Mathematics Middle School

Can someone please help me with this math problem?? Number 13

Answers

Answer 1

a. 1x1 = 1 in
b. 0.5 x 0.5 = 0.25 in
c. 0.25 + 0.25 + 0.25 = 0.75 in

Answer 2

1x1=1 in.²
1/2x1/2=1/4 in.²
1-1/4=3/4 in²

Related Questions

The base of a triangle is 3cm greater than the height. The area is 14cm. Find the height and base of the triangle.

Answers

the base....b
the height....h
b*h/2=14
b=h+3
h*(h+3)=28
h*(h+3)=4*7
h=4 cm , b=7 cm

Hello There!

base x height/2 = 14
base x height = 28
Base - height = 3
Base = 7
Height = 4.

Hope This Helps You!
Good Luck :)

- Hannah ❤

4 groups of 6= 3 groups of___?

Answers

Hello!

4 • 6 = 24

24/3 = 8

So, 4 groups of 6 = 3 groups of 8.

I really hope this helped you out! :)

Javeon has 27 chocolate bars. he wants to share them with 5 friends. Write the problem as a fraction and then solve.

Answers

27 divided by 5 = 27 1/5

What is the value of the function y = 2x + 3 ⁢when x=−1 ?

A. 5

B. 2

C. 1

D. −5

Answers

It would be C. Hope this helps

Sam earned $450 during winter vacation. He needs to save $180 for a camping trip over spring break. He can spend the remainder of the money on music. Write an inequality to show how much he can spend on music.

Answers

180 greater than or equal to 450 - m

Lafayette county has a population of 7,022 people .Columbia county population is 8 times as great as Lafayette County's population.WHAT IS THE POPULATION OF COLUMBIA COUNTY

Answers

7,022 times 8 is 56,176.

The term "8 times as great" basically translates into "multiply by 8".
So, you would get this equation:

7,022(8) = population
Your answer is: 56,176 people.

explain how it to use linear factors to determine the equation of a polynomial function

Answers

Since linear factors can be written as (x-a)*(x-b) with a and b as the solutions, we can do it in two ways. First, we can use the quadratic equation. In an equation ax²+bx+c=0, the solutions are
[tex]x= \frac{-b+- \sqrt{ b^{2}-4*a*c} }{2*a} [/tex] with the +- meaning that you can have one solution (a) by adding and (b) by subtracting.

Next, in ax²+bx+c=0, we want to add b up to have dx+zx=bx as well as (d*z)=(c*a). For example, in 6x²+2x-4, we have 6*-4=-24. We have to find 2 numbers that add up to 2 but multiply to 24 - -4 and 6 work. Therefore, we have 6x²+6x-4x-4. Factoring it out, we have 6x(x+1)-4(x+1). Since x+1 is the same in both, we have the equation being (6x-4)(x+1) as the factorization

which expression is equivalent to 2^2×2/2^4

Answers

First step is to simplify the equation so that it makes our life easier! Since 2^2 is equivalent to 4, we can plug that into the equation. Then we can also simplify 2^4 to 16. Now it should look like this:

(4)(2)/16

Now we can solve. 4(2) = 8 so now we have 8/16. 8/16 simplifies to 1/8 when you divide the numerator and the denominator by 8. So there you go! Your final answer is 1/8! I really hope that helped you out, and happy holidays!

7/10 × 4/7 × 30/20 × 20/14=
I'm unsure how to multiply more than two fractions at a time

Answers

You answer is 6/7 do you need to know how or just the answer

6/7 hope this helps ;)

Theresa walked around the track 22 times. How far did she walk? Write as an improper fraction or mixed number.

Answers

Given that the track is 1/6 of a mile and she walks it 22 times
so 1/6 times 22 is 3.666666666666
that is (11/3)
or
(3 and 2/3)
Hope this helps :)

What is the product of 8.2 × 10/\9 and 4.5 × 10/\-5 in scientific notation?
36.9 × 10/\-45
12.7 × 10/\4
3.69 × 10/\5
3.69 × 10/\14

Answers

3.69 x 10^5, because the original answer is 369000, but scientific notation requires that you have your answer between 1-10. Just move 5 places to the left, which means your power of 10 will be positive.

To make things easier for you, the correct answer is C: 3.69 × 10^5

Prime factorization of 84

Answers

Check my attached photo for the answer

Hello There!

Find factors of 84:
Factors of 84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84.
Out of those, find the prime factors:
Prime factorization: 84 = 2 x 2 x 3 x 7
Simplify:
It can also be written 2² x 3 x 7.

Hope This Helps You!
Good Luck :)

- Hannah ❤

Simplify
| -3.9 | + | 3.9 |
A. -7.8
B. 0
C. 7.8
D. 8

Answers

It would be C) 7.8

When a negative number is inside the absolute value, it turns out to be positive number anyways so the equation is basically 3.9 + 3.9 = 7.8

Jaces dad drives 605 miles in 11 hours

Answers

I'm not sure what the question is but, I'm guessing you are trying to find out how many miles are driven per hour.

To determine how many miles are driven per hour, you would divide the total number of miles driven by the total number of hours it took to drive it.
605 ÷ 11 = 55mph

Jace's dad drove 55 miles per hour.

I hope this helps!

Solve for x:
5(x - 2) + 7 = 65 - 4(5x - 8)

Please help!

Answers

the answer is x=4 i hope i can help

I WILL GIVE BRAINLIEST to who answers this question correctly.

