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3 years ago

This is a middle school question Solve for x. 1.2(x - 4.4 ) + 7 < 16 plssss hurry

Mathematics

1 answer:

Tatiana [17]3 years ago

8 0

Answer: x < 11.9

Step-by-step explanation:

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F(-4)=8 and f(-1)=4 write the linear equation

kobusy [5.1K]

$f(-4)=8\to(-4,\ 8)\\\\f(-1)=4\to(-1,\ 4)$

The point-slope formula of a line:

$y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}$

Substitute:

$m=\dfrac{4-8}{-1-(-4)}=\dfrac{-4}{3}=-\dfrac{4}{3}\\\\y-8=-\dfrac{4}{3}(x-(-4))\\\\y-8=-\dfrac{4}{3}x-\dfrac{16}{3}\ \ \ \ |+8\\\\y=-\dfrac{4}{3}x-\dfrac{16}{3}+\dfrac{24}{3}\\\\y=-\dfrac{4}{3}x+\dfrac{8}{3}\ \ \ |\cdot3\\\\3y=-4x+8\ \ \ |+4x\\\\4x+3y=8$

The slope-intercept form: $y=-\dfrac{4}{3}x+\dfrac{8}{3}$

The standard form: $4x+3y=8$

7 0

3 years ago

Who is correct Alex or sophia and why?

cricket20 [7]

Answer:

alex

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

A rectangle’s length is 5 inches more than twice its width. Its area is 50 square inches. Which equation can be used to find its

pav-90 [236]

A=LW
L=5+2W
A=50

50=LW
sub 2W+5 for L
50=(2W+5)W

answer is the 3rd equation

4 0

3 years ago

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Describe a scenario for 1/2 ÷ 3

Sholpan [36]

You can think of it as two separate fractions. 1/2 divided by 3/1. You can solve this by multiplying the first fraction by the reciprocal of the second fraction. A reciprocal is switching the fraction by turning it over. So you just have to solve 1/2 multiplied by 1/3. As a result you get 1/6 as the answer! Hope this helped!

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4 years ago

Square root of quantity 125÷8 times square root of quantity 5÷2

Archy [21]

Answer:

6.24999999998 or 6.3

Step-by-step explanation:

8 0

4 years ago