3 years ago

What is 4.5w=5.1w-30 step by step?

Mathematics

1 answer:

MA_775_DIABLO [31]3 years ago

6 0

Correct me if I’m wrong

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Solve for x. The triangles in each pair are similar.

pishuonlain [190]

Start off by knowing that the two triangle are congruent. By knowing this you can turn the given numbers into fractions.

9/72 = 7/7x+7

then cross multiply, which equals

63x + 63 = 504

then solve this equation

63x = 441 - subtract 63 from both sides
x = 7 - divide by 63 from both sides

so your answer is x=7

6 0

3 years ago

Carrie sent 190 total text messages in the first

ratelena [41]

190 / 5 = 38
38 * 31 = 1178
1178 * 4 = 4712
= $47.12

8 0

2 years ago

How do I answer this question

soldi70 [24.7K]

The answer is C. 2.

This is because the part that is inside of the parentheses is equal to 4. Multiplying the fractions in the numerator is equal to $4^\frac{3}{2}$ .

$\frac{4^\frac{3}{2}}{4^\frac{1}{2}}=4.$ , using the exponential rule 3/2-1/2=2/2 or 1. 4^1=4.

Now, we reduced the fraction, so all that is left is $(4)^\frac{1}{2}$ . This is equal to 2.

So your answer is 2.

I hope this helps :)

8 0

3 years ago

Read 2 more answers

jasmine wants to build a 2 5/6 meter long garden path paved with square stones that measure 1/4 meter on each side there will be

patriot [66]

$2 \frac{5}{6}*2= \frac{17}{6}* \frac{2}{1} = \frac{17}{3}= 5\frac{2}{3}$

$5 \frac{2}{3}: \frac{1}{4}= \frac{17}{3}* \frac{4}{1}= \frac{68}{3} =22 \frac{2}{3}$

23 stones will be needed
(you have to round up, since you can't have a fraction of a stone)

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2 years ago

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Two planes leave an airport at the same time. Each flies at a speed of 110 mph. One flies in the direction N 60° E. The other fl

Dmitriy789 [7]

40^2 is how far apart the planes are after three hours travel

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2 years ago