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3 years ago

Please Help, My answer was incorrect

Mathematics

1 answer:

leva [86]3 years ago

6 0

Answer:

4x + 3 = 7x -6

x = 3

Q = 3

not sure...

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Equivalent ratio

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Answer:

D.) 1:6

E.) 8:48

Step-by-step explanation:

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Write the equation of the linear relationship in slope-intercept form, using decimals as needed.

masha68 [24]

Answer:

$y=0.95x+2.5$

Step-by-step explanation:

we know that

The linear equation in slope intercept form is equal to

$y=mx+b$

where

m is the slope

b is the y-intercept

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

take the points

(0,2.5) and (100,97.5)

substitute in the formula

$m=\frac{97.5-2.5}{100-0}$

$m=\frac{95}{100}$

$m=0.95$

Find the y-intercept b

we have

$m=0.95$

$point\ (0,2.5)$

substitute i the linear equation $y=mx+b$

$2.5=0.95(0)+b$

solve for b

$b=2.5$

Note It was not necessary to calculate the value of b because the value is given in the table

Remember that the y-intercept is the value of y when the value of x is equal to zero (the y-intercept is the point (0,2.5))

The linear equation is

$y=0.95x+2.5$

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3 years ago

What is the value of the equation f(x) =2x -3x +7 when x equals 2

Ber [7]

Answer:

Step-by-step explanation:

f(x) = 2x - 3x + 7

Plug in 2 every time you see an x within the equation: x = 2

f(2) = 2(2) - 3(2) + 7

f(2) = 4 - 6 + 7

f(2) = -2 + 7

f(2) = 5

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3 years ago

Distribute and simplify these radicals. 23.(2+3) A.26 +6 B.2.15 C.30 D.62 +6

netineya [11]

Answer:

Step-by-step explanation:

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3 years ago