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3 years ago

Write the equation of the line passing through (2,-3) and parallel to y=4x-9.

Mathematics

1 answer:

maks197457 [2]3 years ago

3 0

Answer:

y = 4x - 11 .

Step-by-step explanation:

The line y = 4x - 9 has a slope of 4 so our line will also contain 4x.

Using the point-slope form of the equation of a line:

y - y1 = m(x - x1) , we have m = 4 and (x1, y1) = (2, -3):

y - -3 = 4(x - 2)

y + 3 = 4x - 8

y = 4x - 11 (answer).

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The graph shows the scores of an exam. About what percent of students scored above 86%?

Gemiola [76]

Attach shows the scores of students in an exam

$\begin{gathered} \text{(students scored above 86\%) = }\frac{\text{ number of students score above 86\%}}{\text{Total scored }}\text{ x }\frac{100}{1} \\ \text{(students scored above 86\%) = }\frac{\text{8+5.9+2.2+2}}{1.4+2.2+4.5+6.2+8.5+16.5+18+16.3+8+8+5.9+2.2+2}X\frac{100}{1} \\ \\ \text{(students scored above 86\%) = }\frac{18.1}{99.7}\text{ X }\frac{100}{1} \\ \text{(students scored above 86\%) = }18.15\text{ \%} \\ \text{(students scored above 86\%) = 18\%} \end{gathered}$

Hence the correct answer = 18% Option A

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1 year ago

What is Pablo's ratio of free to paid minutes

8_murik_8 [283]

The answers is 2:10 or 2/10

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4 years ago

Wizer.me<br> What is the leading coefficient of this polynomial?<br> 4x3+8x5-4x2+1x

lakkis [162]

Answer:

8 is the required answer.

Step-by-step explanation:

In a polynomial, the leading term is the term with the highest power of x.

$8x^5$ is the leading term. So, coefficient is 8.

Best Regards!

8 0

3 years ago

F(x)=4x+7 Place the steps for finding f -1(x) in the correct order.

dybincka [34]

X=4x+7

X=4y+7

X-7=4y

X-7/4=y

F-1(x)=x-7/4

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4 years ago

Certain three-cylinder combination lock has 70 numbers on it. to open it, you turn to a number on the first cylinder, then to

lord [1]

The lock has 3 different cylinders that can take up to 70 possible numbers. The possible combination of each cylinder would be 70!
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3 years ago