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2 years ago

Find the value of x. Give the answer in simplest radical form. PLEASE HELP

Mathematics

1 answer:

Dafna11 [192]2 years ago

5 0

The answer is 7 or 7.07. Hope this helps

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Carol is going to make a wooden pyramid and then paint it. She drew the net of a square pyramid as shown below to help her plan

rodikova [14]

The given pyramid's total surface area is 3. 24.0 square feet.

Step-by-step explanation:

Step 1:

To calculate the surface area of the given figure, we need to find the surface areas of the different shapes in the figure.

There are 3 triangles and 1 square in the figure.

Step 2:

All the triangles are similar.

The surface area of a triangle = $\frac{1}{2} (baselength)(height).$

The similar triangles have a base length of 3 feet and a height of 2.5 feet.

The surface area of 1 similar triangle = $\frac{1}{2} (3)(2.5)= 3.75$ square feet.

The surface area for all the similar triangles = $3.75 (4) = 15$ square feet.

Step 3:

The surface area of a square is the square of its side length. The square has a side length of 3 feet.

The surface area of the square = $a^{2} = 3^{2} =9$ square feet.

Step 4:

To calculate the total surface area we sum up all the individual surface area.

The total surface area = $15 + 9 = 24$ square feet which is the third option.

3 0

2 years ago

Between which two integers does √ 45 lie? 44 and 46 22 and 23 6 and 7 7 and 8

erastovalidia [21]

Answer:

6 and 7

Step-by-step explanation:

lol just use a calculator ツ

5 0

3 years ago

What is the domain of g(x) = sqrt x +1

Shkiper50 [21]

There can be no negative in a sqrt
so x+1 must be equal or greater then 0
x+1 $\geq$ 0
x $\geq$ -1
so all answers must be greater then or equal to -1
-1,0,1,2,3,4,5,6,7,8
(-1,infinity) is the domain

7 0

2 years ago

Which of the following is the solution to the equation - n/2 + 14 = 0 ?

poizon [28]

The answer is n=28;

1. Subtract 14 from both sides (-n/2 = -14)

2. Multiply by 2 on both sides to get rid of the fraction (-n = -28)

3. Divide by -1 to get n by itself (n = 28)

You could also eliminate step three by multiplying by -2 instead of just 2.

Hope this helps!

4 0

2 years ago

Suppose that $8500 is placed in an account that pays 12% Interest compounded each year.

Nitella [24]

A) 7480$ will be in the account at the end of one year.
B) $6460 will be in the account at the end of 2 years.

3 0

2 years ago