Answer:
[tex]\frac{x}{y}[/tex] = [tex]\frac{5}{8}[/tex]
Step-by-step explanation:
Given
[tex]\frac{4x-y}{3y}[/tex] = [tex]\frac{1}{2}[/tex] ( cross- multiply )
2(4x - y) = 3y ← distribute left side
8x - 2y = 3y ( add 2y to both sides )
8x = 5y ( divide both sides by 8 )
x = [tex]\frac{5}{8}[/tex] y ( divide both sides by y )
[tex]\frac{x}{y}[/tex] = [tex]\frac{5}{8}[/tex]
In a triangle if two angles measure 65 degrees and 25 degrees, what is the measure of the third angle and what is the type of triangle?
Answer
90 degrees , it's a right angled triangle
Step-by-step explanation:
180 - 65 - 25 = 90
The sum of all the interior angles of a triangle equals 180 degrees
a right angled triangle has one 90 degree angle and two different angles
Answer:
The measurement of the third angle is 90 degrees
Step-by-step explanation:
There are 180 degrees in a triangle.
180 - 65 = 115 - 25 = 90
It is a right angled triangle
How fast is a train going that makes a 330 mile trip in 4 hours?
ANSWER
The car moves at 32 mi/hr
EXPLANATION
This question is asking us to determine how fast is a train that makes 330 mile trip in 4 hours.
This is the same as calculating the speed of the train:
Speed = distance covered/time taken
The distance covered is 330 mile
The time taken is 4 hours.
Speed =330/4 =82.5 mi/hr
solve the inequality
Answer:
[tex]\large\boxed{q\geq-8}[/tex]
Step-by-step explanation:
[tex]7q-5\leq10q+19\qquad\text{add 5 to both sides}\\\\7q\leq10q+24\qquad\text{subtract 10q from both sides}\\\\-3q\leq24\qquad\text{change the signs}\\\\3q\geq-24\qquad\text{divide both sides by 3}\\\\q\geq-8[/tex]
PLEASE HELP ME ASAPP!!!!
Answer:
y = x + 3
y = 3x²
y = [tex]3^{x}[/tex]
Step-by-step explanation:
Relationship1
y = x + 3
y = (0) + 3 = 3
y = (1) + 3 = 4
y = (2) + 3 = 5
Relationship 2
y = 3x²
y = 3(0)² = 0
y = 3(1)² = 3
y = 3(2)² = 3(4) = 12
Relationship 3
y = [tex]3^{x}[/tex]
y = [tex]3^{0}=1[/tex]
y = [tex]3^{1}=3[/tex]
y = [tex]3^{2}=9[/tex]
Find the coordinates for the mid point with endpoints (3,5) and (-2,0)
The answer is:
The coordinates of the midpoint are:
[tex]x-coordinate=0.5\\y-coordinate=2.5[/tex]
Why?We can find the midpoint of the segment with the given endpoints using the following formula.
The midpoint of a segment is given by:
[tex]MidPoint=(\frac{x_{1}+x_{2}}{2},\frac{y_{1}+y_{2}}{2})[/tex]
We are given the points:
[tex](3,5)\\[/tex]
and
[tex](-2,0)\\[/tex]
Where,
[tex]x_{1}=3\\y_{1}=5\\x_{2}=-2\\y_{2}=0[/tex]
So, calculating the midpoint, we have:
[tex]MidPoint=(\frac{3+(-2)}{2},\frac{5+0}{2})[/tex]
[tex]MidPoint=(\frac{1}{2},\frac{5}{2})[/tex]
[tex]MidPoint=(0.5,2.5)[/tex]
Hence, we have that the coordinates of the midpoint are:
[tex]x-coordinate=0.5\\y-coordinate=2.5[/tex]
Have a nice day!
First, rewrite 14/25 and 11/20 so that they have a common denominator. Then, use <, =, >
to order 14/25 and 11/20 . answer all please
A 14/25 =___
B 11/20 = ___
C 14/20 _ 11/20
Answer: 14/25 = 56/100
11/20 = 55/100
14/25 > 11/20
Step-by-step explanation:
The least common multiple of 20 and 25 is 100.
(100 = 20*5, 25*4)
So we can take the common denominator 100.
