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2 years ago

-11x-7y=-56 slope-intercept form?

Mathematics

1 answer:

Scorpion4ik [409]2 years ago

6 0

Answer:

y=11/7x+8

Step-by-step explanation:

You add 11x to both sides to move it on the side with -56, which gives you -7y=11x-56. Divide all the terms by -7 to get the y by itself. That leaves you with y=11/7x-56/-7 which is simplified into y=11/7x+8

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To the nearest 0.01 degree, what angle of descent (angle of depression) must a plane 50 horizontal miles from the airport and at

HACTEHA [7]

20,000÷50=
$20000 \div 50 = 400ft$
The plane needs to descend at 400 ft per mile.

At 40 degrees?

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2 years ago

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Wewaii [24]

Answer:

Step-by-step explanation:

a 6(m+3)

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3 years ago

Which system of equations has the same solution as the system below?

worty [1.4K]

Answer: Both A, and C

Step-by-step explanation:

The answer to the first system of equations (2x+2y=16) would be

x=3 and y=5 ( 3x-y=4 )

Which means we have to find out which of the other equations has an x value of 3, and a y value of 5.

If A is 2x+2y=16, then x=3 and y=5

6x-2y=8

If B is x+y=16, then x=5 and y=11

3x-y=4

If C is 2x+2y=16, then x=3 and y=5

6x-2y=8

If D is 6x+6y=48 , then x=-2 and y=10

6x+2y=8

Both A and C are equal to the first system of equations, which means they are both correct answers.

8 0

3 years ago

1 over 2z = 3 over 4. Which of the following equals z in this equation? 3 over 8 2 over 3 1 over 1 over 2 2 over 2 over 3

Yanka [14]

The answer is

C. 1 1/2

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Hope This Helps!

5 0

2 years ago

Read 2 more answers

From the diagram below, if the sides AD = 3 and DC = 27, and BD = X + 3, find x.

Colt1911 [192]

Given:

• AD = 3

• DC = 27

• BD = x + 3

Let's solve for x.

To solve for x, apply the altitude formula:

$\frac{AD}{BD}=\frac{BD}{DC}$

Where BD is the altitude.

Cross multiply:

$BD^2=AD*DC$

Plug in the values and solve for x:

$\begin{gathered} (x+3)^2=3*27 \\ \\ (x+3)^2=81 \end{gathered}$

Take the square root of both sides:

$\begin{gathered} \sqrt{(x+3)^2}=\sqrt{81} \\ \\ x+3=9 \\ \\ \text{ Subtract 3 from both sides:} \\ x+3-3=9-3 \\ \\ x=6 \end{gathered}$

Therefore, the value of x is 6 .

ANSWER:

d. 6

4 0

10 months ago