I will give brainlist if you answer all these questions please! I promise I will :))

Mathematics

1 answer:

lawyer [7]3 years ago

4 0

2. C
3. C
4. C

(all answers are c)

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I am so very confused, answers please.

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A substance used to dissolve other substances is which of the following?

slavikrds [6]

A substance used to dissolve other substances is a solvent. Saturation is how much solute is in a solution. Solubility is a measure of how much solute can dissolve in a given solvent. A solute is that which is dissolved.

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Simplify the expression: –3(–7 + 3z)

aleksandrvk [35]

Hey there! I'm happy to help!

We want to multiply each term inside the parentheses by the number on the outside.

-3(-7)=21

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Therefore, our expression is 21-9z.

Now you know how to use the distributive property! Have a wonderful day! :D

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4 years ago

If sin θ = 7 over 25, use the Pythagorean Identity to find cos θ. cos θ = ± 17 over 24 cos θ = ± 17 over 25 cos θ = ± 24 over 25

elena-s [515]

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3 years ago

A is a graph that is unbroken

vichka [17]

Answer:A function whose graph is an unbroken line or curve with no gaps or breaks. Direct Variation

Step-by-step explanation:

A function whose graph is an unbroken line or curve with no gaps or breaks. Direct Variation. A linear relationship between two variables, x and y, that can be written in the form y=kx, where k is a nonzero constant. Discontinuous Function. A function whose graph has one or more jump, breaks, of holes.

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