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aleksklad [387]
2 years ago
15

If 2m = 4x and 2w = 8x, what is m in terms of w?

Mathematics
2 answers:
Mariana [72]2 years ago
6 0
2^m=2^n  take the natural log of both sides

m*ln2=n*ln2  divide both sides by ln2

m=n
CaHeK987 [17]2 years ago
6 0
You can simply divide the eqution or you substitute the value of x in any equation.

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A regular octagon has an apothem measuring 10 in. and a perimeter of 66.3 in. What is the area of the octagon, rounded to the ne
Lerok [7]

Answer:

332in^2

Step-by-step explanation:

The area of a regular polygon is calculated using the formula;

Area=\frac{1}{2}ap

where a is the apothem and p is the perimeter.

It was given that, the apothem is, a=10in. and the perimeter is p=66.3 in.

We substitute into the formula to obtain;

Area=\frac{1}{2}\times10\times66.3in^2

Area=331.5in^2

To the nearest square inch, we have;

Area=332in^2

4 0
2 years ago
Read 2 more answers
A local trucking company fitted a regression to relate the travel time (days) of its shipments as a function of the distance tra
alina1380 [7]

Answer:

1.734

Step-by-step explanation:

Given that:

A local trucking company fitted a regression to relate the travel time (days) of its shipments as a function of the distance traveled (miles).

The fitted regression is Time = −7.126 + .0214 Distance

Based on a sample size n = 20

And an Estimated standard error of the slope = 0.0053

the critical value for a right-tailed test to see if the slope is positive, using ∝ = 0.05 can be computed as follows:

Let's determine the degree of freedom df = n - 1

the degree of freedom df = 20 - 2

the degree of freedom df =  18

At the level of significance ∝ = 0.05 and degree of freedom df =  18

For a right tailed test t, the critical value from the t table is :

t_{0.05, 18} = 1.734

5 0
2 years ago
28. $400 is divided between Kas, Jaspar and Jae so that Kas has twice
Inga [223]

Let's define our variables before anything else:

Kas = S

Jaspar = R

Jae = E

$400 is divided between Kas, Jaspar and Jae

This means S + R + E = 400

Kas has twice  as much as Jaspar

This means that S = 2R

Jaspar has three times as much as Jae

This means that R = 3E

Because both of our smaller formulas have R, let's replace everything in the first formula with R

S + R + E = 400

plug in values

2R + R + R/3 = 400

multiply everything by 3 to get rid of the denominator

6R + 3R + R = 1200

add

10R = 1200

divide

R = 120

So Jaspar receives $120

3 0
2 years ago
there are 96 carrots in a bag. the carrots are shared among three children in the ratio 4:5:7. find the smallest share
mars1129 [50]
Lets make it
4x+5x+7x=96
so we can tell the smallest share is 4x
then we 16x=96
96 divided by 16, we get x=6
so the smallest share is 4x6=24
hope it can help
8 0
2 years ago
Mrs. Long keeps 25 books on her shelf for her students to read. Six of the books are non-fiction.
dedylja [7]

Answer:24%

Step-by-step explanation:

6 divided by 25 is .24

4 0
2 years ago
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