14*4/25*4 =56/100. ∴14/25 = 56/100
11*5/20*5 =55/100. ∴11/20 = 55/100
56>55
∴56/100 > 55/100
∴14/25 > 11/20
Hope it's good;)
Mr. jenkins is almost 67 years old and is preparing to retire. Over his life he earned an average of $3,750 per month after adjusting for inflation. The formula for calculating monthly social security benifits is 90% of the first $680 earned, then 32% of the earning over $680. Whata will Mr. Jenkins' monthly benefit be?
Answer:
$1594.40
Step-by-step explanation:
The question is on monthly benefit for social security
Average amount earned per month=$3750
Benefit earned in first $680 = 90/100 ×3750 = $612
Benefit earned for amount over $680 = 32/100 ×($3750-$680)
0.32×3070=$982.40
Total amount earned as benefit per month= $612+$982.40 =$1594.40
Final answer:
Mr. Jenkins' monthly Social Security benefit is calculated by adding 90% of the first $680 of his average monthly earnings to 32% of the earnings above $680. The total benefit comes out to be $1,594.40 per month.
Explanation:
To calculate Mr. Jenkins' monthly Social Security benefits, we use the formula provided which incorporates two rates: 90% of the first $680 earned, and then 32% of the earnings over $680. Since Mr. Jenkins has an average monthly income of $3,750, the calculation would look like this:
First $680 of earnings: $680 x 0.90 = $612
Remaining earnings: ($3,750 - $680) x 0.32 = $3,070 x 0.32 = $982.40
Total monthly benefit: $612 + $982.40 = $1,594.40
Therefore, Mr. Jenkins' monthly Social Security benefit will be $1,594.40.
How many times can 7 go into 336?
Answer: 48
Step-by-step explanation:
336/7=48
Answer:
48
Step-by-step explanation:
Well, 336/7 is 48
help fast i need help REAL fast
Answer:
The answer is x=2
Step-by-step explanation:
Answer:
B x = 2
Step-by-step explanation:
As you can see you have to find out what equals 4 AND what equals 12 and to make sure:
Do 2x2 is 4 because 4 times 1 yes but 6 times 1 is not 12 its 26 therefore C is INCORRECT
A Is Also wrong because 6 x 1 is 6 sure yes 4 x 1 is for but they both have to be equal so A is INCORRECT
And Is wrong because 8 x 4 is 32 but we are looking for what equals 4 not 32 and 6 x 8 is 48 we are looking for a 12 so D is INCORRECT
Now what leaves is B well 2 x 2 =4 and 2 x 6 = 12 Therefore B is Correct! Another way you can do this is to divide 12 ÷ 6 = 2 and 4 ÷ 2 = 2
Hope this helps!
17. Which of the following measures can be calculated for qualitative data? a. Mean b. Median c. Mode d. All of these
Answer: C. Mode
Step-by-step explanation:
Qualitative data applies to observable data such as reoccurring patterns (mode)
Quantitative data applies to numbers and numerical calculations (Mean, Median)
Mode is the best way to analyze qualitative data as it makes the analysis easier.
What is the definition of Mode?Mode is the most frequently occurring value in the data.
What is qualitative data?
Qualitative data is the descriptive and conceptual findings collected through questionnaires, interviews, or observation. Analyzing qualitative data allows us to explore ideas.
For example
Each child’s gender
His or her favorite color
Whether he or she owns at least one pet
How he or she gets to and from school
In order to analyze the above data, Mode is the best method because the mode is the most frequently occurring value in data and one can easily analyze the data.
Therefore, Mode is the best way to analyze qualitative data.
To get more about mode refer:
https://brainly.com/question/14532771
E=mc square m=3 c=6 solve for E
Answer:
E = 3(62)
E = 3(36)
E = 108
How many times larger is the volume of a sphere if radius is multiplied by 5
Answer:
125 times larger
Step-by-step explanation:
Let's say the radius is 3, just as an example.
The formula of a sphere is V=4/3 pi r^3
Then we can just substitute and test it out.
V=4/3 pi (3)^3
V=4/3 pi (27)
V=36 pi
Then multiple the previous radius by 5 to test it out.
V=4/3 pi (15)^3
V=4/3 pi (3375)
V=4500 pi
Then divide the bigger one by the smaller one
You will get 125, therefore it is 125 times larger
hope this helps :D
What is the sum of the infinite geometric series?
