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Yuliya22 [10]
3 years ago
9

Can someone help me?

Mathematics
2 answers:
Marina86 [1]3 years ago
8 0
M = -3, hope it was helpful! :)
Pani-rosa [81]3 years ago
5 0

Answer: m=−3

Step-by-step explanation: −40−2(3m+1/2)=7m−2

−40+(−2)(3m)+(−2)(1/2)=7m+−2

−40+−6m+−1=7m+−2

(−6m)+(−40+−1)=7m−2

−6m+−41=7m−2

−6m−41−7m=7m−2−7m

−13m−41+41=−2+41

−13m/−13=39/−13

m=−3

What mistake I guess Keith did make is he subtracted 2 from -39 which equaled to -37 which caused him divide -37 by 13 when it should have been 39 divided by 13 because he should have left 39 alone and not have subtracted 2 from it also it should not have been negative basically what I'm trying to say is that he did his division and subtraction wrong.

 

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A sea bird is 28 meters above the surface of the ocean.What is its elevation?
Citrus2011 [14]

Answer:

91.8 ft above sea level

Step-by-step explanation:

Note that 1 meter is approx. 3.28 feet.

Converting 28 meters to feet is accomplished by multiplying 28 m by the conversion factor 3.28 ft  /  1 m:

28 m     3.28 ft

-------- * ----------- = 91.8 ft above sea level

  1           1 m

4 0
3 years ago
????? Anyone that can help giving 10 points
katen-ka-za [31]

Step-by-step explanation:

we know that perimeter of triangle is equals to side + side + side

but we can see that the particular triangle is having all the sides equal so it is seen to be equal lateral triangle and formula of equilateral triangle is 3 × sides.....

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13.8cmsq. Answer

6 0
3 years ago
Malachi bought a new fishing rod. The regular price of the fishing rod was $125.99. He bought it on sale with a 15% discount. Sa
Volgvan

If the discount is 15 percent, he still pays (100-15) or 85%

125.99 * 85%

125.99 * .85 = 107.09  is the price he pays for the rod

107.09 * .03 =3.21 is the sales tax

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8 0
4 years ago
20 points. Help. No links. Ty :)
Andrej [43]

\huge\boxed{Answer\hookleftarrow}

334

\huge\boxed{Explanation\hookleftarrow}

10 × 4 × 7 = 280

3 × 3 × 6 = 54

280 + 54 = 334

\huge\boxed{Mark -Brainliest\hookleftarrow}

6 0
3 years ago
PLEASE ANSWER ITS DUE SO SOON
geniusboy [140]

the line is negative because it goes down as you move right

slope = rise/run = 4/2 = 2

y = 2x+b

use a point on the line - I picked (-4, 3)

3 = 2(-4)+b

3 = -8+b

11 = b

<h2>y = 2x +11</h2>
8 0
3 years ago
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