3 years ago

Find X. PLEASE HELP:(

Mathematics

1 answer:

Citrus2011 [14]3 years ago

5 0

Answer:

what class is this for

Step-by-step explanation:

wfdh jgfffgjj bddgj from bgj

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The base of a triangle is 4x+6cm,the height is 5cm. What is the actual length of the base

zavuch27 [327]

Is it 10cm long? 4 + 6 =10

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3 years ago

Someone help me out with this

Elenna [48]

The answer is 3169.23.

His year salary is $82,400. There are 52 weeks in a year, so to find his weekly salary, divide his yearly salary by the number of weeks.

$82400 / 52 weeks = $1584.651 per week.

To find his bi-weekly salary, multiply his weekly salary by two.

$1584.651 x 2 = $3169.23

His bi-weekly salary is $3169.23

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3 years ago

Sonji has $5.25 in nickels and dimes.The coin value can be modeled by the equation 0.10 d plus 0.05 n equals 5.25, where d repre

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3 years ago

If f(x)=x^2+2x-4 and g(x)=3x+1 find f(g(x))=__x^2+__x+__

Korvikt [17]

Step-by-step explanation:

f(x) = x² + 2x - 4

g(x) = 3x + 1

f(g(x)) = f(3x + 1)

f(3x + 1) = [3x + 1]² + 2[3x + 1] - 4

= 9x² + 6x + 1 + 6x + 2 - 4

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7 0

3 years ago

a line goes through the point(6,-2)and has a slope of -3 what is the value of a if the point (a,7) lies on the line

yaroslaw [1]

Answer:

The value of a is "3", to complete the coordinate point (3,7) on the line.

Step-by-step explanation:

We are given the slope of the line, and also one point through which the line passes. Therefore, we can find the actual equation of the line by using the slope-point form of the line:

$y-y_0=m(x-x_0)\\y-(-2)=(-3)(x-6)\\y+2=-3x+18\\y=-3x+18-2\\y=-3x+16$

Now, we need to find which value of "x" renders a y-value of "7", to complete the coordinate pair (a, 7) as requested. Therefore, we ask for the y-value in the previous equation to be "7", and solve for its associated x-value:

$y=-3x+16\\7=-3x+16\\7-16=-3x\\-9=-3x\\x=\frac{-9}{-3} \\x=3$

Therefore, x = 3

3 0

3 years ago

Read 2 more answers