3 years ago

Which of the following functions has a rate of change of 5?(2 points)

Mathematics

1 answer:

topjm [15]3 years ago

8 0

Answer:

f(5)=225 and f(10)=250

Step-by-step explanation:

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Pattie buys a handbag that costs 240 dollars and a scarf that costs 86 dollars. If sales tax is 7%, what is the total purchase p

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Answer:

$348.82

Step-by-step explanation:

240 +86=326

326× 7%= 22.82

326+22.82= $348.82

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4 years ago

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Write an expression in simplest form for the area of a rectangle with length 6c meters and width 2 meters.

zloy xaker [14]

Answer:

12c square meters

Step-by-step explanation:

We know that

Area of a rectangle = length (L)× width(w)

Here it is given that length ,and width of the rectangle is 6c meters and 2 meters respectively.

Therefore, required area of the rectangle = 6c × 2 = 12c square meters.

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3 years ago

there are 8 quarts in a peck and 4 pecks in one bushel.What is the first thing you need to do if you are asked to find how many

emmasim [6.3K]

Answer: 96

Step-by-step explanation:

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3 years ago

Prove that the value of the expression does not depend on the variable x:

Leviafan [203]

Answer:

See below

Step-by-step explanation:

If an expression is not dependent on x, it simplified form must not contain x. To show that this is the case for (a) and (b) we need to simplify them and assess:

(a)

$(x-5)(x+8)-(x+4)(x-1)=\\=x^2-5x+8x-40-x^2-4x+x+4=-36$

Indeed, does not depend on x!

And (b)

$x^4-(x^2-1)(x^2+1)=x^4-x^4+x^2-x^2+1=1$

Again, does not depend on x.

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3 years ago