Answers

You start counting from 0 onwards:

C = 6
D = 8

Then C x D = 48

So the product CxD is situated at 48 units from 0

How many three-letter "words" can be made from 5 letters "FGHIJ" if repetition of letters is not allowed?

Answers

There are 60 different three-letter "words" that can be made from the letters F, G, H, I, and J without repetition of letters. This can be calculated as a permutation of 5 choices for the first letter multiplied by 4 for the second and 3 for the third, resulting in 5 x 4 x 3 = 60 possible arrangements.

The question asks how many different three-letter "words" can be made from the five distinct letters F, G, H, I, and J, given that repetition of letters is not allowed. This is a problem of calculating permutations, where a permutation is an arrangement of all or part of a set of objects, with regard to the order of the arrangement. For each letter position in a three-letter word, we choose a different letter from the five available, without repeating.

For the first letter, there are 5 choices (F, G, H, I, J). Once we have chosen the first letter, there are 4 remaining choices for the second letter. After choosing the first two letters, there are 3 choices left for the third letter. To find the total number of permutations, we multiply these choices together: 5 choices for the first letter x 4 choices for the second letter x 3 choices for the third letter, which equals 60. Therefore, there are 60 different three-letter words that can be made from the letters F, G, H, I, and J without repetition.

6•10^5 is how many times as large as 3•10^3

Answers

200 times greater because you take 6*10^5 and you get 600,000 then you find out 3*10^3 and it equals 3,000 so you take 600,000 and divide it by 3,000 and you get 200 and that is how many times greater it is.

Does the equation y = 3x - 12 show a proportional relationship between x and y? Explain

Answers

y = 3x represents a proportional relationship, whereas

y = 3x - 12 does not. What's the difference? No constant term, such as -12. Recognize direct proportion as being expressed as y = kx (no constant term).

:) help me please & tyyyy

Answers

So all you do is plug in the variables to make sure the equation is a solution.

x = 12 and y = 46

y = 3x + 10
46 = 3(12) + 10
46 = 36 + 10
46 = 46
The answer is true. I hope this helps love! :)

Hector planted 185 flowers in 2 days.there were 5 volunteers,including Hector, who each planted about the same number of flowers. About how many flowers did they plant?

Answers

925 in 2 day that right

Answer: They planted 925 flowers.

Step-by-step explanation:

Given : Hector planted 185 flowers in 2 days.

There were 5 volunteers,including Hector, who each planted about the same number of flowers.

Then, the number of flowers they planted is given by :-

Number of volunteers x Flower planted by each volunteer

=[tex]5\times185=925[/tex]

Hence, They planted 925 flowers.

what is 2,117 divided by 3

Answers

Hello There!

You're answer is 705.6666667.

Hope This Helps You!
Good Luck :)

- Hannah ❤

The answer is 705.666666667
Hope this helps. :)

If you have 8/12 of a pizza, how many thirds do you have?

Answers

You would have 2/3 because 4 can go into the numerator 2 which makes the numerator of your answer 2, then 4 goes into 12 4 Times which makes the denominator of your answer which is 3 so 2/3

You have two thirds in 8/12

solve the equation 5n + 5 = 45

Answers

5n+5=45

5n+5=45
-5 -5
5/5n=40/5
n=8

You subtract the numbers 5n=45-5 then divide both sides by 5n=40 and you get n=8

Mrs Kipling ordered flowers for centerpieces.She ordered 168 flowers.She needs to put 15 flowers in a vase for 14 tables.Does Mrs.Kipling have enough flowers for 14 tables? Explain why or why not.

Answers

Hello! Mrs. Kipling order 168 flowers, and she needs to put 15 flowers in each vase for 14 tables. To find out if she has enough for 14 tables, let's multiply 15 (the amount needed for each vase) by 14. 15 * 14 is 210. 210 > 168. No. Mrs. Kipling does not have enough flowers for 14 vases.

(2x) (4x^2 + 3)
A. 8x^2 + 3
B. 8x^3 + 6x
C. 8x^2 + 6x
D. 8x^3 + 3

Answers

The correct answer is B
(2x)(4x²+3)=

8x³ + 6x

Melissa is 24 years younger than Joyce. In 2 years Joyce will be 3 times as old as Melissa will be then. How old are they right now?

Answers

Mellissa is 10 years and Joyce is 34 years right now. They will be 12 and 36 in two years.

Joyce will be 34 because Melissa is 10 so 10+24 will be 34 and if she will be three times as much so still in two years she will still be 2 years older so Joyce will be 36 and Melissa will be 12 so.....

Melissa 12 and Joyce 36

Helpppppp fast am being timed

Answers

The first one (up and lef) does represent a linear function because y increments a constant amount (5) as x increments a constant amount (1).

The second one (up and right) does represent a linear function because y decreases a constant amount (3) when x increases a constant amount (1).

Th third one (bottom and left) does represent a linear function because y increases a constant amount (1) when x increases a constant amount (1).

The fourth (bottom and right) does not represent a linear function because the change is y is not constant when x increases a constant amount.

Jill decides to move her fish from a 20 gallon aquarium to a 50 gallon aquarium. She added 3 tablespoons of salt to her old aquarium. If she wishes to maintain to same salinity level, how many tablespoons should she add to her new aquarium?

Answers

she would have to add 7.5 tablespoons of salt to keep a 15% salinity level

Somebody plz help me?!

Answers

The fewest gluesticks Martha can buy are 3.

This is because 3x10=30 (scissors)
And you get the same answer for gluesticks 10x3=30.

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