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Dmitry [639]
3 years ago
15

Elp me pleaseeeeeeeeeeeeeeee

Mathematics
2 answers:
Paladinen [302]3 years ago
8 0

Answer:

with what XD

Step-by-step explanation:

kumpel [21]3 years ago
3 0

Answer:

Step-by-step explanation:

With what?

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-14x + 15y = 15 <br> -21x - 20y = -10<br> Use substitution to find the x and y coordinates.
denis-greek [22]
                  -14x + 15y = 15
        -14x + 14x + 15y = 14x + 15
                             15y = 14x + 15
                              15           15
                                 y = ¹⁴/₁₅x + 1
                   -21x - 20y = -10
     -21x - 20(¹⁴/₁₅x + 1) = -10
-21x - 20(¹⁴/₁₅x) - 20(1) = -10
         -21x - 18²/₃x - 20 = -10
                  -39²/₃x - 20 = -10
                            + 20  + 20
                          -39²/₃x = 10
                           -39²/₃   -39²/₃
                                   x = ⁻³⁰/₁₁₉
                                   y = ¹⁴/₁₅x + 1
                                   y = ¹⁴/₁₅(⁻³⁰/₁₁₉) + 1
                                   y = ⁻²⁸/₁₁₉ + 1
                                   y = ⁹¹/₁₁₉
                              (x, y) = (⁻³⁰/₁₁₉, ⁹¹/₁₁₉)
8 0
3 years ago
Subtracting fractions with unlike denominators
lawyer [7]

Answer:

3/12 or simplified 1/4

Step-by-step explanation:

First make the denominators the same. We can make 12 the common denominator. To make 3/4 have a denominator do the following:

Multiply the numerator and denominator by 3 since 4x3=12. The new number becomes 9/12.

Then subtract:

9/12-6/12=3/12  The numerator subtracts while the denominator stays the same.

We can simplify 3/12 to 1/4

3 0
3 years ago
I need help on this one help hurry
Blababa [14]

Answer:

;;6

Step-by-step explanation:

56 5

7 0
3 years ago
Question 7
Kipish [7]

Answer:

true

Step-by-step explanation:

-7=4*-3+5

-7=-12+5

4 0
3 years ago
Which ordered pairs lie on the graph of the exponential function f(x)=-3(x-1)+2
Whitepunk [10]

Answer:

(-1,2), (1,1), (0,0), (4,-25)

Step-by-step explanation:

Hope this helps!!

4 0
3 years ago
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