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ANTONII [103]
3 years ago
5

Need help can’t figure this question out

Mathematics
1 answer:
Nostrana [21]3 years ago
4 0

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Given the function f(x)= √x+7, find the value of x when f(x)=1
solniwko [45]
F(x) = 1, so we make the entire equation equal 1.

1 = sqrt(x) + 7

To make x by itself subtract 7 from both sides

-6 = sqrt(x)

Square both sides to remove sqrt from x.

36 = x

The value of x is 36
7 0
3 years ago
A bag of M&Ms have eight red 10 brown and six green what color are in the ratio of 5:3
son4ous [18]

Answer:

BROWN & GREEN

Step-by-step explanation

6 : 8 : 10

divide above ratio by 2

3 : 4 : 5

green : red : brown

3 : 5

green : brown

8 0
3 years ago
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Cross-multiplication is helpful in: a. quadratic equations c. linear equations b. solving proportions d. word problems
Romashka [77]

Answer:

Cross multiplying fractions helps us to see if numbers are equal, and if not, which is bigger and which is smaller. But that is not its only use. Cross multiplying fractions can help us to solve for unknown variables in fractions.

Step-by-step explanation:

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1 year ago
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PLEASE HELP MEEEEE
Elena-2011 [213]

Answer:

a = 36 and a = 27

Step-by-step explanation:

The geometric mean of two numbers is the square root of the product of the two numbers.

Say for example we have the numbers x and y, the geometric mean z is mathematically;

z = √xy

For the first question, our z is 12, x and y are 4 and a respectively.

12 = √4a

square both sides

144 = 4a

a = 144/4

a = 36

For the second question

z is 9, x and y are 3 and a respectively

9 = √3a

square both sides

81 = 3a

a = 81/3

a = 27

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3 years ago
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Charra [1.4K]

Answer:

1.1/8

2.because multiply the numerator by the reciprocal of the denominator

Step-by-step explanation:

5 0
3 years ago
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