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grandymaker [24]
3 years ago
10

NEED HELP AGAIN ASAP

Mathematics
2 answers:
SpyIntel [72]3 years ago
4 0
If you want to solve for L instead of A, you must divide the area by the width instead.

It would look like this:  A = LW
                                    LW = A
                                    LW/W = A/W
                                    L = A/W

kobusy [5.1K]3 years ago
3 0
a \: = lw \: \\ by \: transposition \: \\ lw \: = a \\ l \: = \frac{a}{w}
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The temperature was -3 C last night. It is now -4 C. What was the change in temperature
natulia [17]

-1 C, that's the only logical answer I can think of. Or does it have to be in F?

6 0
3 years ago
What is 10% of 50? <br> A. 6.75<br> B. 7.5<br> C. 10.5 <br> D. 5.25
nirvana33 [79]

Its 5. Its none of those.

10% of 50.00 = 5.0000

5 0
3 years ago
AARP reported on a study conducted to learn how long it takes individuals to prepare their federal income tax return (AARP Bulle
Crank

Answer:

Confidence interval: (30.1,36.9)

Step-by-step explanation:

We are given the following data set:

35.3,30.5,37.4,26.5,13.0,49.9,28.8,44.0,61.6,0.5,40.5,34.9,47.9,36.6,24.1,39.8,47.8,18.5,36.6,39.2,14.5,37.3,40.5,49.3,45.5,28.3,19.5,5.6,52.6,41.4,45.3,39.0,33.7,29.4,14.5,40.1,33.7,36.9,5.6,33.7

Formula:

\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}  

where x_i are data points, \bar{x} is the mean and n is the number of observations.  

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

Mean =\displaystyle\frac{1339.9}{40} = 33.5

S.D = 11(given)

n = 40

Confidence interval:

\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}

Putting the values, we get,

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

33.5 \pm 1.96(\frac{11}{\sqrt{40}} ) = 6.34 \pm 3.4 = (30.1,36.9)

6 0
3 years ago
Which of the following statements are true ? Check all that apply
Elden [556K]

Answer:

Options A) and E)

Step-by-step explanation:

If you use Ruffini's method for polynomials, you can find the roots.

The given picture shows us the first root of the polynomial 5x^{2}-16x+12=0 wich is 2.

Thus, the original polynomial can be written as

(x-2)*(5x-6)=0

Here, you can notice that (x-2) is a factor

3 0
3 years ago
$35.24<br> with a<br> 20% tip
adelina 88 [10]
$42.29
Multiply $35.24 by .2 and add that to the original bill.
4 0
3 years ago
Read 2 more answers
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