=\log _{2} x[/tex]
The transformed function is [tex]g(x)=\log _{2}(x+4)-1[/tex]
(1) Vertical asymptote:
The vertical asymptote of a function can be determined by equating
[tex]x+4=0[/tex]
Thus, [tex]x=-4[/tex]
The vertical asymptote is [tex]x=-4[/tex]
(2) Domain:
The domain of a function is the set of all independent x-values.
[tex]x+4>0[/tex]
Thus, [tex]x>-4[/tex]
The domain of a function is [tex]x>-4[/tex]
(3) X and Y intercepts:
To determine the x intercept, let us substitute y=0 in [tex]g(x)=\log _{2}(x+4)-1[/tex]
[tex]\begin{equation}\begin{aligned}\log _{2}(x+4)-1 &=0 \\\log _{2}(x+4) &=1 \\x+4 &=2^{1} \\x &=-2\end{aligned}[/tex]
Thus, the x intercept is [tex](-2,0)[/tex]
To determine the y intercept, let us substitute x=0 in [tex]g(x)=\log _{2}(x+4)-1[/tex]
[tex]\begin{equation}\begin{aligned}y &=\log _{2}(0+4)-1 \\&=\log _{2} 4-1 \\&=2-1 \\&=1\end{aligned}[/tex]
Thus, the y intercept is [tex](0,1)[/tex]
(4) To determine the transformation:
The transformed function [tex]g(x)=\log _{2}(x+4)-1[/tex] is shifted 4 units to the left and shifted 1 unit downwards.
Kerry's saving account has balance of $372 for grandmother is going to give her a birthday check was 1/4 of her savings parents are they going to give her a check or 33% of her new savings account balance would you have enough money to buy a plane ticket to alaska the cost $600
Answer:
Step-by-step explanation:
372 + 1/4*372 = $465
$465 is her new savings and 33% of it is $153.45
$465 + $153.45 = $618.45
So yes she would have enough money to buy a plane ticket to alaska the cost $600
A tire for a car is 24 inches in diameter. If the car is traveling at a speed of 60 mi/hr, find the number of revolutions the tire makes per minute. (Round your answer to the nearest hundredth.)
Answer: The number of revolutions the tire makes per minute= 840.76
Step-by-step explanation:
Given : Diameter of tire = 24 inches
Speed of car = 60 mi/ hr
We know that 1 mile =63360 inches and 1 hour = 60 minutes
Then, Speed of car = ( 60 mi/ hr) x( 63360 inches) ÷ (60 minutes)
[tex]=\dfrac{60\times63360 }{60}[/tex] inches/minute
=63360 inches / minute
Circumference of tire = [tex]\pi (diameter)[/tex]
[tex](3.14)(24)=75.36\ inches[/tex]
Now , the number of revolutions the tire makes per minute = [tex]\dfrac{\text{speed of car}}{\text{Circumference of tire}}[/tex]
[tex]=\dfrac{63360}{75.36}=840.76433121\approx840.76[/tex]
Hence, the number of revolutions the tire makes per minute= 840.76
Let V be a vector space and assume that T, U, W are sub spaces of V. Show that if T cup U W is a sub space of V, then two of these subspaces must be contained in the other one?
Answer: T⊂U⊂W are subspaces of V
Step-by-step explanation:
Proof: This is the easier direction.
If T⊂U⊂W or W⊂U⊂T then we have U⊂T⊂W = T or T⊂U⊂W = U
orT⊂U⊂W=W respectively.
SoT⊂U⊂W is a subspace as T, U and W are subspaces.
1st case :T⊂U⊂W is true Then the disjunction W⊂U⊂T or U⊂T⊂W is trivially true.
Let x∈W1 and y∈W2−W1.
By the definition of the union, we have x∈W∪T∪C and y∈T⊂U⊂W
As T∪U∪W is a subspace, x+y∈T∪C∪W which, again by the definition of the union, means that x+y∈W∪T∪C
V∈W∪T∪C
As V was arbitrary, as desired.
