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Allisa [31]
3 years ago
15

SOMEONE, PLEASE HELP!!!!!!!!

Mathematics
2 answers:
Alja [10]3 years ago
7 0
B because i hot it and yeah
mars1129 [50]3 years ago
6 0

Answer:

Step-by-step explanation:

i think it is b

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The constant in the expression 8x 3 + 4x 2 – 9 is
Ket [755]

Answer : 9

Step-by-step explanation:

The answer is 9 because a constant is a number on its own, or sometimes a letter such as a, b or c to stand for a fixed number.

6 0
3 years ago
the runner's time to complete the marathon is 45 minutes. The time to complete the last marathon was 49.5 minutes. What is the p
Lana71 [14]

Answer:

9.09%

Step-by-step explanation:

To find percent decrease you have to use this equation:

Percent Decrease = \frac{Initial -New}{Initial} x 100

Initial = 49.5

New = 45

Plug in and solve:

PD = \frac{49.5-45}{49.5} x 100\\\\PD = \frac{4.5}{49.5} x 100 \\\\PD = 0.0909 x 100\\\\PD = 9.09

The percent decrease is 9.09%

<em>Hope this helps!!</em>

<em>- Kay :)</em>

6 0
3 years ago
Help me please find the area of the rectangle.recall that area=length . Width
Lelechka [254]

Answer:

1/35 sq. ft.

Step-by-step explanation:

Area = 3/35 x 1/3

= 1/35 sq. ft.

Hope it helps.

;)

8 0
2 years ago
Read 2 more answers
Use Synthetic substitution to find f(3) and f(-4) for f(x)=x^4-8x-11
brilliants [131]

Answer:

46 and 277

Step-by-step explanation:

Given

f(x) = x^{4} - 8x - 11 ← substitute x = 3, x = - 4 into f(x)

f(3) = 3^{4} - 8(3) - 11 = 81 - 24 - 11 = 81 - 35 = 46

f(- 4) = (-4)^{4} - 8(- 4) - 11 = 256 + 32 - 11 = 288 - 11 = 277

4 0
3 years ago
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morpeh [17]

Answer:

1.25 inspections in an hour

Step-by-step explanation:

10/8= 1.25

4 0
3 years ago
Read 2 more answers
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