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Sergeeva-Olga [200]
3 years ago
9

I need help with this question. I cant find the surface area of this square pyramid. Please help me.

Mathematics
1 answer:
docker41 [41]3 years ago
4 0
25 bc 5 times 5 is 25
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3) 8x - 27 = 8(x-4) + 5<br> A) { All real numbers. }<br> B) (-7)<br> C) 7<br> D) {-10)
vfiekz [6]
The answer is A
8x-27=8x-32+5
Delete 8x
-27=-27
4 0
3 years ago
If you have a cubic polynomial of the form y = ax^3 + bx^2 + cx + d and lets say it passes through the points (2,28), (-1, -5),
Marrrta [24]

Answer:

a = 3

b = 2

c = 0

d = -4

Step-by-step explanation:

Form 4 equations and solve simultaneously

28 = a(2)³ + b(2)² + c(2) + d

28 = 8a + 4b + 2c + d (1)

-5 = -a + b - c + d (2)

220 = 64a + 16b + 4c + d (3)

-20 = -8a + 4b - 2c + d (4)

(1) + (4)

28 = 8a + 4b + 2c + d

-20 = -8a + 4b - 2c + d

8 = 8b + 2d

d = 4 - 4b

Equation (2)

c = -a + b + d + 5

c = -a + b + 4 - 4b+ 5

c = -a - 3b + 9

28 = 8a + 4b + 2c + d (1)

28 = 8a + 4b + 2(-a - 3b + 9) + 4 - 4b

28 = 6a - 6b + 22

6a - 6b = 6

a - b = 1

a = b + 1

220 = 64a + 16b + 4c + d (3)

220 = 64(b + 1) + 16b + 4(-b - 1 - 3b + 9) + 4 - 4b

220 = 60b + 100

60b = 120

b = 2

a = 2 + 1

a = 3

c = -3 - 3(2) + 9

c = 0

d = 4 - 4(2)

d = -4

8 0
3 years ago
Read 2 more answers
PLEASE HELP I JUST NEED THE ANSWER NOT AN EXPLANATION TO HOW YOU GOT THE ANSWER
Yuki888 [10]

The answer is b, > because 30.17 is bigger than 30.018

6 0
3 years ago
Solve 10 -4+5n<br> Σ<br> n=2
valentinak56 [21]

Answer: 16

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Which shows another way to write 4 to the sixth power?
geniusboy [140]

A) 6 x 6 x 6 x 6

Hope this Helps!!

3 0
3 years ago
Read 2 more answers
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