Final answer:
If T ∪ U ∪ W is a subspace of V, then two of the subspaces must be contained in the other one.
Explanation:
If T ∪ U ∪ W is a subspace of V, then two of the subspaces must be contained in the other one. We can prove this by contradiction. Assume that none of the subspaces is contained in the other. This means that there is an element in T that is not in U ∪ W, an element in U that is not in T ∪ W, and an element in W that is not in T ∪ U. If we take any two of these elements, one from each subspace, and add them together, the result will not be in T ∪ U ∪ W, which contradicts the assumption.
Therefore, two of the subspaces must be contained in the other one.
Write the function as a set of ordered pairs.
Give the domain and range of f.
f(1)=10, f(2)=-3, f(3)=3
Answer:
1. (1,10) 2. (2,-3) 3. (3,3)
The reequired ordered pair of the given function is (1, 10), (2, -3), and (3, 3).
Given that,
To determine the function as a set of ordered pairs.
f(1)=10, f(2)=-3, f(3)=3
Functions is the relationship between sets of values. e g y=f(x), for every value of x there is its exists in set of y. x is the independent variable while Y is the dependent variable.
Here,
Since order pair of function f(x) = y is given as (x, y)
Similarly ordered pair of the function given is,
f(1) = 10
ordered pair = (1, 10)
f(2) = 3
ordered pair = (2, -3)
f(3) = 3
ordered pair = (3, 3)
Thus, the reequired ordered pair of the given function is (1, 10), (2, -3), and (3, 3).
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Use the graph that shows the solution to
f(x)=g(x) .
f(x)=−3/4x^2+3x+1
g(x)=2x
Graph A is the correct representation, as it aligns with the functions f(x) and g(x), resulting in the accurate intersection point (2, 4). Graph B does not accurately represent the functions based on the reported intersection point (4, 1).
The correct graph can be determined by analyzing the given functions and the specified intersection points. The functions are f(x) = -3/4 * x^2 + 3x + 1 and g(x) = 2x, and the reported intersection points are (2, 4) for graph A and (4, 1) for graph B.
To verify the accuracy, substitute the x-values into both functions:
Graph A (Intersection at (2, 4)):
f(2) = -3/4 * (2)^2 + 3 * 2 + 1 = 4
g(2) = 2 * 2 = 4
Both functions align, confirming the correctness of the reported intersection point.
Graph B (Intersection at (4, 1)):
f(4) = -3/4 * (4)^2 + 3 * 4 + 1 = 1
g(4) = 2 * 4 = 8
There is a discrepancy here, as the y-values do not match. Therefore, graph B does not accurately represent the functions f(x) and g(x).
In conclusion, graph A is correct since it accurately reflects the given functions and results in the reported intersection point (2, 4).
Identify the triangle that contains an acute angle for which the sine and cosine ratios are equal. 1. Triangle A B C has angle measures 50 degrees, 40 degrees, and 90 degrees. 2. Triangle A B C has angle measures 45 degrees, 45 degrees, 90 degrees. 3. The lengths of sides A C and C B are congruent. 4. Triangle A B C has angle measures 68 degrees, 22 degrees, and 90 degrees. 5. Triangle A B C has angle measures 60 degrees, 30 degrees, and 90 degrees.
Answer:
The correct option: (2) Triangle ABC that has angle measures 45°, 45° and 90°.
Step-by-step explanation:
It is provided that a triangle ABC has an acute angle for which the sine and cosine ratios are equal to 1.
Let the acute angle be m∠A.
For the sine and cosine ratio of m∠A to be equal to 1, the value of Sine of m∠A should be same as value of Cosine of m∠A.
