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alukav5142 [94]
3 years ago
14

Which expressions are equivalent to 8.9 x + 6.2 + 8.7? Check all that apply.

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
3 0
Where are the answer choices
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If you order 3 pizzas, you will get 30 slices of pizza. How many slices are there in one pizza?
SVEN [57.7K]

Answer:

There are 10 slices in one pizza.

Step-by-step explanation:

30 ÷ 3 = 10

4 0
3 years ago
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How much milk will each friend get if 3 friends share 1/4 of a gallon equally?
I am Lyosha [343]
Each friend would get 1/12 of a gallon of milk when split equally
6 0
3 years ago
Find the solution set.
kow [346]

Answer: 5, -5

Step-by-step explanation:

There are only 2 square roots of 25: plus and minus 5.

7 0
3 years ago
Solve the following system of equations for all three variables.
nignag [31]
  5x - 2y + 1z = 8 ⇒   5x - 2y + 1z = 8
-9x + 2y + 2z = 5 ⇒ -9x + 2y + 2z = 5
-9x -  2y -  5z = 4             -4x + 3z = 13

 5x -  2y + 1z = 8
-9x + 2y + 2z = 5 ⇒ -9x + 2y + 2z = 5
-9z -  2y -  5z = 4 ⇒ -9x -  2y -  5z = 4
                                        -18x - 3z = 9

     -4x + 3z = 13
    -18x - 3z =   9
           -22x = 22
            -22    -22
                x = -1
    -18x - 3z = 9
-18(-1) - 3z = 9
       18 - 3z = 9
     - 18       - 18
             -3z = -9
              -3     -3
                z = 3

    5x - 2y + z = 8
5(-1) - 2y + 3 = 8
     -5 - 2y + 3 = 8
     -2y - 5 + 3 = 8
           -2y - 2 = 8
                + 2 + 2
                -2y = 10
                 -2     -2
                   y = -5
          (x, y, z) = (-1, -5, 3)
6 0
3 years ago
Number 15 please help 10 points no links pleAse
Kazeer [188]
Answer:

C

Explanation:

On the scatter plot, there is a dot where the lines for 6 and 3 meet. when looking for the ordered pair you would go along first then up (> then ^) so it would be (6,3). Another example, for the third dot on the plot, if you go along first you get 12 then when you go up you get 9 so the ordered pair for that would be (12,9). I really hope you understand what i mean and this helps as i struggled with explaining haha!
8 0
2 years ago
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