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Lady bird [3.3K]
3 years ago
5

Need help asap will upvote Which statement about the ordered pairs (3, −8)(3, −8) and (4, 4)(4, 4) is true for the equation 3x−y

4=113x−y4=11 ?
(3, −8)(3, −8) is a solution to the equation.
(4,  4)(4,  4) is a solution to the equation.
Both ordered pairs are solutions.
Neither ordered pair is a solution.
Mathematics
2 answers:
igomit [66]3 years ago
6 0
I think the correct answer from the choices listed above is the last option. The statement that is true for the ordered pairs (3, −8) and (4, 4) for the equation given above would be that neither  ordered pair is a solution. Hope this helps. Have a nice day.
Strike441 [17]3 years ago
6 0

Answer:

srry for the late answer but i just took the quiz and the proper answer is Niether

Step-by-step explanation:

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Given 5y - 3x + 30 , what would be the next step<br> to solve for y in terms of r ?
Alik [6]

Answer:

I think you mean y in terms of x. You would at +3x to both sides resulting in 5y=30+3x

Step-by-step explanation:

5 0
2 years ago
A circle is centered at the point (5, -4) and passes through the point (-3, 2).
Sedbober [7]

Answer:

The equation of the circle is (x + -5)² + (y + 4)² = 100

Step-by-step explanation:

* Lets revise the standard form of the equation of the circle

- If the center of the circle is point (h , k) and the length of its radius is r,

 then the equation of the circle is (x - h)² + (y - k)² = r² in standard form

* Now lets solve the problem

- The center of the circle is point (5 , -4)

∴ h = 5 and k = -4

∴ The equation of the circle is (x - 5)² + (y - -4)² = r²

∴ The equation of the circle is (x - 5)² + (y + 4)² = r²

- The circle passes through the point (-3 , 2)

- To find r substitute the x-coordinate and the y-coordinate of the

  point in the equation of the circle

∵ Point (-3 , 2) is on the circle

∴ x = -3 and y = 2

∴ (-3 - 5)² + (2 + 4)² = r² ⇒ simplify it

∴ (-8)² + (6)² = r² ⇒ solve power 2

∴ 64 + 36 = r² ⇒ add the like terms

∴ 100 = r²

∵ The equation of the circle is (x - 5)² + (y + 4)² = r²

∴ The equation of the circle is (x - 5)² + (y + 4)² = 100

- To complete the form

∴ The equation of the circle is (x + -5)² + (y + 4)² = 100

8 0
3 years ago
Danielle’s chemistry professor has a complicated grading system. Each lab counts once and each test counts as two labs. At the e
Murrr4er [49]

Answer:

92

Step-by-step explanation:

Lab Scores are 84, 81, and 93

Test Scores are 89 and 94

Each lab counts once and each test counts as two labs. At the end of the semester there is a final lab that counts as three regular labs.

Total Number of Labs= (3X1)+(2X2)+(1X3) =3+4+3 =10

To recieve an A(90), the average of her scores must be 90.

Let her final lab score =b

Refer to the attached diagram

Total Score=624+3b

For her average =90

\frac{624+3b}{10}=90

Cross multiplying

624+3b =90 X 10

624+3b =900

3b =900-624

3b =276

Dividing both sides by 3

b= 92

She must score 92 in her final lab to receive an A.

6 0
3 years ago
Find the measure of each marked angle no
daser333 [38]
They equal to 180 because they are supplementary angles

7 0
3 years ago
Read 2 more answers
What's the domain for this???
nikklg [1K]
All Real Numbers is the domain
8 0
3 years ago
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