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Helen [10]
3 years ago
12

Find the first step for solving the system by substitution.... X = 4y - 1 and 9x - 5y = -22

Mathematics
1 answer:
salantis [7]3 years ago
4 0
Answer:

Step 1: 9(4y-1)-5y=-22
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Please I really need help! I will mark you as brainliest!
Brums [2.3K]

Answer:

w = 10 cm

Step-by-step explanation:

The area of the triangle is 24 sq. cm.

24 * 5 = 105

120/12 = 10

7 0
4 years ago
Please help I am struggling really bad thank you so much
Pavlova-9 [17]

Answer:

1) A

2) A

3) C

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
TRANSLATE EACH SENTENCE INTO AN EQUATION.
Anastaziya [24]
Ok here are my interpretations for these sentences.

1.)2r+3s=13
2.)t/40=12-(1/2*s)
3.)200-3x=9
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5 0
3 years ago
Need help can someone plz help me solved this problem ASAP! Need help I will mark you as brainiest
MrRissso [65]

Answer:  2, 6

<u>Step-by-step explanation:</u>

Triangle Inequality Theorem states that the sum of two sides must be GREATER than the third side.

RS + ST > RT    and     RS + RT > ST     and     ST + RT > RS

2x + 4x > 12                  2x + 12 > 4x                  4x + 12  > 2x

       6x > 12                          12 > 2x                          12  > -2x

         x > 2                            6 > x                             -6 < x

         2 < x                             x < 6                             invalid

Answer:  2 < x < 6      

Graph:     O----------------------O

                2                          6

<em> Note: -6 is invalid because you cannot have a negative length. </em>                     

5 0
4 years ago
Find the measure of the complement of an angle that measures 64°.
77julia77 [94]
90 - 64 = ? ...................

6 0
3 years ago
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