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Pachacha [2.7K]
3 years ago
15

Greg is recovering one of his couch cushions. The cushion is in the shape of a rectangular prism. Greg drew a net of the cushion

below.
If the length of the cushion measures 12 in, the width measures 9 in, and the height measures 4 in, how much fabric does Greg need to cover the cushion?
A. 864 sq in
B. 384 sq in
C. 432 sq in
D. 192 sq in

Mathematics
2 answers:
Alexxandr [17]3 years ago
5 0
384 is the answer for this problem
Alina [70]3 years ago
3 0

Answer:

384

Step-by-step explanation:

12 × 9 × 4 = 384

9 × 4 = 32 × 12 = 384

 384, is your answer!

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A line contains the points (82, -96) and (87, -86)
Tasya [4]

Answer:

D

Step-by-step explanation:

please give me brainliest

6 0
3 years ago
Hey can you help me fast I need to get this grade to a 90 by 12:00 I have an 83 rn.
Nesterboy [21]

Answer:

30/50

Step-by-step explanation:

because there is a y distance of 30 and x distance of 50 from point to point.

3 0
3 years ago
A basketball player shoots a basketball that reaches a height above 15 feet before landing back on the ground exactly after 7 se
Papessa [141]

Answer:

I and IV

Step-by-step explanation:

Since the height of the basketball reaches above 15 feet, hence the maximum of the function should be greater than 15 feet. Also at 7 seconds, the ball is on the ground, hence f(7) = 0 feet

The maximum of a function is at x = -b/2a

i) f(x) = -(x-3)² + 16 = -(x² - 6x + 9) + 16 = -x² + 6x + 7

The maximum of a function is at x = -b/2a = -6 / 2(-1) = 3

f(3) = -(3-3)² + 16 = 16 > 15

Also f(7) = - (7 - 3)² + 16 = 0

Hence this option is correct

ii) f(x) = -x² + 8x - 7

The maximum of a function is at x = -b/2a = -8 / 2(-1) = 4

f(4) = -4² + 8(4) - 7 = 9 < 15   not correct

Also f(7) = - 7² + 8(7) - 7 = 0

Hence this option is not correct since the maximum f(4) = 9 < 15  

iii)  f(x) = -(x-3)² + 14 = -(x² - 6x + 9) + 14 = -x² + 6x + 5

The maximum of a function is at x = -b/2a = -6 / 2(-1) = 3

f(3) = -(3-3)² + 14 = 14 < 15

Also f(7) = - (7 - 3)² + 14 = -2

Hence this option is not correct since the maximum f(4) = 9 < 15 and f(7) ≠ 0

iv)f(x)  = -x² + 6x + 7

The maximum of a function is at x = -b/2a = -6 / 2(-1) = 3

f(3) = -(3)² + 6(3) + 7 = 16 > 15

Also f(7) = - (7)² + 6(7) + 7 = 0

Hence this option is correct

3 0
3 years ago
Mei Mei invested $1700 in an account that pays 3% interest compounded annually.
algol [13]

Answer:

$2728

Step-by-step explanation:

Use compound interest formula:

A = P(1 + \frac{r}{n})^{nt}

P = 1700, r = 0.03, n = 1, t = 16

Plug in numbers:

A = 1700(1 + \frac{0.03}{1})^{(1)(16)}

Simplify:

A = 1700(1.3)^{16

Use calculator:

A = 2728

4 0
2 years ago
Y=2x+9 what the answer
tekilochka [14]

Answer:

x=Y/2−9/2

Step-by-step explanation:

please mark brainliest :)

8 0
3 years ago
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