Answer:
164 and 16
Step-by-step explanation:
Which expression is equal to 45+27?
Answer:
B
Step-by-step explanation:
45+27=72
A- 15 times 9 equals 135
B- 8 times 9= 72
C 45 times 18 equals 810,
D- 14 times 12 equals 68
You cut square corners from a piece of cardboard that has dimensions 32 cm by 40 cm. You then fold the cardboard to create a box with no lid. To the nearest centimeter, what are the dimensions of the box that will have the greatest volume?
Answer:
h = 6 cm
l = (32-2(6)) = 20 cm
w = (40-2(6)) = 28 cm
Step-by-step explanation:
Given in the question a piece of cardboard having dimensions 32 by 40
Suppose we cut square of length x
When you cut square corners from a piece of cardboard, two sides are 32-2x, and other two sides are 40-2x lengths
Step 1Formula for the volume of box
v = height * length * width
v = x (32-2x) (40-2x)
v = 4x³ - 144x² + 1280x
Step 2Find derivative and equal it to 0
dv/dx = 4(3)x² - (2)144x + 1280
0 = 12x² - 288x + 1280
x1 = 18.110
x2 =5.88
Step 3Select x and plug value of x to find dimension
(32-2x) > 0
2x < 32
x < 16
so domain say that x should be less than 16 which means x = 5.88 ≈ 6 cm
h = 6 cm
l = (32-2(6)) = 20 cm
w = (40-2(6)) = 28 cm
what does congruent mean
Answer:
two figures or objects are congruent if they have the same shape and size, or if one has the same shape and size as the mirror image of the other.
Answer:
If two figures have the same size and shape, then they are congruent. The term congruent is often used to describe figures like this. In this tutorial, take a look at the term congruent!
Step-by-step explanation:
Jaclyn estimates the square root of 50 in the following way:
√200 = 2√100 = 2 (10) = 20
(a) Explain why her reasoning is incorrect.
(b) Estimate the square root of 200 to the nearest tenth without using your calculator. Show your work.
The answer is:
a) Her reasoning is incorrect, she applied a wrong operation, the way to simplify the expression was using the square root property. If we want to extract a number of a square root, we must square that number first in order not to modify the expression.
b) We have that:
[tex]\sqrt{200}=14.14[/tex]
and rounding to the nearest tenth, we have that:
[tex]\sqrt{200}=14.1[/tex]
Why?To solve the problem, we need to remember the following property of square roots:
[tex]\sqrt{ab}=\sqrt{a}*\sqrt{b}[/tex]
We are given the expression:
[tex]\sqrt{200}[/tex]
We can rewrite it by the following way:
[tex]\sqrt{100*2}[/tex]
Now, applying the square root property we have:
[tex]\sqrt{100*2}=\sqrt{100}*\sqrt{2}=10\sqrt{2}=14.14[/tex]
Therefore,
a) Her reasoning was wrong, she applied a wrong operation, the way to simplify the expression was using the square root property. If we want to extract a number of a square root, we must square that number first in order not to modify the expression.
b) We have that:
[tex]\sqrt{200}=14.14[/tex]
and rounding to the nearest tenth, we have that:
[tex]\sqrt{200}=14.1[/tex]
Have a nice day!
Help solve 88 please
Answer:
The equation of the line is y = -2x + 7
Step-by-step explanation:
* Lets study how to make an equation of the line from two point
- If the line passes through points (x1 , y1) and (x2 , y2)
- The form of the equation is y = mx + c, where m is the slope of the
line and c is the y-intercept
- The rule of the slope is m = (y2 - y1)/(x2 - x1)
- The y-intercept means the line intersect the y-axis at point (0 ,c)
* Now lets solve the problem
∵ The line passes through points (-3 , 13) and (4 , -1)
- Let (-3 , 13) is (x1 , y1) and (4 , -1) is (x2 , y2)
∵ m = (y2 - y1)/(x2 - x1)
∴ m = (-1 - 13)/(4 - -3)
∴ m = (-14)/7 = -2
- Lets write the form of the equation
∵ y = mx + c ⇒ substitute the value of m
∴ y = -2x + c
- To find the value of c use one of the two points to substitute the
values of x and y in the equation
∵ The line passes through (4 , -1)
∴ -1 = -2(4) + c
∴ -1 = -8 + c ⇒ add 8 to both sides
∴ -1 + 8 = -8 + 8 + c
∴ 7 = c
∴ y = -2x + 7
* The equation of the line is y = -2x + 7
i need help fast !!
