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3 years ago

Mr. Boccio lost the top to the storage box that holds the calculators. He wants to

Mathematics

1 answer:

kondor19780726 [428]3 years ago

3 0

Answer:

a. 32 ft²

Step-by-step explanation:

Given:

L = 3 ft

W = 2 ft

H = 2 ft

Required:

Surface Area of the box

SOLUTION:

Surface area = 2LW + 2LH + 2HW

Plug in the values

Surface area = 2(3*2) + 2(3*2) + 2(2*2)

SA = 12 + 12 + 8

SA = 32 ft²

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Where do the equations y=2x and y=<img src="https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20" id="TexFormula1" title=" x^{2} " alt=" x^

never [62]

Set 2x=x²-3 to each other.
Subtract 2x from both sides and get the following

x²-3-2x

Rearranging the formula to make factoring easier, we get
x²-2x-3

Factor and you should get the following:
(x-3)(x+1)

set both equal to 0 and solve for x.

x-3=0⇒x=3
x+1=0⇒x=-1

Now plug both of these values back into one of your original equations to get your y-values. It does not matter which equation you plug your xs back into due to the fact they intersect at the same x, and thus will also intersect at the same y.

For times sake,
y=2x
plug in x=3 and get y=6
plug in x=-1 and get y=-2

Ergo, the equations y=2x and y=x²-3 intersect at
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8 0

3 years ago

If y varies directly with x and y = 15 when x = 3, find the equation that relates x and y

Zielflug [23.3K]

Answer:

y = 5x

Step-by-step explanation:

The equation for direct variation is y = kx, where k is the factor of variation. So we know that y and x must fit into this formula.

They've given us a y and x value to solve for k.

y = kx

15 = 3k

15/3 = k

k = 5

Plug k back into our equation.

y = 5x

6 0

3 years ago

Read 2 more answers

I d k man here something easy x + 5 = 10 x = ?

d1i1m1o1n [39]

Answer:

x = 5

Step-by-step explanation:

x + 5 = 10

-5 -5

x = 5

Hope this helped! Have a nice day! Plz mark as brainliest!!!

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7 0

3 years ago

Select all the situations that can be represented by 1/2⋅5. * 1 point Diego lives 5 miles from school, and Elena lives 1/2 as fa

SpyIntel [72]

Answer:

Elena lives 2.5 miles away from school.
The total liters of water is 2.5 liters
He can cut 10 pieces of rope of length 1/2 meter
The fraction of her goal she ran is 1/10

Step-by-step explanation:

From the question,

Diego lives 5 miles from school, and Elena lives 1/2 as far away as Diego

Therefore, Elena lives 1/2 of 5 miles away from school.

1/2 of 5 miles = 2.5 miles

Hence, Elena lives 2.5 miles away from school.

Jada has 5 bottles that each contain 1/2 liter of water.

Since each bottle contain 1/2 liter of water, then

The total liters of water is (1/2 × 5) liters

1/2 × 5 = 2.5 liters

Hence, the total liters of water is 2.5 liters

Noah has 5 meters of rope

To determine how many pieces of rope of length 1/2 meter he can cut,

Number of pieces of rope of length 1/2 meter that can be cut is 5 meter ÷ 1/2 meter

5 meter ÷ 1/2 meter = 10

Hence, he can cut 10 pieces of rope of length 1/2 meter.

Lin's goal is to run 5 miles. She ran 1/2 mile.

To determine what fraction of her goal that is,

First, she ran 1/2 mile out of 5 miles.

The fraction of her goal she ran is 1/2 mile ÷ 5 miles

1/2 mile ÷ 5 miles = 1/10

Hence, the fraction of her goal she ran is 1/10.

8 0

4 years ago

The top 2 are A and B and the bottom 2 are C and D

Maslowich

2 1/2 feet by 4 1/2 feet. So, B.

5 0

4 years ago