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musickatia [10]

3 years ago

7

Answer if you know the answerss only please :WARNING: WILL BE REPORTING> UWU

1 answer:

sasho [114]3 years ago

8 0

Answer:

1. There are 18 girls

2. (BLANKS IN ORDER) 5, 18, 36, 30

Step-by-step explanation:

with the ratio given, you divide the lager by the smaller then multiply accordingly to the others( keep in mind it depends which number is on what side)

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Which equations are true for x = –2 and x = 2? Select two options

brilliants [131]

Answer:

x^2 – 4 = 0

Step-by-step explanation:

When x = - 2,

x^2 - 4 = 0

( - 2 )^2 - 4 = 0

4 - 4 = 0

When x = 2,

x^2 - 4 = 0

2^2 - 4 = 0

4 - 4 = 0

4 0

3 years ago

I built a storage shed in the shape of a rectangular box on a square base. The material that I used for the base cost $4 per squ

Dmitrij [34]

Answer:

$V = \frac{450L - 6 L^{3} }{10}$

Step-by-step explanation:

The volume of a cuboid can be determined simply by the formula: V= LWH

(where: L is length, H is height and W is width).

In this particular case the base is a square, which means the length and width are equal. Hence we can modify the equation of volume:

$V = L^{2} H$

Now we need to find the value of H in terms of L. For this we can develop the equation for cost incurred in building the storage shed. We find the area of each side of the cuboid, and then we multiply it by cost per square feet to find the total cost incurred; as shown below:

<u>Area:</u>

Base: $L$ × $L = L^{2}$

Roof: $L$ × $L = L^{2}$

Side: $4 H$ × $L = 4HL$ (we have considered all four sides)

<u>Cost:</u>

Base: 4 $L^{2}$

Roof: 2 $L^{2}$

Side: $2.50 * 4HL = 10 HL$

Total cost:

4 $L^{2}$ + 2 $L^{2}$ + 10 $HL$ = 450

We simplify this equation further:

6 $L^2$ + 10<em>HL </em>= 450

10HL = 450 - 6 $L^2$

$H = \frac{450- 6 L^2}{10L}$

We now have the value of H, which we can substitute in the formula of Volume we deduced earlier:

substituting $H = \frac{450-6L}{10L}$ in $V = L^{2} H$ :

$V = L^2$ × $\frac{450 - 6L }{10L}$

Simplifying it further:

$V = L$ × $\frac{450 - 6L}{10}$

$V= \frac{450L - 6L^3}{10}$ is the final answer.

3 0

3 years ago

Sumy is working in geometry class and is given figure ABCD in the coordinate plane to reflect. The coordinates of point D are (a

madreJ [45]

Answer:

(b, a)

Step-by-step explanation:

Example if D was (3, 2) and reflects across y = x, D' will be (2, 3)

3 0

3 years ago

Read 2 more answers

Write the scientific notation for 2,460,000

Diano4ka-milaya [45]

It would be equalto 2.4 * 10^6

4 0

3 years ago

A cupcake factory has already used 19.2 lb of flour today. They are now making cupcakes that require 0.5 lb per batch.

Vlada [557]

Answer:

166.8 pounds.

Step-by-step explanation:

Let b be the number of batches baked and f be the total weight of flour.

We have been given that a cupcake factory has already used 22.8 pounds of flour today.

They are now making cupcakes that require 8 pounds per batch, so the weight of flour used in b batches will be 8b.

The equation representing the total weight of used flour is given as:

To find the total weight of flour used, when 18 batches are baked we will substitute b = 18 in our given equation.

Therefore, the total weight of flour used in baking 18 batches will be 166.8 pounds.

4 0

3 years ago