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laila [671]
3 years ago
6

camryn mason obtained a $1,200 loan for her scuba diving lessons. She borrowed the money for six months at 7% interest. Her mont

hly payment is $204.10. What is the interest for the second payment?
Mathematics
1 answer:
SVEN [57.7K]3 years ago
8 0

Answer:

3.4296913278%

Step-by-step explanation:

1200-204.10 =996.9

7

204.1

x 100% = 3.4296913278% Theres probably another way to do this and im pretty sure this is correct

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david is filling five 3/4-quart bottles with a sports drink.his measuring cup only holds 1/4 quart.how many times will david nee
kenny6666 [7]
15 times he has to fill it up

3 0
3 years ago
Evaluate the expression: 5 + 3 × (5 - 2) 2<br><br> 16<br> 32<br> 36<br> 72
Charra [1.4K]
The answer would be 23 even though that is not one of the answer choices
4 0
3 years ago
Suppose that we want to test the hypothesis with a significance level (alpha) of .05 that the climate has changed since industri
saw5 [17]

Answer: we reject the initial claim

(50. 3802, 51.6198)

Step-by-step explanation:

A)

The initial statement is that the mean temperature throughout history is 50°

This is the null hypothesis and it is denoted as H'

H': u = 50.

After taking a sample of 40 years, we realized that the mean temperature is 51°.

This is the alternative hypothesis, in contradiction to the alternative.

The alternative hypothesis is denoted as H1

H1: u > 50 ( upper tailed).

Sample size (n) = 40

Sample mean (x) = 51

Population standard deviation (σ) = 2

We use a z test to get the value of the test statistics.

We are using a z test because sample size is greater than 30 ( n = 40) and population standard deviation is given.

Z score = x - u/ (σ/√n)

Z score = 51 - 50 / (2/√40)

Z score = 1 / 0.3162

Z score = 3.16

Our level of significance is 5%, and the critical value at this level of significance is 1.645.

By comparing the z score relative to the critical value, since our z score is greater than 1.645, it implies that we are in the rejection region hence we reject the initial claim.

B)

We are to construct a 95% confidence interval for population mean temperature.

For upper limit

u = x + Zα/2 ×(σ/√n)

Where Zα/2 = 1.96 which is the critical value for a two tailed test at 5% level of significance.

For upper limit, we have that

u = 51 + 1.96 × (2/√40)

u = 51 + 1.96 (0.3162)

u = 51 + 0.6198

u = 51.6198.

For lower limit, we have that

u = 51 - 1.96 × (2/√40)

u = 51 - 1.96 (0.3162)

u = 51 - 0.6198

u = 50. 3802.

Hence the 95% confidence level for mean temperature is given as (50. 3802°, 51.6198°)

7 0
3 years ago
(4 - 10) - ( 8 ÷ ( -2))
NeTakaya
The answer would be -2

(4-10)-(8 ÷(-2))

(-6)-(-4)

-6+4

-2
5 0
3 years ago
Read 2 more answers
The angle measurements in the diagram are represented by the following expressions.
aliya0001 [1]
Angle a and b are supplementary angles which means that when added they equal 180.
so we must set our equation equal to 180.
8x+74+2x+56=180
which simplifies to 10x+130=180
then subtract 130 from both sides.
10x=50
x=5

So we plug in 5 to find the measure of b.
2(5)+56=b
10+56=b
66=b
the measure of angle b is 66 degrees
8 0
3 years ago
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