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Taya2010 [7]
3 years ago
5

Which ordered pairs make the equation true?

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
6 0

Answer:

(-3, 1) and (2, -1)

Step-by-step explanation:

We'll just substitute in these coordinates.

<u>First Pair:</u>

2(-3) + 5(1) = -1

-6 + 5 = -1

-1 = -1

This works!

<u>Second Pair:</u>

2(5) + 5(-3) = -1

10 - 15 = -1

-5 ≠ -1

This does not work.

<u>Third Pair:</u>

2(2) + 5(-1) = -1

4 - 5  = -1

-1 = -1

This also works!

<u>Fourth Pair:</u>

2(-4) + 5(2) = -1

-8 + 10 = -1

2 ≠ -1

This does not work.

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Find x if f(x) = 2x + 7 and f(x) = -1.<br> A.5<br> B.-4<br> C.-4
faltersainse [42]

Answer:

x = - 4

Step-by-step explanation:

Hi there !

 if f(x) = 2x + 7 and f(x) = -1 =>

2x + 7 = - 1

2x = - 1 - 7

2x = - 8

x = - 8 ÷ 2

x = - 4

Good luck !

5 0
3 years ago
Find the diagonal of a rectangular frame which measures 77 in. by 36 in.
Cerrena [4.2K]

Answer:

85

Step-by-step explanation:

think about the diagonal of the frame, breaking up a rectangle into 2 right angled triangles. we are already given the legs of the triangle (77, and 36) and now we have to solve fro the hypotenuse (or the diagonal). so use pythagorean theorem :

77^2 + 36^2 = c^2

7225 = c^2

c = 85

5 0
3 years ago
SM052VGS2E
Lerok [7]

The four powers have zero (0) in common

<h3>Indices </h3>

From the question, we are to determine what the four powers have in common

In the question, we can observe that the four powers have 0 in common.

The value of each of the expressions is 1.

Hence, the four powers have zero (0) in common.

Learn more on Indices here: brainly.com/question/15361818

#SPJ1

8 0
2 years ago
Monday through Thursday, the movie theater sold 439 tickets. Over the weekend,
velikii [3]

Answer:

560

Step-by-step explanation:

You subtract 439 from 999 and you get the left over tickets that were sold over the weekend

5 0
3 years ago
To find the sum of 4 and -5.
Katen [24]

Answer:

-1

Step-by-step explanation:

-5 + 4 = 1

5 0
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