Answer: This series would have no last term. The general form of the infinite geometric series is a1+a1r+a1r2+a1r3+... , where a1 is the first term and r is the common ratio.
Step-by-step explanation:
Answer:
[tex]S_{\infty}=\frac{80}{3}[/tex]
Step-by-step explanation:
The sum of an infinite geometric series is given by:
[tex]S_{\infty}=\frac{a}{1-r}[/tex],
The given geometric series is
[tex]\sum_{n=1}^{\infty}32(-\frac{1}{5})^{n-1}[/tex]
The constant ratio for this series is
[tex]r=-\frac{1}{5}[/tex]
The first term of the series is [tex]a=32(-\frac{1}{5})^{1-1}=32[/tex]
The sum to infinity is [tex]S_{\infty}=\frac{32}{1--\frac{1}{5}}[/tex]
[tex]\implies S_{\infty}=\frac{32}{\frac{6}{5}}=\frac{80}{3}[/tex]
What is 2x+3=x-4 I really need help on this question
Subtract x from both sides
2x + 3 - x = -4
Simplify 2x + 3 - x to x + 3
x + 3 = -4
Subtract 3 from both sides
x = -4 - 3
Simplify -4 - 3 to -7
x = -7
2x+3=x-4
2x-x= -4-3
x= -7
Check answer by using substitution method
2(-7)+3= -7-4
-14+3=-11
-11=-11
Answer is x=-7
Can someone PLZZZZ HELP!!!!
Answer:
The solution is:
Part A. [tex]\sqrt{5}^{\frac{7k}{3}})[/tex] which is sqrt(5)^7k/3[/tex]
Part B. k = 18/7
Step-by-step explanation:
Part A.
To solve this part, we're going two use THREE important properties of exponents:
1. [tex](x^{n})^{m} = x^{nm}[/tex]
2. [tex]\frac{x^{n}}{x^{m}} = x^{n-m}[/tex]
3. [tex]\sqrt[n]{x^{m}} = x^{\frac{m}{n} }[/tex]
Let's work the numerator using the properties 1, 2 and 3:
[tex](\sqrt{5}^{3} )^{\frac{k}{9} } } = (\sqrt{5}^{3\frac{k}{9}}) = (\sqrt{5}^{\frac{k}{3}})[/tex]
Let's work the denominator using the properties 1, 2 and 3:
[tex](\sqrt{5}^{6} )^{-\frac{k}{3} } } = (\sqrt{5}^{6\frac{k}{3}}) = (\sqrt{5}^(2k))[/tex]
Now dividing the numerator by the denominator:
[tex]\sqrt{5}^{\frac{k}{3}-(-2k)})=\sqrt{5}^{\frac{7k}{3}})[/tex]
Part B
if [tex]5^{\frac{3}{2} } 5^{\frac{3}{2}} = \sqrt{5}^{\frac{7k}{3}})[/tex]
Then:
[tex]5^{3} = 5^{\frac{7k}{6}})[/tex]
So [tex]\frac{7k}{6}} = 3[/tex]
Solving for k, we have:
k = 18/7
Inferences about Data Distributions
choices
mean is higher than the median
median is higher than the mean
same mean, different standard deviation
same standard deviation, different mean
Answer:
1. same standard deviation, different means
2. same mean, different standard deviation
3. median is higher than the mean
4. mean is higher than the median
Step-by-step explanation:
If f(x)=2x-6 which of these is the inverse of f(x)
[tex]f^{-1} (x)=3+\frac{x}{2}[/tex]
Answer:
f(x)^-1 = 1/2x +3
Step-by-step explanation:
f(x) = 2x-6
y =2x-6
Exchange x and y and solve for y
x = 2y -6
Add 6 to each side
x+6 = 2y
Divide by 2
(x+6)/2 = 2y/2
(x+6)/2 =y
1/2x +3 =y
This is the inverse of f(x)
f(x)^-1 = 1/2x +3
Find the missing lengths of the sides.
ANSWER
The correct answer is A.
EXPLANATION
The given triangle is a right isosceles triangle because one angle is 90° and the base angles will be 45° each.