The above predicament is possible for only one acute angle, i.e. 45°, since the value of Sin 45° and Cos 45° is,
[tex]Sin\ 45^{o} =Cos\ 45^{o} = \frac{1}{\sqrt{2} }[/tex]
So for acute angle 45° the ratio of Sin 45° and Cos 45° is:
[tex]\frac{Sin\ 45^{o}}{Cos\ 45^{o}} = \frac{\frac{1}{\sqrt{2} } }{\frac{1}{\sqrt{2} } } = 1[/tex]
Hence one of the angles of a triangle is, m∠A = 45°.
Comparing with the options provided the triangle is,
Triangle ABC that has angle measures 45°, 45° and 90°.
Thus, the provided triangle is a right angled isosceles triangle, since it has two similar angles.
Answer:
IT'S the second option
Step-by-step explanation:
In 2019, Paul, a single taxpayer, has taxable income of $30,000 exclusive of capital gains and losses. Paul incurred a $1,000 short-term capital loss and a $4,000 long-term capital loss. What is the amount of his long-term capital loss carryover to 2019?
Answer:
Our answer is $2000
Step-by-step explanation:
Short term capital loss = $1000
Long term capital loss = $4000
Taxable Income = $30000
Long term capital loss carryover to 2019 = ($1000 + $4000) - $3000 = $2000
In pea plants, smooth pea shape is dominant towrinkled and yellow pea color is dominant togreen. A plant that is heterozygous for pea shape and has green peas is crossed with a plant that is has wrinkled peas and is heterozygous forpeacolor. What is the probability of having offspringwith wrinkledgreen peas?
The probability of having wrinkled green peas is 25% or 0.25
Explanation:
Given:
Pea shape - smooth and wrinkled
Pea color - Yellow and green
Smooth is dominant to wrinkled
Yellow color is dominant to green
So, the genotype of smooth pea is SS or Ss
wrinkled pea is ss
The genotype of yellow pea is YY or Yy
green pea is yy
According to the question,
Ssyy X ssYy
Possible gametes of Ssyy - Sy , Sy, sy, sy
Possible gametes of ssYy - sY, sy, sY, sy
Cross between these gametes are shown in the punnett square drawn in the word file attached.
According to the cross,
The probability of having wrinkled green peas is 25% or 0.25
Walk from home to the bus stop at the average speed of 5 km an hour he immediately got on the school bus and traveled at an average speed of 60 hour until he got the total distance from her is 35 km and the entire trip 1.5 hours how many kilometers did your Canon covered by walking and how many kilometers did you cover by traveling on the bus
Answer:
5 km walking, 30 km on the bus.
Step-by-step explanation:
Let
w
be the distance walking and
b
be the distance on the bus.
The total distance is 35 km.
w
+
b
=
35
The total time is 1.5 hours. Each leg has time equal to distance/speed.
w
5
+
b
60
=
1.5
Multiply by 60 to clear the fractions.
12
w
+
b
=
90
Subtract the first equation,
11
w
=
90
−
35
=
55
w
=
5
b
=
30
Check:
A 1500 kg hippo is completely submerged, standing on the bottom of a lake. What is the approximate value of the upward normal force on the hippo?
Answer:
About 428 N
Step-by-step explanation:
Weight = 1,500 * 9.8 = 14,700 N
Density = Mass ÷ Volume
1,030 = 1,500 ÷ V
V = 1,500 ÷ 1,030 = 1.46 m^3.
Buoyant force = Density * g * V
Buoyant force = 1,000 * 9.8 * (1,500 ÷ 1,030)
Buoyant force = 9,800 * (1,500 ÷ 1,030) = 14,272 N.
Net force = 14,700 – [(9,800 * (1,500 ÷ 1,030)]
The upward normal force on a 1500 kg submerged hippo is approximately equal to its weight, calculated as its mass times the acceleration due to gravity (1500 kg × 9.81 m/s²), resulting in a force of 14715 N.
Explanation:The question is asking about the upward normal force on a submerged hippo in a lake. To find this force, we must understand that the upward normal force that the ground (or in this case, the lake bed) exerts on the hippo is equal to the weight of the hippo, which is the product of the hippo's mass (m) and the acceleration due to gravity (g).
In equation form: Normal Force = m × g. Plugging in the values, we have a 1500 kg hippo and the acceleration due to gravity is approximately 9.81 m/s². Therefore, the upward normal force is:
Normal Force = 1500 kg × 9.81 m/s² = 14715 N.
This is the approximate value of the upward normal force exerted on the hippo standing on the bottom of the lake.
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A cube of mass m 1 = 7.0 kg is sitting on top of a second cube of the same size and mass m 2 = 0.7 kg while both are in free fall. Ignoring any air resistance, what is the magnitude of the normal force with which the bottom cube is acting on the top cube?
Answer:
0 N
Step-by-step explanation:
We are given that
[tex]m_1=7 kg[/tex]
[tex]m_2=0.7 kg[/tex]
Total mass =[tex]m_1+m_2=7+0.7=7.7 Kg[/tex]
We have to find the magnitude of the normal force with which the bottom cube is acting on the top cube.
When both cube are fall freely then
g=[tex]0m/s^2[/tex]
Then, the weight=[tex]mg=7.7\times 0=0 N[/tex]
The direction of weight is downward.
We know that
Normal force is equal to weight and act in opposite direction of weight.
When the weight is zero N then
The magnitude of the normal force with which the bottom cube is acting on the top cube=0 N
Some of helen's plants need water every day,some need water every other day,and others need water every third day.If she waters them all today,how many days will it be before she waters them all again?
Answer: Waters on 7th day
Step-by-step explanation:
If she waters everyday then days= 1,2,3,4,5,6,7,8,9
If she waters every other day= 1,3,5,7,9
If she waters every third day= 1,4,7,10,13
So the common day to all is either 1st day or 7th day.
The sun subtend an angle at 35degree from the centre of the earth whose distant from the centre of the earth is 382,100km. Find the diameter of the sun
Study the figure attached below:
Answer:
240951.33km
Step-by-step explanation:
For this type of question first we need to draw the figure as shown in the attached file (Figure.1).
Looking at the figure, we can see that triangle ABC is formed by bisecting the angle 35 degree (i.e. if the angle is bisected, it will divide into two equal parts, so 35 degree will divide into two equal parts of 17.5 degree).
As the triangle ABC is a right triangle, so we can use the trigonometric ratios to find the diameter of the sun.
[tex]tan(\theta )= \frac{perpendicular}{Base}[/tex]
In the triangle ABC, perpendicular (opposite side to [tex]\theta[/tex] ) is BC and base (Adjacent side) is AC
[tex]tan(\theta)=\frac{BC}{AC}[/tex]
[tex]\theta[/tex]=17.5 degree
AC=382100km
Putting the values, we get
[tex]tan(17.5)=\frac{BC}{382100}\\ \\BC=tan(17.5)*382100km\\\\BC=0.315*382100km\\\\BC=120475.66km[/tex]
Diameter=d=2*Radius
As BC is the distance from center of the sun, it is the radius, so we can find the diameter if we multiply it by 2.
Diameter of the sun=d=2*120475.66km
[tex]The\ diameter\ of\ the\ sun\ = 240951.33km[/tex]
Final answer:
To find the diameter of the Sun based on its angular diameter and distance from Earth, use the trigonometric function tan to calculate the true diameter, resulting in an approximate value of 865,373 miles.
Explanation:
To find the diameter of the Sun:
Given: Angular diameter = 0.5°, Distance from Earth = 93,000,000 milesCalculate the true diameter using the formula: True Diameter = 2 * Distance * tan(Angular diameter)Plug in the values: True Diameter = 2 * 93,000,000 * tan(0.5°)After calculation, the diameter of the Sun is approximately 865,373 miles.Which of the following functions are solutions of the differential equation y'' + y = sin(x)?a) y= sinx
b) y= cosx
c) y=1/2sinx
d) -1/2xcosx
Answer:
Option (d)
Step-by-step explanation:
Given,
y" +y=sin x ...........(1)
The particular solution
[tex]y_p=A x sinx +Bx cosx[/tex]
[tex]y'_p=Axcosx+Asinx+B cosx-Bxsinx[/tex]
[tex]y"_p=Acosx-Axsinx+Acosx-Bsinx-Bsinx-Bxcosx[/tex]
[tex]y"_p=2Acosx-Axsinx-2Bsinx-Bxcosx[/tex]
Putting the value of y" and y in equation (1)
[tex]2Acosx-Axsinx-2Bsinx-Bxcosx+Axsinx+Bxcosx = sinx[/tex]
[tex]\Rightarrow 2Acosx-2Bsinx=sinx[/tex]
Therefore 2A =0 -2B=1
⇒A=0 [tex]\rightarrow B=-\frac{1}{2}[/tex]
Therefore [tex]y_p=-\frac{1}{2} x cosx[/tex]
The solutions of the differential equation y'' + y = sin(x) are y = cos(x), y = (1/2)sin(x), and y = -(1/2)xcos(x).
Explanation:To determine which of the given functions are solutions of the differential equation y'' + y = sin(x), we can substitute each function into the equation and check if it satisfies the equation. Let's go through each option:
Substituting y = sin(x) into the equation, we get -sin(x) + sin(x) = sin(x), which is not true. So, y = sin(x) is not a solution.Therefore, the solutions of the differential equation y'' + y = sin(x) are y = cos(x), y = (1/2)sin(x), and y = -(1/2)xcos(x).
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Diane received 300 votes in the election for student council president. That was 60% of the students who voted election. How many students voted in the election?
Answer:
500
Step-by-step explanation:
The problem statement tells you ...
300 = 0.60×voters
Dividing by the coefficient of the variable gives ...
300/0.60 = voters = 500
500 students voted in the election.
Answer:
500
Step-by-step explanation:
A private opinion poll is conducted for a politician to determine what proportion of the population favors adding more national parks. How large a sample is needed in order to be 98 % confident that the sample proportion will not differ from the true proportion by more than 6 %?
Answer:
n≅376
So sample size is 376.
Step-by-step explanation:
The formula we are going to use is:
[tex]n=pq(\frac{z_{\alpha/2}}{E})^{2}[/tex]
where:
n is the sample size
p is the probability of favor
q is the probability of not in favor
E is the Margin of error
z is the distribution
α=1-0.98=0.02
α/2=0.01
From cumulative standard Normal Distribution
[tex]z_{\alpha/2}=2.326[/tex]
p is taken 0.5 for least biased estimate, q=1-p=0.5
[tex]n=0.5*0.5(\frac{2.326}{0.06})^{2}\\n=375.71[/tex]
n≅376
So sample size is 376
what are the values of c and d in the matrix [[6,8],[-11,15]]-[[c+2,3],[-5,d-4]]=[[22,5],[-6,17]]
Answer:
c = -18
d = 2
Step-by-step explanation:
[[6,8],[-11,15]]-[[c+2,3],[-5,d-4]]=[[22,5],[-6,17]]
First we arrange the subtraction to clear the unknowns
- [[c+2,3],[-5,d-4]] = [[22,5],[-6,17]] - [[6,8],[-11,15]]
[[c+2,3],[-5,d-4]] = [[6,8],[-11,15]] - [[22,5],[-6,17]]
Now we solve what can be done
[[c+2,3],[-5,d-4]] = [[6-22 , 8-5],[-11+6 , 15-17]]
[[c+2,3],[-5,d-4]] = [[-16 , 3] , [-5 , -2]
we match each term with its corresponding one and we will obtain
c + 2 = -16 d - 4 = -2
c = -16 - 2 d = -2 + 4
c = -18 d = 2
58x176 equals what.... will make brainliest
Answer:
10208
Step-by-step explanation:
just 58x176
which of the following terms is not a monomial a)6x b)1/3x^2 c)13 d) 3x^-3
Answer:
The answer is D.
