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3 years ago

Using only the numbers 4 through 12, fill in the circles so that the numbers on each straight line add up to 21

Mathematics

1 answer:

dangina [55]3 years ago

3 0

Answer:

This was fun if you have anymore of these feel free to message me on here if you need help

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Imma has made these photocopies of a drawing of a shape the photocopies are different sizes

mylen [45]

Answer:

x=2.5

y=10

Step-by-step explanation:

I'm assuming you have the same question as me on mathswatch.

First, do 6 divided by 5. This gets you 1.2.

Then do 3 divided by 1.2 to find the length of x.

To find y, you have to do 3 divided by 5, this gets you 0.6

Divide 6 by 0.6 to get your answer of 10.

I hope this helps and is not too late :)

4 0

3 years ago

Sophia wanted to increase the area of her vegetable garden she extended the length from 10 feet to 30 feet how many times larger

OverLord2011 [107]

Answer:

The new area of garden is 3 times of the initial area of the garden.

Step-by-step explanation:

The initial length of the garden is 10 feet.

The shape of the garden must be a rectangle and the area of rectangle is

$A=l\times w$

The initial area of the garden is

$A_0=10\times w$

$A_0=10w$

The new length of the garden is 30 feet. So, the new area of the garden is

$A_1=30\times w$

$A_1=30w$

Let area of garden is k times larger than the initial area.

$A_1=k\times A_0$

$30w=k\times 10w$

Divide both sides by 10w.

$k=3$

Therefore new area of garden is 3 times of the initial area of the garden.

8 0

3 years ago

Write as a product: ax^2+ay^2–bx^2–by^2+b–a

Vesna [10]

Answer:

$\large\boxed{ax^2+ay^2-bx^2-by^2+b-a=(a-b)(x^2+y^2-1)}$

Step-by-step explanation:

$ax^2+ay^2-bx^2-by^2+b-a\\\\=(ax^2-bx^2)+(ay^2-by^2)+(b-a)\qquad\text{use the distributive property}\\\\=x^2(a-b)+y^2(a-b)-1(a-b)\\\\=(a-b)(x^2+y^2-1)$

4 0

3 years ago

Calculate the average speed between 120 s and 160 s

Norma-Jean [14]

<h3>Formula:</h3>

Average Speed = Total Distance / Total Time

<h3>Given:</h3>

Total Distance = 150 m

Total Time = 160 - 120 = 40 s

Average Speed

<h3>Solution:</h3>

Average Speed = 150/40

Average Speed = 3.75 m/s

<h2>Answer:</h2>

3.75 m/s

7 0

3 years ago

Subtract. Write your answer in simplest form. 13/14 - 2/5

strojnjashka [21]

37/70 is the answer
Hope this helps

5 0

3 years ago