PLZ HELP ME :( THIS IS DUE TOMMORW :((

Mathematics

1 answer:

Advocard [28]2 years ago

7 0

It’s C. I hope this helps

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Mr.Mason's height is at most 4 inches mire than twice his daughters height Mr.Mason's height is 70 inches.

adoni [48]

2 divided 70 plus 4 I think

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2 years ago

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Y = 4

loris [4]

4 = .25x + 2 , .25x = 2 , x = 8. The answer is D

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Solve the following systems of equations

Varvara68 [4.7K]

Answer:

$(-1;1)$ and $(0;4)$

Step-by-step explanation:

First of all, even if the system is of 4th degree, by looking at the shape of the equations I am expecting up to 2 solutions.

The easiest way to solve it, since both equation are in the form y= something, is to equate both RHSs.

$3x^2+6x+4=-3x^2+4\\6x^2+6x=0 \rightarrow 6x(x+1)=0$

which tells us that either $x=0$ or $x=-1$

Now we can replace these value of x in one of the two to finish our work: $x=0\rightarrow y= 4$

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1 year ago

Write the equation of line AB in slope-intercept form, given the points A(0,5) and B(-5,-10) . In your final answer, include all

Evgesh-ka [11]

Answer:

y = 3x + 5

Step-by-step explanation:

1) First, find the slope between the pair of points. Use the slope formula $m = \frac{y_2-y_1}{x_2-x_1}$ . Substitute the x and y values of points A and B into the formula and simplify:

$m = \frac{(-10)-(5)}{(-5)-(0)} \\m = \frac{-10-5}{-5-0} \\m = \frac{-15}{-5} \\m = 3$

So, the slope is 3.

2) Now, identify the y-intercept of the line, or the point at which the line intersects the y-axis. All points on the y-axis have an x-value of 0. We're told that (0,5) is a point the line intersects, and since it has an x-value of 0, that must be the y-intercept.

3) Using slope-intercept format, represented by the equation $y = mx + b$ , write the equation of the line. Remember that the number in place of $m$ , or the coefficient of the x-term, is the slope. So, substitute 3 for $m$ . Also, remember that $b$ represents the y-intercept of a line, so substitute 5 in its place, too. This gives the following answer: