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Stells [14]
3 years ago
10

Tell whether the ordered pair is a solution to the equation. Please show how you solved it.

Mathematics
2 answers:
Alina [70]3 years ago
6 0

Answer:

The ordered pair is a solution to the equation

Step-by-step explanation:

Plug the ordered pair into the equation as (x,y):

y = -x + 8

4 = -4 + 8

4 = 4

Since both sides are equal to each other, then the ordered pair is a solution to the equation.

Makovka662 [10]3 years ago
4 0

Yes, it is a solution to the equation.

Plug in the values 4, for y, and 4, for x. Since there is a negative sign next to x, it turns 4 into -4. So, the equation will look like this: 4 = -4 + 8, add 8 to -4, and you get 4. 4 = 4. 4 = 4 is a true statement, so the pair IS a solution to the equation. Hope this helps!

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The circumference (C) of a swimming pool is 47 feet. Which formula can you use to find the radius (r) if you know that C = 2 π π
Troyanec [42]
47 = 2 pi r
(47)/2pi = 2
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4 years ago
What is the mean for this list of numbers 4,8,12,13
Gwar [14]

Answer:

4, 8, 12, 13

In order to find the mean you must add all of the values together and then divide by the number of numbers. 4 + 8 + 12 + 13 = 37

Now we divide: 37 ÷ 4 = 9.25

So the mean is 9.25

<h2>                       I hope this helps!  :)</h2>

3 0
3 years ago
1 point Final grades are often computed using weighted averages. Some college professors use complicated weighted averages . You
77julia77 [94]

Weighted average is the average of a set using different weight for each element in the set. The final grade when homework and test scores are 59 and 64 is 62.35

Given that:

Homework = 59

Test = 64

The test score is greater than the homework score. So, the test will be weighted using 67%, while the homework will be weighted using 33%.

The final grade is calculated as follows:

Grade = 67\% \times Test + 33\% \times Homework

So, we have:

Grade = 67\% \times 64 + 33\% \times 59

Grade = 42.88 + 19.47

Grade = 62.35

Hence, the final grade is 62.35

Read more about weighted average at:

brainly.com/question/18554478

4 0
3 years ago
Timothy draws three isosceles triangles. In each figure, he measures a pair of angles. What is a reasonable conjecture for Timot
Snowcat [4.5K]
If Timothy is using inductive reasoning then he has to make a conclusion by observing some patterns in the activity that he is performing.

The conclusion that Timothy makes as a result of recognizing a pattern is called a conjecture.



All isosceles triangles have two of their angles equal. This is an established fact about isosceles triangles. Therefore a reasonable conjecture that Timothy will make if he measures the angles correctly is

'In an isosceles triangle, two of the angles are equal.'


Hence the correct answer is the first option.
8 0
4 years ago
Read 2 more answers
Mr. West is standing on a cliff that is 25 1/5meters above the surface of the ocean. He spots a dolphin that is 2 3/5 meters und
zhenek [66]

Answer:

Total distance from Mr. West to dolphin =27\frac{4}{5}\ meters

Step-by-step explanation:

Height of cliff on which Mr. West is standing above the surface of ocean =25 \frac{1}{5} \ meters

Mr. West spot the dolphin under the water at a depth of =  2\frac{3}{5} \ meters

∴ Total distance from Mr. West to dolphin=(25 \frac{1}{5}+2\frac{3}{5})\ meters

Adding mixed numbers

(25 \frac{1}{5}+2\frac{3}{5})

Adding whole numbers first.

=25+2+\frac{1}{5}+\frac{3}{5}\\=27+\frac{1}{5}+\frac{3}{5}

Adding fractions by taking LCD.

=27+\frac{1+3}{5}\\=27+\frac{4}{5}\\=27\frac{4}{5}\ meters

5 0
3 years ago
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