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Alexeev081 [22]
3 years ago
9

Rebecca is three years younger than twice Anthony's age. Write an expression that represents the relationship of Rebecca's age i

n terms of Anthony's age.
Mathematics
1 answer:
Andrei [34K]3 years ago
4 0

Answer:

X=2y-3

Step-by-step explanation:

Let Rebecca's age be x

Let Anthony's age be y

Twice Anthony =2y

Rebecca's age (x) to be 3 years younger than twice Anthony's =2y-3

So, it's x=2y-3

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Answer:

(x + 4)² + (y - 12)² = 3

Step-by-step explanation:

form of circle

(x - h)² + (y - k²)  = r²

(h, k) is the center = (-4, 12

r is the radius =√3

------------------------

plug in the givens

(x + 4)² + (y - 12)² = 3

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The accompanying graph shows the amount of
ivann1987 [24]

Answer:

The answer is B. 30 seconds

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The mean annual premium for automobile insurance in the United States is $1503 (Insure website, March 6, 2014). Being from Penns
Arturiano [62]

Answer:

It is not evident the mean annual premium in Pennsylvania is lower than the national mean annual premium

Step-by-step explanation:

Given that annual premium for automobile insurance in the United States  (Insure website, March 6, 2014), are as follows:

Mean 1440.00

SD 165.00

SEM 33.00

N 25    

a) H_0: \bar x = 1503\\H_a: \bar x

(left tailed test at 5% level)

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

=1440-1503\\=-103

c)    df = 24

 standard error of difference = 33.000

t = 1.9091

The   95% confidence interval of this difference:

From -131.11 to 5.11

p value = 0.0683

Since p >0.05, we accept H0

It is not evident the mean annual premium in Pennsylvania is lower than the national mean annual premium

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4 years ago
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Answer:

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  4. Unstable cutting boards are asking for improper cuts. Prevent this by only cutting on a surface that is level, sturdy, and reliable.
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Thanks so much for letting me help!!

8 0
4 years ago
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I need an answer!!!
lorasvet [3.4K]

Answer:

sorryyyyy

Step-by-step explanation:

your image is blocked

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