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Roman55 [17]
4 years ago
11

I need help with 15?????

Mathematics
2 answers:
Zina [86]4 years ago
4 0
you can see it on my phone was on my phone is dead to the hospital for the next
ss7ja [257]4 years ago
4 0
What about 15. can you explan so I can help
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Find the surface area of a square pyramid with a base length of 24 cm and a height of 16 cm. Explain how you solved the problem.
icang [17]

Answer:

the answer b

Step-by-step explanation:

[surface area]=[area of 4 triangles sides]+[area of square base]

[area of square base]=24*24--------> 576 cm²

[area of one triangles side]

l=slant height

l²=16²+12²-------> l²=400-----------> l=20 cm

[area of one triangles side]=24*20/2--------> 240 cm²

[area of 4 triangles sides]=4*240----------> 960 cm²

[surface area]=[960]+[576]--------> 1536 cm²

6 0
3 years ago
Lines AB and CD are parallel. If 1 measures (2x + 15)°, and 4 measures 101°, what is the value of x?
Sloan [31]

Answer:

x = 32°

Step-by-step explanation:

Given:

Line AB║CD

Angle 1 = (2x + 15)°

Angle 4 = 101°

Find:

Value of x = ?

Computation:

We know that Angle 1 and Angle 4 stay on same line , so Angle 1 and Angle 4 are liner pair.

∴ Angle 1 and Angle 4 = 180°

⇒ (2x + 15)° + 101° = 180°

⇒ 2x + 116° = 180°

⇒ 2x = 180° - 116°

⇒ 2x = 64°

⇒ x = 32°

Therefore value of x 32°

3 0
4 years ago
A spider ate
KatRina [158]
25% of 88 = 

0.25 × 88 = 22

88 + 22 = 110

Answer = 110

Hope this helped☺☺
7 0
3 years ago
Read 2 more answers
Find the real numbers x and y that make the equation true. (2 points)<br> -3 + yi = x + 6i
stealth61 [152]

Answer:

x = - 3, y = 6

Step-by-step explanation:

For the 2 sides to be equal then the coefficients of the imaginary terms and the real terms must be equal.

Given

- 3 + yi = x + 6i , then

x = - 3 and y = 6

7 0
3 years ago
The shirt was $7.45 he pays with a $20 how much he getting back
nordsb [41]

Answer:

$12.55

Step-by-step explanation:

20-7.45=12.55

4 0
4 years ago
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