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svet-max [94.6K]
3 years ago
15

Find the surface area of the square pyramid

Mathematics
1 answer:
mojhsa [17]3 years ago
6 0

Answer:

4. 56 ft²

Step-by-step explanation:

SA = (4×4)+(4×½×4×5)

= 16+40

= 56

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150 adults complete a survey.<br> 80 are women<br> write the ratio of men/women in its simplest form
docker41 [41]

Answer:

7:8

Step-by-step explanation:

150-80=70

80= women

70=men

divide both by 10

8/7

out into a ratio of men to women.

7:8

5 0
4 years ago
if the area of a right isosceles triangle is 128 sq . m, what will be length of the identical side of the triangle​
kolezko [41]

Let's see. What is a right isosceles triangle?

A right isosceles triangle is a triangle with one right angle with at least two equal sides. In this case, it would have to be ONLY two because it has a right triangle.

What is the formula for the area of an isosceles triangle?

When y = the identical side lengths of the triangle,

and A = area,

(y × y) ÷ 2 = A

Note: Remember to compute from left to right! :)

We divide by two because when you multiple the two identical sides, you would get a square. However, we're trying to find the right isosceles triangle, and we divide by two.

Now, we can plug-in our values!

(y × y) ÷ 2 = 128

(y × y) = 64

Now, we square root both sides!

y = √64

y = 8

The length of the identical sides of the triangle is 8 meters.

5 0
3 years ago
Read 2 more answers
-2(x+1)+6x&lt;-14<br>I need help​
jeka57 [31]

Answer:

x<-3

Step-by-step explanation:

-2(x+1)+6x<-14

Distribute

-2x-2 + 6x < -14

Combine like terms

4x -2 < -14

Add 2 to each side

4x-2+2 < -14+2

4x < -12

Divide by 4

4x/4 < -12/4

x<-3

3 0
3 years ago
One-third of a number is 12<br> Work out one-half of the number
marshall27 [118]

If 1/3 = 12, then multiply 12 by 3 to get the number, which is 36

then split 36 in half, and you get 18.

hope this helps!

4 0
3 years ago
Read 2 more answers
What is the answer for this
Galina-37 [17]

Answer: 4units^2

Step-by-step explanation:

B*H/2

4*2/2= 4

So 4units^2 is the area

4 0
3 years ago
Read 2 more answers
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