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3 years ago

I need help with this

Mathematics

1 answer:

Nezavi [6.7K]3 years ago

7 0

Answer:

A number with the exponent (5/3) is same as the cube root of the number raised to 5th power

Step-by-step explanation:

$8^{\frac{5}{3}}=8^{\frac{1}{3}*5}=(8^{\frac{1}{3}})^{5) = (\sqrt[3]{8} )^{5}$

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Factor. 28 - 4u I don’t know how to factor 28-4u so if anyone can help thank you

Sedaia [141]

Answer: 4(7-u)

Step-by-step explanation:

In order to factor, you have to find the GCF (Greatest Common Factor)

28:1, 28, 2, 14, 4, 7

4:1, 4, 2

The greatest common factor here is 4.

You can factor out 4 from this equation, therefore making it 4(7-u)

3 0

2 years ago

Penny reads 13 pages in 1/2 hour. What is the unit rate for pages per hour? For hours per page? How many hours per page

horsena [70]

Answer:

13 pages : 1/2 hour Multiply both sides by 2

26 pages : 1 hour ------>> 26 pages/hr

Flip over 26 pages/hr ----->>> hr / 26 pages = 1 hr / 26 pages

Split up the fraction: (1/26) hr / page

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2 years ago

Read 2 more answers

Describe the Glide Reflection from the preimage triangle in Black to the image triangle and red

cestrela7 [59]

We want the final coordinate of K to become (-3,1). If you reflect across the y-axis, you transform

$(x,y)\mapsto(-x,y)$

So, we need to move K to (3,1), and then reflect it across the y-axis. Since K starts at (-1,4), we have to move it 4 units to the right and 3 units down.

4 0

2 years ago

A map has a scale of 1 in: 25 mi. Two cities are 175 mi apart. How far apart are they on the map?

myrzilka [38]

Ratio = 1/25
Let, the distance b/w cities on map = x

It would be: 1/25 = x/175
x = 175/25
x = 7

In short, Your Answer would be 7 in

Hope this helps!

4 0

2 years ago

find the ratio which are the points p(X,2) divides the line segment joining the point a(12,5) and b(4,-3) also find X plz give a

chubhunter [2.5K]

Answer: ratio a:b = 3:5 p(X, 2) = p(9, 2)

Step-by-step explanation:

Plot points a = (12, 5) and b = (4, -3) and draw a line segment from a to b.

Notice that when y = 2, X = 9 so point p = (9, 2) see graph

The distance from a to p = 3√2

The distance from b to p = 5√2

So the ratio of a:b = 3√2:5√2 = 3:5 when simplified

To find the distance, use the distance formula OR pythagorean theorem.

7 0

3 years ago