3 years ago

How does writing an equation help you solve a problem?

Mathematics

1 answer:

vredina [299]3 years ago

8 0

So you wont forget what you wrote and it helps you to figure out the problem. I hope this helps.

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Show that 7x + 1 is equivalence to 2(2x - 1) + 3(x + 1)

marissa [1.9K]

7x + 1 = 2(2x - 1) + 3(x + 1)

7x + 1 = 4x - 2 + 3x + 3

7x + 1 = 7x + 1

Please mark brainliest if right!

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1 year ago

Read 2 more answers

A 20-oz iced tea at a certain restaurant has 90 calories. How many calories are there in a 36-oz iced tea?

kvv77 [185]

Answer:

the answer is 230 calories :)

Step-by-step explanation:

divide 160 by 16 to find out how much 1-oz is then times it by 23 to get the amount of calories in 23-oz. There you go I hope it helps :)

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3 years ago

Is percent of change less than 100

Ivanshal [37]

You can't change more than 100 percent

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3 years ago

Y-2=-3(x-7) written in standard form

uysha [10]

Y=2-3(x-7)
You just add +2 to each side and the positive and negative cancel out and it switches it over

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2 years ago

PLSSS<br><br> C= <img src="https://tex.z-dn.net/?f=%5Cfrac%7B12%5E%7B3%7D%20.%206%5E%7B5%7D%20%7D%7B9%5E%7B4%7D%20.%202%5E%7B10%

Rudiy27

Answer:

Step-by-step explanation:

The trick here is to reduce each of the bases to lowest form first

$12 = 3.4 = 3 .2.2 = 3.2^{2}\\12^{3} = (3.2^{2} )^{3} = 3^{3}2^{6} \\6 = 3.2\\6^{5} = (3.2)^{5} = 3^{5} .2^{5} \\\\Numerator = 3^32^63^52^5 = 3^82^{11}\\Denominator computation\\9 = 3^2\\9^{4} = (3^{2} )^4 = 3^{8} \\Denominator = 3^82^{10} \\\\\frac{Numerator}{Denominator } =\frac{{3^8}{2^{11} }}{3^82^{10}} = \frac{2^{11}} {2^{10}} = 2^1 = 2$

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2 years ago