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sesenic [268]
3 years ago
9

‼️would appreciate help

Mathematics
2 answers:
Mumz [18]3 years ago
8 0
The two angles are equal, so 3x-10 = 2x + 30, and x = 40. Both angles are equal to CGH, so plug 40 into any and the answer is 110 degrees, or D
nekit [7.7K]3 years ago
8 0
I would say the first option
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A sample of 20 account balances of a credit company showed an average balance of $1,170 and a standard deviation of $125. You wa
Lady_Fox [76]

Answer:

The P-value for this test is P=0.2415.

Step-by-step explanation:

We have to perform an hypothesis testing on the mean of alla account balances.

The claim is that the mean of all account balances is significantly greater than $1,150.

Then, the null and alternative hypothesis are:

H_0: \mu=1150\\\\H_a: \mu>1150

The sample size is n=20, with a sample mean is 110 and standard deviation is 125.

We can calculate the t-statistic as:

t=\dfrac{\bar x-\mu}{s/\sqrt{n}}=\dfrac{1170-1150}{125/\sqrt{20}}=\dfrac{20}{27.95}=0.7156

The degrees of freedom fot this test are:

df=n-1=20-1=19

For this one-tailed test and 19 degrees of freedom, the P-value is:

P-value=P(t>0.7156)=0.2415

8 0
4 years ago
A cylinder-shaped candle has a diameter of 5 inches and a height of 8 inches.
Arada [10]
V=hpir²
h=8
d=2r
d/2=r
5/2=2.5=r


V=8pi2.5²
V=8pi6.25
V=50pi
aprox pi=3.14

V=50  times 3.14
V=157 in³


157 cubic inches
5 0
4 years ago
Read 2 more answers
Which graph shows a linear function.<br> A) <br> B) <br> C) <br> D)
Hitman42 [59]
The First one (A) because it’s a straight line
3 0
3 years ago
Read 2 more answers
You are in charge of planning a reunion party for your high school alumni. The food will cost $12 per person. The rental fee for
castortr0y [4]

Answer:

$3820 total, $32 per alumnus.

Step-by-step explanation:

The total cost will be 12\times120+650+730+1000=3820

Each alumnus pays \frac{3820}{120} =31\frac{5}{6}

Rounding to nearest whole number = $32 per alumnus.

5 0
2 years ago
Need help it’s easy
defon
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Here is your answer given in the attachment above⏫

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3 0
3 years ago
Read 2 more answers
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