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alexira [117]
3 years ago
15

What is -2(5+6m) + 16 = -90 ? Can you please show with detail

Mathematics
1 answer:
GarryVolchara [31]3 years ago
4 0

Answer:

m = 8

Step-by-step explanation:

-2(5 + 6m) + 16 = -90

Start by distributing -2 inside the parentheses. This means you will multiply everything inside the parentheses (5 + 6m) by -2.

-10 - 12m + 16 = -90

Simplify the left side of the equation by combining like terms.

6 - 12m = -90

Subtract 6 from both sides of the equation to isolate the term containing the variable m and to move all other terms to the other side (right) of the equation.

-12m = -96

Divide both sides of the equation by -12 to isolate and solve for m.

m = 8

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Lin runs 5 laps around a track in 8 minutes.
andrezito [222]

Answer:

To run one lap Lin takes 1.6 minutes.

Step-by-step explanation:

To find this answer you would do 8 divided by 5. Always remember when dividing time goes first unless the instructions / directions / your teacher says differently. So, when you do 8 divided by 5 the answer you get is 1.6, and there is your answer. Also to check your answer you can do 1.6 times 5, and you get 8, so you know that 1.6 is the correct answer.

5 0
3 years ago
PLEASe help 30POINTS<br><br> What is the length of segment AB ?
lesya692 [45]

Answer:

\sqrt{74}

Step-by-step explanation:

<u>Distance between two points</u>

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

\textsf{let}\:(x_1,y_1)=(2,-6)

\textsf{let}\:(x_2,y_2)=(7,1)

d=\textsf{length of segment AB}

Substituting points into the distance formula and solving for d:

\implies d=\sqrt{(7-2)^2+(1-(-6))^2}

\implies d=\sqrt{5^2+7^2}

\implies d=\sqrt{25+49}

\implies d=\sqrt{74}

7 0
2 years ago
Read 2 more answers
What’s 448+1.75+80.3 step by step
Serga [27]

Answer:

530.05

Step-by-step explanation:

you add 448 and 1.75 together, which is 449.75, then you add 449.75 and 80.3 together, which adds up to 80.3 hope this helps :)

6 0
3 years ago
How do you solve 30 and 31
Westkost [7]

Answer:

(#30) 1.12 miles

Step-by-step explanation:

9.7x.75=7.27

r=7.27

8.2x.75=6.15

e=6.15

7.27-6.15=1.12

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NemiM [27]

Answer: Whoever read the 15 pages before read the most.


Step-by-step explanation:


6 0
3 years ago
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