3 years ago

What is 4.5x + 2.5(x - 4)

Mathematics

1 answer:

marysya [2.9K]3 years ago

4 0

Answer:

7x-10

Step-by-step explanation:

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Step-by-step explanation:

It is an open circle and it has to be less than 15 and since it is a positive it is to the right

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2 years ago

How would i reduce 10/100 with the work problem to go with it

AlekseyPX

Answer:

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Step-by-step explanation:

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3 years ago

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Radda [10]

Answer:

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Isaac and Paul shared some baseball cards in the ratio 2:5. If Paul gave 30 cards to Isaac, they would have the same number of c

avanturin [10]

Answer:

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Step-by-step explanation:

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2 years ago

What is the equation of a line that passes through the point (8, 1) and is perpendicular to the line whose equation is y=−23x+5

elena-s [515]

Answer:

$y-1=\frac{1}{23} (x-8)$

Step-by-step explanation:

We can write the equation of a line in 3 different forms including slope intercept, point-slope, and standard depending on the information we have. We have a point (8,1) and a slope from the equation y=-23x+5. We will chose point-slope since we have a point and slope.

Point slope: $y-y_1=m(x-x_1)$

$m\neq -23$ in our new equation because it us perpendicular to it. This means we will need to change it into its negative reciprocal which is $m=\frac{1}{23}$ .

We will substitute $m=\frac{1}{23}$ and $x_1=8\\y_1=1$ .

$y-1=\frac{1}{23} (x-8)$ .

This is the equation of the line perpendicular to y=-23x+5 that crosses through (8,1).

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3 years ago