Step-by-step explanation: A monomial is an algebraic expression that consists of one term. D consists of 2 terms and is considered a binomial.
Select TWO equivalent expression to the function 3x^2−12x−36.
Question 1 options:
3(x+6)(x−2)
3(x−6)(x+2)
(3x+6)(x−6)
(3x−6)(x+6)
Answer:
3(x-6)(x+2) and (3x+6)(x-6)
Step-by-step explanation:
The other two answers are wrong because the value for their x will be positive.
ik to use the pythagoream theorem, but idk how to set it up and therefore solve the problem? could someone pls help :))
Answer:
52.2
Step-by-step explanation:
Light reflects off a mirror at the same angle it hits it at (as shown in the image). Since both triangles are right triangles, we can say they are similar by AA similarity.
Since they're similar, we can write a proportion.
HT / TV = JS / SV
Plugging in values:
5.8 / 4 = JS / 36
JS = 52.2
The wall is 52.2 feet tall.
Need help doing this question, thanks
Answer:
The first one.
Step-by-step explanation:
We can say lines L and K are parallel, because they have the same slope and different y intercepts.
This would mean they will always be moving in the same direction, hence causing them to never touch.
The golden state bridge is 8980 feet long .For a science project , garbriel built a scale model of the bridge . How long is the model if he used the scale.1 millimeters equals 20 feet/
Answer:
449 millimeters.
Step-by-step explanation:
Each millimeter corresponds to 20 feet.
Therefore the length of the model = 8980 / 20 = 449 millimeters.
Answer:
HI! I'VE DONE THIS B4, IT IS 449 MILLIMETERS. DOES ANYONE KNOW HOW TO TURN THE CAPS BUTTON OFF? ANYWAYS, PLZ MARK BRAINLIEST
Step-by-step explanation:
Why is the answer C?
Step-by-step explanation:
∫₋₂² (f(x) + 6) dx
Split the integral:
∫₋₂² f(x) dx + ∫₋₂² 6 dx
Graphically, if f(-x) = -f(x), then ∫₋₂² f(x) dx = 0. But we can also show this algebraically.
Split the first integral:
∫₋₂⁰ f(x) dx + ∫₀² f(x) dx + ∫₋₂² 6 dx
Using substitution, write the first integral in terms of -x.
∫₂⁰ f(-x) d(-x) + ∫₀² f(x) dx + ∫₋₂² 6 dx
-∫₂⁰ f(-x) dx + ∫₀² f(x) dx + ∫₋₂² 6 dx
Flip the limits and multiply by -1.
∫₀² f(-x) dx + ∫₀² f(x) dx + ∫₋₂² 6 dx
Rewrite f(-x) as -f(x).
∫₀² -f(x) dx + ∫₀² f(x) dx + ∫₋₂² 6 dx
-∫₀² f(x) dx + ∫₀² f(x) dx + ∫₋₂² 6 dx
The integrals cancel out:
∫₋₂² 6 dx
Evaluating:
6x |₋₂²
6 (2 − (-2))
24
Lisa picked some berries. She used 2/8 of the berries to make a pie she gave 5/7 of the berries to her friend. What fraction of the berries did she give her friend?
Answer:
15/28
Step-by-step explanation:
Let the number of berries Lisa picked be y
Number of berries she used to make pie = 2y/8 = y/4
Number of berries left = y - y/4 = 3y/4
Number of berries she gave her friend = 5/7 × 3y/4 = 15y/28
Fraction of the berries she gave her friend = 15/28
The area of the base of the prism is 360 square centimetres and the height of the prism 19 centimeters what is the volume in cubic centimeters of the rectangular
Answer:
6,840cm³
Step-by-step explanation:
V = 360 * 19
V = 6,840cm³
Two pools are being drained. To start, the first pool had 3700 liters of water and the second pool had 4228 liters of water. Water is being drained from the first pool at a rate of 31 liters per minute. Water is being drained from the second pool at a rate of 42 liters per minute.
