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Bas_tet [7]
3 years ago
12

4x + 2(x - 5) - 3(2x -4)

Mathematics
1 answer:
Olegator [25]3 years ago
5 0

Answer:

2

Step-by-step explanation:

Pull out like factors :

  2x - 4  =   2 • (x - 2)

(4x +  (2 • (x - 5))) -  6 • (x - 2)

 (4x +  2 • (x - 5)) -  6 • (x - 2)

Final Answer:

2

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Michael is twice as old as Ann. If 14 is added to Ann’s age and 22 is subtracted from Michael’s age, their ages will be equal. W
Digiron [165]

Answer: Michael is 72 while Ann is 36.

Step-by-step explanation: Let X represent Michael's age and Y represent Ann's. From the first sentence,

Y=2X. (eqn 1)

14+X=Y-22 (eqn 2)

X-Y=-22-14

X-Y=-36; But Y=2X.

Therefore, X-2X=-36; -X=-36; X=36. Hence, Y=2*36; Y=72.

5 0
3 years ago
In an arboretum, the heights of five trees were 21 feet, 31 feet, 36 feet, 28 feet,
lbvjy [14]

Answer:

26

Step-by-step explanation:

(21+31+36+28+26+x)/6=28

21+31+36+28+26+x= 28×6

142+x =168

x=168-142

x=26

6 0
3 years ago
What is the volume of the prism to the nearest whole unite 12x8x4
zaharov [31]
Hi there!

To find the volume of a rectangular prism, we need to multiply the dimensions together.

12×8×4 = 384

So, the answer is
384 \: {units}^{2}

Hope this helps!
7 0
3 years ago
a patient is to take 4 1/4 tablespoons of medicine per day in 5 equally divided doses. how much medicine is to be taken in each
Inga [223]
Okay. So we have to do division, because you're dividing 4 1/4 (17/4) tablespoons of medicine by 5 doses. The formula for multiplying fractions is keep, change, flip. 17/4 * 1/5 is 17/20. 17/20 tablespoon of medicine is supposed to be taken in each dose.
7 0
3 years ago
PLZ HELP ;-;
Vaselesa [24]
The answer is x=6 and y=4.

6+4=10

and 8 times 6 + 12 times 4 is 96.
4 0
3 years ago
Read 2 more answers
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