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3 years ago

Can you take away a positive and negative tile from the positive region

Mathematics

2 answers:

Semenov [28]3 years ago

6 0

Erm, i don't think so but i hope this helps you :)

Afina-wow [57]3 years ago

4 0

i dont think it can

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The Insure.com website reports that the mean annual premium for automobile insurance in the United States was $1,503 in March 20

stira [4]

Answer:

a) Option A)

$H_{0}: \mu \geq 1503\\H_A: \mu < 1503$

b) Point estimate of difference = -78

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = $1,503

Sample mean, $\bar{x}$ = $1,425

Sample size, n = 25

Sample standard deviation, s = $160

We have to carry a hypothesis test that the mean annual premium in Pennsylvania is lower than the national mean annual premium.

a) First, we design the null and the alternate hypothesis

$H_{0}: \mu \geq 1503\text{ dollars}\\H_A: \mu < 1503\text{ dollars}$

b) Point estimate of the difference between the mean annual premium in Pennsylvania and the national mean

Point estimate of difference =

Mean annual premium in Pennsylvania - National mean

$\text{Point estimate} = \bar{x} - \mu = 1425 - 1503 = -78$

Thus,

Point estimate of difference = -78

5 0

4 years ago

What would you do to find the area of 5/8 of a circle?

Sonja [21]

Answer:

5/8 * pi r^2

Step-by-step explanation:

First , you find the full area of the circle

A = pi r^2

Then multiply by the fraction that you want to find

5/8 * pi r^2

3 0

3 years ago

Who likes anime??<br> I like anime‍♀️......

MA_775_DIABLO [31]

Answer:

Me too

Step-by-step explanation:

4 0

3 years ago

Someone give me the answer to this problem please ☺️☺️

Softa [21]

SA = 2 * pi * r^2 + 2 * pi * r * h
r = 1
h = 4
pi = 3.14
now sub
SA = 2(3.14)(1^2) + 2(3.14)(1)(4)
SA = 6.28(1) + 6.28(4)
SA = 6.28 + 25.12
SA = 31.4 sq ft

4 0

3 years ago

Slove this question c^2-81=0

Firdavs [7]

To solve a square root, get the ^2 on one side and the 81 on the other side.
add 81 to both sides.

c^2 = 81
to clear the power of 2, take the square root of both sides.
c = + - sqrt81
c = + - 9
c = 9 and c = -9

3 0

4 years ago