This is a comparison problem involving rates. We multiply the rate of draining by the time and subtract the result from the initial amount, which gives us the amount of water after that time.
Explanation:This problem is considerate a comparison problem that involves rates of draining water from two pools. In these cases, it's crucial to keep the rates and the initial amounts separate to correctly solve the problem.
The first pool is initialy with 3700 liters of water and the draining rate is 31 liters per minute. The second pool from the start has 4228 liters and is being drained at a rate of 42 liters per minute.
To know the amount of water in each pool after any given time in minutes, we would multiply the rate by that time, and subtract the result from the initial amount of water.
For example, if we wanted to find out how much water was left after 10 minutes, we would do the following calculations:
For the first pool: 3700 - (31 * 10) = 3400 liters remained.For the second pool: 4228 - (42 * 10) = 3828 liters remained.Therefore, after 10 minutes, the first pool had 3700 liters and the second one had 3828 liters of water.
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Leah gets to paint her room since she bought a new bedspread set. Two gallons of paint covers 800 square feet. How many gallons of paint will Leah need to paint her entire room, which is 1,200 square feet?
Answer:
3 gallons
Step-by-step explanation:
If two gallons of paint covers 800 square feet, 'x' gallons of paints will cover 1200square feet room where x is the number of gallons needed to paint the 1200 square feet room.
Mathematically,
2 gallons = 800sq.ft
x gallons = 1,200sq.ft
x × 800 = 2 × 1200
x = 2 × 1200/800
x = 3 gallons
Therefore Leah will need 3gallons of paint for 1200sq.ft room
For which problem do you need to regroup 1 ten as 10 ones? Fill in the bubble next to the correct answer. Subtract 16 from 38, subtract 27 from 85, subtract 51 from 72
Answer:
subtract 27 from 85
Step-by-step explanation:
85
-27
———
58
7 cannot be subtracted from 5 so borrow a 10 to make it 7 subtracted from 15 and then the 8 tens becomes 7 tens so 7-2=5
58+27=85 to check your work
We need to regroup 1 ten as 10 ones by the problem; subtract 27 from 85
What is a numerical expression?A numerical expression is an algebraic information stated in the form of numbers and variables that are unknown. Information can is used to generate numerical expressions.
Given that regroup 1 ten as 10 one
85 -27 = 58
Since 7 cannot be subtracted from 5 so borrow a 10 to make it 7 subtracbecomem 15 and then the 8 tens becomes 7 tens thus, 7-2=5
Therefore,
58 + 27 = 85
We need to regroup 1 ten as 10 ones by the problem; subtract 27 from 85
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To prepare for a marathon, Henry gets a new pair of running shoes. If Henry runs 20 miles each day in week 1 and adds 12mi to his daily routine each week, what is the total mileage on Henry's shoes after 5 weeks?
Henry will have run a total of 1540 miles on his new running shoes after 5 weeks.
Explanation:To find the total mileage on Henry's shoes after 5 weeks, we need to calculate the distance he runs each week and add them up.
In week 1, Henry runs 20 miles per day, so the total distance he runs in week 1 is 20 miles * 7 days = 140 miles.
In week 2, he adds 12 miles to his daily routine, so he runs 20 miles + 12 miles = 32 miles per day. The total distance he runs in week 2 is 32 miles * 7 days = 224 miles.
We can continue this pattern for the remaining weeks:
Week 3: 44 miles per day, total distance = 44 miles * 7 days = 308 miles
Week 4: 56 miles per day, total distance = 56 miles * 7 days = 392 miles
Week 5: 68 miles per day, total distance = 68 miles * 7 days = 476 miles
The total mileage on Henry's shoes after 5 weeks is the sum of the total distances in each week: 140 + 224 + 308 + 392 + 476 = 1540 miles.