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nadezda [96]
3 years ago
7

Diketahui f: x = 4x - n. jika f(3) = 18, nilai f(-3)= . . . . .

Mathematics
1 answer:
Natali [406]3 years ago
8 0
I hope this helps you

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The regular price of an aquarium is $70 and the sale price is $60. what is the percent of discount? (percent of change!!)
Naddik [55]
Let's take the difference between the old and new (70 - 60) to get 10 and then divide this by the old (70) amount...10/70 = .142857 convert to a percent by moving the decimal 2 spaces to the right...  14.29 %
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3 years ago
A farmer owns about 960 acres of land. If his farm is square, what would be the length of each side in miles, to the nearest ten
OLEGan [10]

It is given in the question that

A farmer owns about 960 acres of land. If his farm is square.

First we convert acres to miles square, and the conversion expression is

1 acre=0.0015625 mi^2

Therefore,

960acres=960*0.0015625=1.5 mi^2

Let the side length of the square be x miles .

And the formula of area of square is

Area=side^2
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1.5=side^2
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5 0
3 years ago
Write as an equation: If a number is decreased by five, and then the result is multiplied by two, the result is 26.
kvasek [131]

Answer:

18

Step-by-step explanation:

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5 0
2 years ago
Can some one help me plz with step by step<br> x^2 + x - 42
Alexeev081 [22]

Answer:

x = 6 or x = -7

Step-by-step explanation:

Solve for x over the real numbers:

x^2 + x - 42 = 0

The left hand side factors into a product with two terms:

(x - 6) (x + 7) = 0

Split into two equations:

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Add 6 to both sides:

x = 6 or x + 7 = 0

Subtract 7 from both sides:

Answer: x = 6 or x = -7

3 0
3 years ago
What is the volume of the pyramid in the diagram?
AnnZ [28]

Answer:

Step-by-step explanation:

Wheres the diagram??

Incomplete q

8 0
2 years ago
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