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natita [175]
3 years ago
14

Which expression is equivalent to 4?

Mathematics
1 answer:
Alenkinab [10]3 years ago
3 0

Answer:

c-10-(4+2)

Step-by-step explanation:

I don't know the answer choices because this is the correct answer

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For what values of x is the inequality below true?<br> 6x-2 ≥ 10
ankoles [38]

Answer:

x\geq2

Step-by-step explanation:

You add 2 to both sides. Then you divide everything by 6. Hope this helps!

8 0
3 years ago
Brine is a solution of salt and water. If a tub contains 50 gallons of a 5% solution of brine, how much water must
Nuetrik [128]

Let w be the amount of water that evaporates. At the start, the solution in the tub consists of 2.5 gallons of salt (5% of 50 gallons). After w gallons of water evaporates, we're left with a solution with total volume 50-w gallons, and 8% of this amount should be salt, or 0.08(50-w) gallons of salt. The amount of salt in the tank before and after evaporation remains unchanged, so

2.5=0.08(50-w)\implies2.5=4-0.08w\implies0.08w=1.5\implies\boxed{w=18.75}

gallons of water need to be evaporated.

8 0
3 years ago
2-27–89-76–99 how in which way do I answer this
Alexeev081 [22]

you answer it the right way

8 0
2 years ago
I need MATH HELP!! I cant understand!
SSSSS [86.1K]

Answer:

Step-by-step explanation:

X( -9 , 2)  & Y(5 , -4)

distance = \sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}\\\\XY=\sqrt{(5-[-9])^{2}+(-4-2)^{2}}\\\\=\sqrt{(5+9)^{2}+(-6)^{2}}\\\\=\sqrt{(14)^{2}+(-6)^{2}}\\\\=\sqrt{196+36}\\\\=\sqrt{232}\\\\= 15.23

4 0
2 years ago
What is the scale factor of a triangle with a vertex of A(-6,4) that has been dilated with the center of dilation at the origin
swat32

Answer:

The scale factor is 4

Step-by-step explanation:

* Lets talk about dilation

- A dilation is a transformation that changes the size of a figure.

- It can become larger or smaller, but the shape of the

 figure does not change.

- The scale factor, measures how much larger or smaller

  the image will be

- If the scale factor greater than 1, then the image will be larger

- If the scale factor between 0 and 1, then the image will be smaller

* In the problem

- The vertex A of the triangle is (-6 , 4) and its image A' is (-24 , 16)

∵ -24 ÷ -6 = 4

∵ 16 ÷ 4 = 4

∴ The scale factor is 4

∵ 4 > 1

∴ The image of the triangle will be larger

* The scale factor is 4

8 0
3 years ago
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