If Luke pushes his sister in a wagon down the driveway that is 14 meters long and it takes 22 Newtons of force, how much work did he do?
Luke does a work of 308Nm
Step-by-step explanation:
If we have a constant force [tex]\vec{F}[/tex] that acts on a body in the same direction as the displacement [tex]\vec{s}[/tex], then the work [tex]W[/tex] is defined as the product of the force magnitude [tex]F[/tex] and the displacement magnitude [tex]s[/tex]. In other words:
[tex]W=Fs[/tex], which is valid for a constant force in direction of straight-line displacement.
In this problem:
[tex]F=22N \\ \\ s=14m[/tex]
Therefore:
[tex]W=22\times 14 \\ \\ \boxed{W=308Nm}[/tex]
Can someone please help?
Answer:
A coordinate pair that works as a solution is (1,3)
Answer:
A coordinate pair that works as a solution is (1,3)
Step-by-step explanation:
Copy the measurements given onto the next of each solid.
Answer:
Every line on the net has a measurement of 16.
Step-by-step explanation:
Every edge dimension of the cube has a measurement of 16, so the corresponding edges of the net (all edges) will have a measurement of 16. Put the number 16 next to each line on the net.
v=pie r squared height over 3. solve for height
Answer:
there wouldbe 9 of height i think
Step-by-step explanation:
[tex]v=\frac{\pi r^2h}{3} \\\text{solving for h}\\3v=\pi r^2h\\\\\boxed{\frac{3v}{\pi r^2}} = h[/tex]
If 12 cans of dog food cost $9.50, how much would 6 cans cost?
Answer:
I would cost $4.75
Step-by-step explanation:
9.50 / 2
4.75
Hope it´s helpfull :)
Answer:
6 cans cost $4.75
Step-by-step explanation:
To solve this divide $9.50 by 12. This will give you $0.7916... per one can.With that same number multiply it by 6 and you get $4.75.
Which causal relationship is justifiable?
a.)
Children with bigger feet spell better. Spelling better causes a child's feet
to grow
b.)
Surf board sales rise when lemonade sales rise. Drinking lemonade causes
more people to buy surting boards.
c.)
The traffic is heavier around the stadium when a game is being played.
Games being played cause more traffic.
d.)
An elementary school child has more cavities than his baby brother. He
also has a larger vocabulary. An increased vocabulary causes cavities.
Answer:
Step-by-step explanation:
Only (c) makes sense. The game draws people, which in turn means more cars and heavier traffic in the surrounding area.
Answer:
C) The traffic is heavier around the stadium when a game is being played. Games being played cause more traffic.
Step-by-step explanation:
Which is the best description for the lines i and k?
A) parallel
B) perpendicular
C) intersecting and parallel
D) intersecting but not perpendicular
Choice D, perpendicular is when the slopes are inverted to each other such as 1/2 and -2/1
Answer:
D
Step-by-step explanation:
I need help please.
Answer:
9.8
Step-by-step explanation:
[tex]51.94 /5.3=9.8[/tex]
Answer: 9.8
How I Found The Answer: All You Had To Do Was Divide 51.94 by 5.3. Which Equals 9.8
Consider the graph of the linear equation 2x-5y=10. What is the x intercept?What is the y intercept?What is the slope?