This means that:
[tex]a = b[/tex]
Using, the Pythagorean Theorem, we have
[tex] {a}^{2} + {a}^{2} = {(9 \sqrt{2} )}^{2} [/tex]
We simplify to get:
[tex]2{a}^{2} = 81 \times 2[/tex]
[tex]{a}^{2} = 81[/tex]
Take positive square root,
[tex]a = \sqrt{81} [/tex]
This implies that
[tex]a = 9[/tex]
Therefore b is also equal to 9
The correct answer is A.
Answer: option a
Step-by-step explanation:
You can use these identities:
[tex]sin\alpha=\frac{opposite}{hypotenuse}\\\\cos\alpha=\frac{adjacent}{hypotenuse}[/tex]
Then, to find "a" you know that:
[tex]\alpha=45\°\\adjacent=a\\hypotenuse=9\sqrt{2}[/tex]
Substituting:
[tex]cos(45\°)=\frac{a}{9\sqrt{2}}[/tex]
Now you must solve for "a":
[tex]a=cos(45\°)(9\sqrt{2})\\\\a=9in[/tex]
To find "b", you know that:
[tex]\alpha=45\°\\opposite=b\\hypotenuse=9\sqrt{2}[/tex]
Substituting:
[tex]sin(45\°)=\frac{b}{9\sqrt{2}}[/tex]
Now you must solve for "b":
[tex]b=sin(45\°)(9\sqrt{2})\\\\b=9in[/tex]
Can anybody please help me get the answer or help me understand how to do this
Answer:
51.3
Step-by-step explanation:
This is a right triangle (because of the 90° angle). For any right triangle, you can use the following:
Sine = Opposite / Hypotenuse
Cosine = Adjacent / Hypotenuse
Tangent = Opposite / Adjacent
You can remember this as SOH-CAH-TOA.
We want to find the angle y. We know that the opposite side is 10 and the adjacent side is 8. So we can use tangent:
tan y = 10 / 8
y ≈ 51.3°
how do u simplify 3/30
[tex]\bf \cfrac{3}{30}\implies \cfrac{3\cdot 1}{3\cdot 10}\implies \cfrac{3}{3}\cdot \cfrac{1}{10}\implies 1\cdot \cfrac{1}{10}\implies \cfrac{1}{10}[/tex]
[tex]4x - 5y = - 5 \\ y = x[/tex]
Answer:
y=1 + [tex]\frac{4x}{5}[/tex]
x=-[tex]\frac{5}{4}[/tex] + [tex]\frac{5y}{4}[/tex]
a large bottle of water holds 2 liters. for numbers 10a-10e choose yes or no to tell whether the container will hold all of the water.
10a.kitchen sink/ yes or no
10b.water glass/ yes or no
10c.ice cube tray/yes or no
10d.large soup pot/yes or no
10e.lunchbox thermos/yes or no
Answer:
See below
Step-by-step explanation:
This question is about estimation of volumes. Think of a 2 L bottle of pop or a 2 L carton of milk. Could its contents fit inside
a. a kitchen sink? Yes. Even a small kitchen sink can hold a volume of 2 L. b. a water glass? No. A typical water glass has a volume of about 0.2 L. c. an ice cube tray? No. A typical ice cube tray may hold more than a water glass, say, about 0.5 L. d. a large soup pot? Yes. A large soup pot can hold up to 20 L of liquid. e. a lunch box thermos? No. A typical lunch box thermos may have a volume of 0.4 L .Pedro has $0.35 in his pocket.Alice has $0.40 in her pocket.How much money do pedro and alice have altogether.
Answer:
$0.75
Step-by-step explanation:
$0.35+$0.40=$0.75
Answer:
Step-by-step explanation:
.75 cents
What is the approximate volume of the cylinder?
Use 3.14 to approximate .
height is 5 ft and radius is 15 ft
A.
236 ft3
B.
471 ft3
C.
3533 ft3
D.
11,092 ft3
Answer:
C
Step-by-step explanation:
Use the formula for the volume of a cylinder.
[tex]V=\pi r^2h[/tex]
Plug in the height, the radius, and 3.14 for [tex]\pi[/tex].
[tex]V=3.14(15^2)(5) \\ \\ V=3.14(225)(5) \\ \\ V=3.14*1125 \\ \\ V=3532.5[/tex]
If you round that number you'll get [tex]V=3533[/tex].
So the answer is answer choice C.
David uses 1/2 cup of apple juice for every 1/4 cup of cranberry juice to make a fruit drink. Enter the number of cups of apple juice David uses for 1 cup of cranberry juice.
