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____ [38]
3 years ago
7

How to graph this problem ?

Mathematics
1 answer:
Ymorist [56]3 years ago
7 0
Doesn't it become like a reflection? For example instead of (3,1) it'll be (-3,-1) ?
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An account earns simple interest. $1800 at 6.5% for 30 months Find the interest earned.
horrorfan [7]
Okay. The formula for simple interest is prt. You multiply the principal (initial amount) by the rate (percentage) by the time (months or years). $1,800 is the principal and 6.5% is the percentage rate. 1,800 * 6.5% (0.065) is 117. You earn $117 in interest annually. The time period is 30 months. There are 12 months in 1 year. Divide the amount of months by 12 to put it in a decimal. 30/12 is 2.5. Now, multiply 117 by 2.5 to find the total amount of interest earned. 117 * 2.5 is 292.5. There. The total amount of interest earned is $292.50.
4 0
3 years ago
PLZ ANSWER I WILL GIVE BRAINLIEST AND 100 POINTS!
Dima020 [189]

Step-by-step explanation:

Enter the following numbers in the boxes provided sequentially.

First box : 7

Second box: 2

Third box: 3

Fourth box : 4

Fifth box: 8

Sixth box: 3

5 0
2 years ago
Read 2 more answers
A study of peach trees found that the average number of peaches per tree was 725. The standard deviation of the population is 70
TEA [102]

Answer:

She needs to sample 189 trees.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1 - 0.95}{2} = 0.025

Now, we have to find z in the Ztable as such z has a pvalue of 1 - \alpha.

That is z with a pvalue of 1 - 0.025 = 0.975, so Z = 1.96.

Now, find the margin of error M as such

M = z\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

The standard deviation of the population is 70 peaches per tree.

This means that \sigma = 70

How many trees does she need to sample to obtain an average accurate to within 10 peaches per tree?

She needs to sample n trees.

n is found when M = 10. So

M = z\frac{\sigma}{\sqrt{n}}

10 = 1.96\frac{70}{\sqrt{n}}

10\sqrt{n} = 1.96*70

Dividing both sides by 10:

\sqrt{n} = 1.96*7

(\sqrt{n})^2 = (1.96*7)^2

n = 188.2

Rounding up:

She needs to sample 189 trees.

3 0
3 years ago
please help !! I need the new equation, the vertex, the zeros, the y-intercept, and the maximum or minimum value
Volgvan

Answer:

1.py. zeroes

Step-by-step explanation:

3 0
2 years ago
Please what is the answer?
nirvana33 [79]

Answer:

the answer is 9730.06

Step-by-step explanation:

india is a blooody country

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3 years ago
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