Answer:
y int (0, -2) x int (5, 0) slope 2/5
Step-by-step explanation:
2(0)-5y=10
-5y=10
y=-2
2x-5(0)=10
2x=10
x=5
2x-5y=10
-5y=-2x+10
y=2/5 x -2
Please help and thank you
Answer:
A.
Step-by-step explanation:
To make a decimal into a percent you just move the decimal 2 times to the right.
0.24 = 24%
The percentage of females polled supported Wilson is about 44%
What is percentage?In percentage, a whole collection is divided in 100 parts.It is useful mathematical tool in many arithmetic problems.
Given:
Total frequency of females polls = 0.54
Frequency of polls got by Wilson = 0.24
We have to find the percentage of female polls supported Wilson.
[Percentage Polls) × (Total frequency of females polls)] / 100 = Frequency of polls got by Wilson
⇒ Percentage polls = (0.24 × 100) / 0.54
⇒ Percentage polls = 44.44%
Therefore, the percentage of females polled supported Wilson is about 44%.
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Working together, Joy and Steve collected 39 pounds of aluminum cans for recycling. If Joy collected j pounds, which of the following shows the number of pounds collected by Steve?
Answer:
The number of pounds collected by Steve is [tex]39-j[/tex]
Step-by-step explanation:
Let
j----> the number of pounds collected by Joy
s ---> the number of pounds collected by Steve
we know that
[tex]j+s=39[/tex]
Solve for s
That means-----> Isolate the variable s
Subtract j both sides
[tex]s=39-j[/tex]
Check all that apply
Answer:
the answer is A and C
Step-by-step explanation:
Which expression is NOT equivalent to (a + b)(x + y)? A) (a + x)(b + y) B) (b + a)( y + x) C) (a + b)x + (a + b)y D) a(x + y) + b(x + y)
Answer:
A)
Step-by-step explanation:
The expression (a + b)(x + y) is not equivalent to (a + x)(b + y). When the terms are distributed, (a + x)(b + y) yields a different result compared to the original expression.
Explanation:The expression (a + b)(x + y) is equivalent to a(x + y) + b(x + y) and (b + a)( y + x) because the order of addition in each element doesn't change the overall result. However, the expression (a + x)(b + y) is not equivalent to the original expression.
To understand why, let's distribute the terms in each equivalent expression:
(a + b)(x + y) = ax + ay + bx + by
(b + a)( y + x) = ay + ax + by + bx = ax + ay + bx + by
a(x + y) + b(x + y) = ax + ay + bx + by
As you can see, all these three expressions give the same result when distributed. But, if we now distribute the terms in (a + x)(b + y):
(a + x)(b + y) = ab + ay + bx + xy
It's clear that it does not yield the same result. Thus, option A) (a + x)(b + y) is not equivalent to the original expression (a + b)(x + y).
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Stuck on quadratic relations question
For this case we have that the distance between two points is:
[tex]d = \sqrt {(x_ {2} -x_ {1}) ^ 2+ (y_ {2} -y_ {1}) ^ 2}[/tex]
We have the following points:
[tex](x_ {1}, y_ {1}) :( 3 \sqrt {2}, 4 \sqrt {3})\\(x_ {2}, y_ {2}) :( 3 \sqrt {2}, - \sqrt {3})[/tex]
Substituting:
[tex]d = \sqrt {(3 \ sqrt {2} -3 \sqrt {2}) ^ 2 + (- \sqrt {3} -4 \sqrt {3}) ^ 2}\\d = \sqrt {(0) ^ 2 + (- 5 \sqrt {3}) ^ 2}\\d = \sqrt {0+ (25 * 3)}\\d = \sqrt {75}\\d = 5 \sqrt {3}\\d = 8.66[/tex]
Answer:
[tex]d = 8.66[/tex]
a rectangular parking lot has a length of 88 meters. the length of the parking is three times the width. find the length and width
Final answer:
The width of the parking lot is 11 meters and the length is 33 meters.
