3 years ago

3(m+15)=5(m-10)+35 HELP

Mathematics

1 answer:

jarptica [38.1K]3 years ago

8 0

<h2>Answer:</h2><h2>m = 30</h2><h2></h2><h2>Hope this helps!!!</h2>

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lesya692 [45]

Answer:

She will get back $16.49

Explanation:

3.25+0.26=$3.51

$20-$3.51=$16.49

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3 years ago

Please help me!!!!!!!!!!!

Genrish500 [490]

Answer:

(5,0) and (1,0)

Step-by-step explanation:

you can set each factor equal to zero:

-x + 5 = 0

-x = -5

x = 5

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2 years ago

<img src="https://tex.z-dn.net/?f=0%20%3D%20%20%20-%204.9t%20%7B%7D%5E%7B2%7D%20%20%2B%2027t%20%2B%202.4" id="TexFormula1" title

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$0 = - 4.9t {}^{2} + 27t + 2.4$
Convert decimals to fractions

$0 = - \frac{49}{10} t {}^{2} + 27t + \frac{12}{5}$
Multiply both sides by 10

$0 = - 49t {}^{2} + 270t + 24$
Move expression to the left.

$0 + 49t {}^{2} - 270t - 24 = 0$
Remove zero.

$49t {}^{2} - 270t - 24 = 0$ Solve the quadratic equation.

$t = \frac{ - ( - 270) + - \sqrt{( - 270) {}^{2} - 4 \times 49 \times ( - 24) } }{2 \times 49}$
Remove parenthesis and calculate.

$t = \frac{270 + - \sqrt{72900 + 4704} }{98}$
Add the numbers

$t = \frac{270 + - 77604}{98}$
Separate the solutions

$t = \frac{270 + \sqrt{77604} }{98} \\ t = \frac{270 - \sqrt{77604} }{98}$
The final solution are
$t1 = \frac{270 - \sqrt{77604} }{98} , t2 = \frac{270 + \sqrt{77604} }{98}$

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3 years ago

The steps below show the incomplete solution to find the value of x for the

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Answer:

x=5 use its a great source

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3 years ago

A landscaper is building a brick wall. When he starts for the day, the wall is already 2 bricks high, and he builds up the wall

stiv31 [10]

Answer:

187 layers after 37 hours.

Step-by-step explanation:

since there is 5 very hour and you already have 2 brick layers high your gonna take 5•37+2=187

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3 years ago