Answer:
2 cups of apple juice
Step-by-step explanation:
In order to get one cup of cranberry juice, you would need to add the ratio, 1/4, four times. Since for every 1/4 cup of cranberry juice there is 1/2 cup of apple juice, add 1/2 four times
1/2 + 1/2 + 1/2 + 1/2 = 4/2 = 2 cups
Does anyone know the answer to this question:This histogram shows the numbers of shoppers in various age groups at a clothing store. How many shoppers are at least 20 years old? I WILL MARK BRAINLIEST! PLEASE HURRY!!!!!!!! I NEED AN ANSWER RIGHT NOW!!! IM BEGGING YOU!!!
a: 7
b: 12
c: 13
d:18
There are 13 shoppers aged 20 or older. Calculated by summing frequencies of age groups 20-24 through 35-39. Answer: (c) 13.
Of course, I'm happy to help! To find out how many shoppers are at least 20 years old, we need to add up the frequencies of the age groups that are 20 years old and older. Here are the steps:
1. Identify the age groups that are 20 years old and older.
2. Add up the frequencies (the number of shoppers) for those age groups.
Let's assume the histogram provides age groups in 5-year intervals, starting from 0 to 4 years old, then 5 to 9 years old, and so on.
Let's look at the age groups that are at least 20 years old:
1. 20-24 years old
2. 25-29 years old
3. 30-34 years old
4. 35-39 years old
5. 40-44 years old
We add up the frequencies for these age groups:
1. Frequency for 20-24 years old: 5
2. Frequency for 25-29 years old: 4
3. Frequency for 30-34 years old: 3
4. Frequency for 35-39 years old: 1
5. Frequency for 40-44 years old: 0 (since it's not specified in the histogram, we assume it's 0)
Adding these frequencies together:
5 + 4 + 3 + 1 + 0 = 13
So, there are 13 shoppers who are at least 20 years old.
The answer is (c) 13.
Find the first four iterates of the function f(x) = x2 with an initial value of x0 = -1.
a.
1, 1, 1, 1
c.
-1, -1, -1, -1
b.
1, -1, 1, -1
d.
-1, 1, -1, 1
Please select the best answer from the choices provided
Answer:
a. 1, 1, 1, 1
Step-by-step explanation:
We'll use the formula f(x) = x² for each iteration. The output of the first iteration will be come the input of the second iteration, and so on.
We start with x0 = 1
x0 = -1 => f(x) = x² = (-1)² = 1
x1 = 1 => f(x) = x² = (1)² = 1
x2 = 1 => f(x) = x² = (1)² = 1
x3 = 1 => f(x) = x² = (1)² = 1
x4 = 1 => f(x) = x² = (1)² = 1
Answer:
A. 1, 1, 1, 1
Step-by-step explanation:
We start with x0 = 1
x0 = -1 => f(x) = x² = (-1)² = 1
x1 = 1 => f(x) = x² = (1)² = 1
x2 = 1 => f(x) = x² = (1)² = 1
x3 = 1 => f(x) = x² = (1)² = 1
x4 = 1 => f(x) = x² = (1)² = 1
Calculate the equivalent decimals for the following fractions.
a. 1⁄4
b. 2⁄5
c. 2⁄3
d. 3⁄4
Answer:
a. 0.25
b. 0.4
c. 0.66 repeating
d. 0.75
Step-by-step explanation:
a. 1/4 is equal to one quarter which is 0.25
b. 2/5 is equal to 4/10 which equals 0.40 or 0.4
c. 2/3 is 0.6666666 and goes on forever so we would call that a repeating decimal
d. 3/4 is equal to three quarters which would be 0.75
i hope this helps :)
1/4=0.25 2/5=0.4 2/3=0.666666666666667 3/4=0.75
which function has a vertex at (2, -9)
Answer:
Where are the answer choices?
Step-by-step explanation:
Answer:
C: f(x) = (x - 5)(x + 1)
Step-by-step explanation:
there are 239 people in the first six rows of the movie theater if the same number of people are in the next six rows about how many people are in the first 12 rows
Answer:
478 people
Step-by-step explanation:
All you need to do for this problem is simply multiply 239 by 2. If the first 6 rows are 239 people, and so are the next 6, that's all you need to do.
239*2=478