Explanation:
To find the width of the rectangular parking lot, let's assume that the width is 'x'. According to the given information, the length of the parking lot is three times the width, so the length is 3x.
The formula for the perimeter of a rectangle is P = 2(length + width). In this case, the length is 3x and the width is x. Plugging in these values, we get:
P = 2(3x + x) = 2(4x) = 8x
We know that the length of the parking lot is 88 meters, so we can set up an equation:
88 = 8x
To solve for x, divide both sides of the equation by 8: x = 11.
Therefore, the width of the parking lot is 11 meters and the length is 3 times the width, which is 33 meters.
HEEEEEEELLLLLLPPPPPPPP!!!!!!!!!!
Brian and Ted used the equation 17=d+12 to find d, the money Ted needed so that he had the same amount of money as Brian.
Which equation explains the process Brian and Ted could have used to find d?
A. 17 - 17 = d + 12 - 17
B. 17 + 17 = d + 12 + 17
C. 17 - 12 = d + 12 - 12
D. 17 + 12 = d + 12 + 12
Answer:
C. 17 - 12 = d + 12 - 12
Step-by-step explanation:
You need to get d by itself and in order to do that you need to subtract 12
I WILL MARK AS BRANLIEST!
Mia is working on projects that require 3 1/2 yards of ribbon per project. Mia has 28 yards of ribbon. What is the greatest number of projects that Mia can complete with this ribbon?
Answer:
8 projects
Step-by-step explanation:
28 : 3,5 = 8
Final answer:
Mia can complete 8 full projects with 28 yards of ribbon by dividing the total yards by the yards needed per project, after converting 3 1/2 yards to an improper fraction (7/2).
Explanation:
The subject of this question is Mathematics, and the question would typically fall under a middle school grade level. To solve the problem about the number of projects Mia can complete, we need to use division. Mia has a total of 28 yards of ribbon and needs 3 1/2 yards of ribbon for each project. By converting the mixed number to an improper fraction, we get 7/2 yards per project; then we can divide the total yards by the yards needed per project.
To calculate how many full projects Mia can complete:
Convert 3 1/2 to an improper fraction: 3 1/2 = 7/2.Divide 28 by 7/2: 28 × 2/7 = 8.Mia can complete 8 full projects with the ribbon she has.
is 1/2 gallon greater than 5/8 gallon?
No 5/8 is bigger because half of 8 is 4 and 5 is greater than 4
In comparing 1/2 gallon and 5/8 gallon, using equivalent fractions shows that 5/8 gallon is larger than 1/2 gallon.
Explanation:In the comparison of 1/2 gallon and 5/8 gallon, it's important to remember that fractions provide a way of representing parts of a whole. With fractions, the numerator represents the part while the denominator represents the total parts. So here, the fraction 5/8 represents 5 parts of a total 8 parts, where 1 gallon is considered the 'whole' or 'total' amount.
To determine if 1/2 is greater or less than 5/8, we want to make the denominators the same for comparison. Multiply the numerator and the denominator of the first fraction (1/2) by four to get it to the same denominator as the second one. This results in 4/8 for the first fraction.
Now, comparing 4/8 and 5/8, we find that 5/8 is greater than 4/8. Therefore, 5/8 gallon is indeed more than 1/2 gallon.
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draw a graph of y=1/x
Answer:
Step-by-step explanation:
Note that this function is not defined at x = 0; it does have a vertical asymptote which is the line x = 0, as well as a horiz. asymptote which is the line y = 0. This function is odd because the power of x is -1 (a negative odd number). Half the graph appears in Quadrant I: (1, 1), (2, 1/2), (3, 1/3), etc.
The other half is the reflection of the Quadrant I part in the origin, and this is because the function is odd.
For every x value (left or right), put it into the equation to find the y value (up or down).
