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3 years ago

What is 15% tax on 42.87 round to the nearest cent

Mathematics

2 answers:

frez [133]3 years ago

5 0

42.87*0.15= $6.43 rounded

slava [35]3 years ago

4 0

The answer is 6
Hope this helps:)

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Consider the following least squares specification between test scores and the student - teacher ratio: TestScore = 557.8 + 36.4

GenaCL600 [577]

Answer:

$Test score_i= 557.8 +36.42 Income$

If we increase the income by 1% that means that the new income would be 1.01 the before one and if we replace this we got:

$Test score_f = 557.8 + (36.42* 1.01 Income)= 557.8 +36.7842 Income$

And the net increase can be founded like this:

$Test score_f -Tet score_i = 557.8 +36.7842 Income- [557.8 +36.42 Income] = 36.7842 Income -36.42 Income = 0.3642$

So then the net increase would be:

C. 0.36 points

Step-by-step explanation:

For this case we have the following linear relationship obtained from least squares between test scores and the student-teacher ratio:

$Test score_i= 557.8 +36.42 Income$

If we increase the income by 1% that means that the new income would be 1.01 the before one and if we replace this we got:

$Test score_f = 557.8 + (36.42* 1.01 Income)= 557.8 +36.7842 Income$

And the net increase can be founded like this:

$Test score_f -Tet score_i = 557.8 +36.7842 Income- [557.8 +36.42 Income] = 36.7842 Income -36.42 Income = 0.3642$

So then the net increase would be:

C. 0.36 points

5 0

3 years ago

Suppose MyBook sent out 2100 surveys. Which of these numbers of surveys being returned would prevent non response bias?

Korolek [52]

Answer:

21 is the answer

4 0

3 years ago

If h(x)=4x^2-16 we’re shifted 7 units to the right and 3 units down what would the new equation be

attashe74 [19]

Answer:

4(x-7)^2 - 19

Step-by-step explanation:

Shifting 7 units to the right: 4(x-7)^2 - 16.

3 units down: 4(x-7)^2 - 16 - 3, or 4(x-7)^2 - 19

6 0

3 years ago

Boyd grows only tomatoes and raspberries in his garden. Last year, he grew 140 pounds of tomatoes and 60 pounds of raspberries.

nadya68 [22]

Answer:

29%.

Step-by-step explanation:

We have been given that Boyd grew 140 pounds of tomatoes and 60 pounds of raspberries. This year, the production, by weight, of tomatoes declined by 20 percent, and the production, be weight, of raspberries declined by 50 percent.

First of all, we will find the weight of tomatoes and raspberries using the given information.

Since the production, by weight, of tomatoes declined by 20 percent, so this year production of tomatoes is 80% of 140 pounds.

$\frac{80}{100}\times 140=0.80\times 140=112$

Since the production, be weight, of raspberries declined by 50 percent, so this year production of raspberries is 50% of 30 pounds.

$\frac{50}{100}\times 60=0.50\times 60=30$

Total production this year: $112+30=142$ pounds.

Now, we will percent decrease formula.

$\text{Percent decrease}=\frac{\text{Initial value-Final value}}{\text{Initial value}}\times 100$

$\text{Percent decrease}=\frac{(140+60)-142}{140+60}\times 100$

$\text{Percent decrease}=\frac{(200)-142}{200}\times 100$

$\text{Percent decrease}=\frac{58}{200}\times 100$

$\text{Percent decrease}=0.29\times 100$

$\text{Percent decrease}=29$

Therefore, the total yield, by weight, of Boyd's garden declined by 29%.

5 0

3 years ago

ASAP!! What is the parabola’s line of symmetry? <br> y-axis <br> x-axis <br> x = p <br> x = -p

Nat2105 [25]

Answer:

y-axis

Step-by-step explanation:

..................

3 0

3 years ago