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Alja [10]
3 years ago
9

Select all expressions that are equivalent to 2( - 2x + 5) +x

Mathematics
1 answer:
Firdavs [7]3 years ago
3 0

Answer:

2) -3x+10

4) -4x+10+x

Step-by-step explanation:

Use the distributive property to get rid of the parentheses.

(2 × -2x) + (2 × 5) + x

-4x + 10 +x is correct, but the x's can be combined.

(-4x + x) + 10 = -3x + 10

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EastWind [94]

Answer:

$700 a 30%

Step-by-step explanation:

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6 0
3 years ago
What is the value of x in the equation x + 24. 5 =34. 8
ser-zykov [4K]

Answer:

x = 10.3

Step-by-step explanation:

x + 24. 5 = 34.8

  - 24.5   - 24.5

x = 10.3

Check your answer:

x + 24. 5 = 34.8

10.3 + 24.5 = 34.8

34.8 = 34.8

Hope this helps!

3 0
2 years ago
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Jim needs to mix a medication with water to make the appropriate solution. The medications says to mix 3 oz of medication with 5
skelet666 [1.2K]

Answer:

38 or 38.33 cups of water.

Step-by-step explanation:

You need 5 cups of water for every 3 ounces of medication. We can set up a proportion: #oz of medication/#cups of water= #oz of medication/# cups of water. We can plug in some numbers from the problem.

3/5=23/n. You can use any variable, but I'm using n for how many cups of water Jim will need for 23 ounces of medication.

We can cross multiply: 3*n=5*23.

3n=115

We divide both sides by 3.

n=38.3333333.......

Rounding to the nearest whole number, Jim will need 38 cups of water, or 38.33 cups if you're rounding to the nearest hundredth.

Hope this helps :)

6 0
3 years ago
Which of the following is a measure of spread?
Triss [41]

Answer:

1....... range...............

6 0
3 years ago
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PLEASE PLEASE HELP IVE BEEN DOING THIS FOR AN HOUR​
lbvjy [14]

Answer:

Use: sin

h= 78.8

Step-by-step explanation:

6 0
3 years ago
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