For example, if the x value is 1, then the y value is 1/1 or 1.
heeeeeeeeeeeeeeeeeeeeeeelp asap ill give freaking 15 points and please give a good explanation.
Answer:
4x - 12
Step-by-step explanation:
Expand 8 - 4(-x + 5) as follows:
8 + 4x - 20
4x - 12 (First answer is the correct one)
8-4(-x+5)
Multiply the bracket by -4 first .
8+4x-20
--=positive
-+= negative
4x-12
8-20=-12 because 12 is bigger than 8
Answer:A
The best answer choice.
Answer:
The student spent 60 minutes studying and got a 90 on the test
Step-by-step explanation:
The x coordinate is 60, which means they spent 60 minutes studying
The y coordinate is 90 which means they got a score of 90 on the test
The student spent 60 minutes studying and got a 90 on the test
please help!! i'll give a lot of points!!! pls hurry!!!
I believe the equation would be x + 1 = 3y because as the x values increase by 1, the y values are multiplied by 3.
I hope this helps you!
Answer:
see explanation
Step-by-step explanation:
The form of the exponential function is
y = a [tex](b)^{x}[/tex]
To find a and b choose any 2 ordered pairs of points from the table
Using (0, 9) and substituting into the equation
9 = a[tex](b)^{0}[/tex] ⇒ a = 9
Using (1, 27) and substituting into the equation
27 = 9b ⇒ b = 3
Equation is y = 9[tex](3)^{x}[/tex]
A trial balance contains
a) all accounts contained in the general ledger with account balances.
b) only income statement accounts with account balances.
c) a list of all accounts without account balances.
d) only balance sheet accounts with account balances
Answer:
d only balance sheet accounts.
Step-by-step explanation:
Only permanent accounts are on the balance sheet which includes
assets, liabilities and equity acct.
A trial balance contains all accounts in the general ledger with their account balances, which are used to prepare financial statements such as the balance sheet and income statement.So,option a is correct.
A trial balance is an accounting report that lists all the accounts in the general ledger of an entity along with their respective account balances. It is prepared to check the arithmetical accuracy of the accounting records - to ensure that debits equal credits. Therefore, the correct answer to the question is:
a) All accounts contained in the general ledger with account balances.
The trial balance includes both income statement accounts, such as revenue and expenses, and balance sheet accounts, which include assets, liabilities, and equity accounts. It is commonly used as a step in the process of preparing the financial statements, which include the balance sheet, income statement, and statement of retained earnings. These components provide a more comprehensive view of an entity's financial health at a certain point in time or over a specified period.
25222+14945 rounded to the nearest ten
The answer for this problem is 40167.
To round this up to the nearest 10, if the ones is above 5, round it up.
To the nearest 10
40170
Answer:
40,170
Explanation:
25,222
+14,945
40,167
Then to round, we look at the ones column. Since there is a 7, which is greater than or equal to five, we round up to 70 from 67.
So our final answer is 40,170
Hope this was helpful, let me know of you need any further explanation!
Recipe calls for 2/3 a cup of sugar per batch. Elena used 5 1/3 cups of sugar to make multiple batches of cookies. How many batches did she make? Can you show me the steps to get the answer?
Thank you,
Answer:
8 Batches
Step-by-step explanation:
Simple. Since it takes 2/3 of a cup for one batch, we divide 5 1/3 by 2/3, wich equals 8.
She make total number of 8 batches.
Amount of sugar required per batch = [tex]\frac{2}{3} [/tex] cup
Since, Elena used [tex]5\frac{1}{3} [/tex] cups of sugar to make multiple batches of cookies.
To find number of batches she make, divide total amount of sugar by amount of sugar per batch.
Number of batches she make,
[tex]=5\frac{1}{3}\div\frac{2}{3}\\ \\ =\frac{16}{3}*\frac{3}{2}=8 [/tex]
Hence, She make total number of 8 batches.
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