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Xelga [282]
3 years ago
10

If you can answer both of these i'll give brainliest

Mathematics
2 answers:
DochEvi [55]3 years ago
8 0
I’m pretty sure it’s:
Y=60/2x +20
Y=-10x + 60
Hope I could help!
Anna35 [415]3 years ago
3 0

Answer:

1. 30x + 20

2. -10x + 60

Step-by-step explanation:

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Find the volume of a cylinder with height 14.7 cm and diameter 10.5 cm.
velikii [3]

Hello!

The volume of a cylinder is found by using the formula: V = πr²h.

The problem has given us the height of the cylinder, which is 14.7 centimeters, and the diameter which is 10.5 centimeters. The volume of a cylinder requires the radius, so therefore, to find the radius, divide the diameter by half, and that will give the radius.

R = 10.5 / 2

R = 5.25 centimeters

With that radius and the height, we can find the volume of the cylinder.

V = π(5.25)²(14.7)

V = 27.5625(14.7)π

V = 405.17π, 1272.23 (multiplied by 3.14), 1272.88 (multiplied by π)

Therefore, the volume of this cylinder is 1272.88 centimeters³.

5 0
3 years ago
Solve the quadratic equation.<br>-7n^2=-448<br>​
Zolol [24]

Answer:

n = 8

Step-by-step explanation:

-7n² = -448

=> n² = -448 / -7

=> n² = 64

=> n = \sqrt{64}

=> n = 8

Hope it helps :)

Please mark my answer as the brainliest

5 0
2 years ago
The solid graph is a translation of f(x)=^3sqrx
GenaCL600 [577]
The answer is 2 units up

hope this helps:)
8 0
3 years ago
Read 2 more answers
Brandon is training for 200 meter dash. His best running time so far was 31.25 seconds. If Brandon wants to run the dash in 27 s
raketka [301]

Just subtract 27 from 31.25

31.25-27=4.25

Brandon must cut 4.25 seconds

3 0
3 years ago
Read 2 more answers
1. A waste management service attempts to design routes so that each of their trucks pick-up on average four tons of garbage or
Galina-37 [17]

Answer:

We conclude that garbage collector's average picking is more than four tons of garbage per day.

Step-by-step explanation:

We are given the following information n the question:

First, we design the null and the alternate hypothesis

H_{0}: \mu \leq 4\text{ tons}\\H_A: \mu > 4\text{ tons}

Significance level = 5% = 0.05

P-value = 0.04

  • The p-value is the probability of obtaining the observed results of a test, assuming that the null hypothesis is correct.
  • P values evaluate how well the sample data support that the null hypothesis is true.
  • P-value is a measure or indicator that helps us to know that whether the sample belongs to the population or not.
  • Null hypothesis states that the sample belongs to the population.
  • A high p-values states that the null hypothesis is true ad the sample belongs to the population.ll.
  • A low p-value suggests that sample provides enough evidence that you the null hypothesis is not true and the sample does not belong to the population.
  • We compare p-value to significance level to obtain our result.

Here,

p-value = 0.04 < Significance level = 0.05

Since the p-value is lower than the significance level, we fail to accept the null hypothesis and reject it. That is there were enough evidence to support the fact that sample does not belong to the population and we conclude that garbage collector's average picking is more than four tons of garbage per day.

6 0
3 years ago
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