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Brrunno [24]
3 years ago
15

8) Solve the equation for m 7m-(5m-12) =8+2m+4

Mathematics
1 answer:
storchak [24]3 years ago
6 0

Answer:

no solution

Step-by-step explanation:

7m-(5m-12)= 8+2m+4

2m+12= 2m+4

no solution

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An airplane travels 800 miles with the wind in the same of time it takes to travel 650 miles against the wind. What is the speed
SOVA2 [1]

Answer:

90 mph

Step-by-step explanation:

Against wind DATA:

distance = 600 miles ; time = 5 hrs. ; rate = 600/5 = 120 mph

With wind DATA:

distance = 600 miles ; time = 2 hrs ; rate = 600/2 = 300 mph

Equations:

p + w = 300

p - w = 120

2p = 420

p = 210 mph (speed of the plane in still air)

Since p+w = 300, w = 300-210 = 90 mph (speed of the wind)

3 0
3 years ago
Answer choices<br> a<br> b<br> c<br> d
Margaret [11]

Answer:

<u><em>Either A or D</em></u>

Step-by-step explanation:

<u><em>I got It right Hope it helps this you guys</em></u>

8 0
3 years ago
Which equation shows y=34x−52y=34x−52 in standard form?
Nonamiya [84]
<span>y=34x−52
34x - y - 52 = 0</span>
3 0
3 years ago
PLS ANSWER THIS ASAP WILL MARK BRAINLIEST!!!!
Morgarella [4.7K]

Answer:

x=27

Step-by-step explanation:

The formula for the volume of a pyramid is L*W*H/3

We know all three, being x, x, and x/9

So after we plug those in, we see that x^3/27 = 27

then solving for x we get √27*27 which is 27

Please Vote me brainly, it really helps, and i hope i helped you.

5 0
3 years ago
3x-15+10m-2x ; x=5 and m=7 <br> evaluate the expression for the given value of the variable.
lianna [129]
3(5)-15+10(7)-2(5)
15-15+70-10
=60
The answer is 60
3 0
3 years ago
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