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Flauer [41]
3 years ago
6

Name the coefficents, like terms, and constant.

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
3 0

1. Coefficients '5 '6 '2 '9 and '2, like terms 5m 6m 9m and 2n constant -23
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Test the ability of auto mechanics to identify simple engine problems, an automobile with a single suchproblem was taken to 72 d
jekas [21]

Answer:

The proportion is less than 0.75 only

Step-by-step explanation:

given that the ability of auto mechanics to identify simple engine problems, an automobile with a single suchproblem was taken to 72 different car repair facilities.

Sample proportion= 42/72=0.5833

Set up hypotheses as

H0: p =0.75

Ha: p < 0.75

(Left tailed test)

Assuming H0 to be true, std error of proportion = \sqrt{\frac{0.75*0.25}{72} } \\=0.0668

p difference = -0.1667

Test statistic Z = p diff/std error = -2.50

p value = 0.0062

since p is less than0.05 at 5% significance level we reject null hypothesis

The proportion is less than 0.75 only

6 0
3 years ago
Cost A=0.6489<br><br> take the inverse cosine of both sides
Stolb23 [73]
I am not quite sure what the question asks for,
But this is what i assume it wants:

Cos A= 0.6489
In this given one, we basically find the size of the angle A
we do cosine inverse on both sides to get the size of the angle A
cos^{-1} : It looks like this in the calculator
cos^{-1} × cos A=cos^{-1}(0.6489)
(cos^{-1} and cos cancels out)
A=cos^{-1}(0.6489)
A=49.54°
check: 
cos 49.54=0.6489 (its right!)

6 0
3 years ago
If the volume of the pyramid shown is 360 inches cubed, what is its height?
GenaCL600 [577]
<h3>Answer: 9 inches (choice D)</h3>

Work Shown:

V = volume of pyramid

V = (1/3)*(area of base)*(height)

V = (1/3)*(12*10)*h

V = (1/3)*120h

V = 40h

Set this equal to the given pyramid volume 360 cubic inches and solve for h

40h = 360

h = 360/40

h = 9

5 0
3 years ago
Read 2 more answers
3.You owe $1,032.56 on a credit card with an 11.25% APR. The minimum due is $150.00. What is the difference in the interest accr
Nimfa-mama [501]
Paybeginning $1,032 - $150 = $882.56* 1.00938 = $ 890.84
Pay end $1,032.56 * 1.00938 = $1042.25- $150 = $892.25

The difference is in interest in the first month 892.25−890.25=2


Note: 11.25 / 12 = 0.00938 interest per month
8 0
4 years ago
Read 2 more answers
Ignore this:isnsjsbjs sjsdjsnsnssnsnnsnsns
dezoksy [38]

Answer:

4

Step-by-step explanation:

i dont wanna explain but the answer is 4

6 0
3 years ago
Read 2 more answers
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