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Rom4ik [11]
3 years ago
9

Please help me thank you.

Mathematics
1 answer:
Alexxandr [17]3 years ago
5 0

Answer:

B

Step-by-step explanation:

3      -4    |   2

0      -1     |   7

3/2    -2    |   1

R1/3 ----> R1  (divide Row 1 by 3)

1       -4/3    |  2/3

0        -1      |   7

3/2      -2     |   1

R3 - 3/2  R1 -------> R3 (multiply Row 1 by 3/2 and subtract it from Row 3)

1      -4/3    |   2/3

0       -1      |    7

0       0      |    0

R2 / -1 -------> R2 (Divide Row 2 by -1)

1      -4/3   |  2/3

0        1     |   -7

0        0    |   0

R1 + 4/3 R2 --------> R1 (Multiply Row 2 by 4/3 and add it to Row 1)

1     0     |   -26/3

0    1      |      -7

0    0     |      0

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6a and 6b are having a competition to see who can make the most money for Red Crescent. 6a make $2 for every $3 that 6b make. If
GaryK [48]

Answer:

45

Step-by-step explanation:

6a 6b

2 : 3

30 : x

<u>30</u><u>×</u><u>3</u>

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4 0
3 years ago
Does 5, square root of 15, 5 make a right triangle?
nikklg [1K]

Answer:

No

Step-by-step explanation:

This is because square root of 15 is between 3 and 4, which are not greater than 5. To make a right triangle you could used two 5 for side a and b BUT the longer side of the triangle has to be Greater than a and b

Hope this helped

6 0
2 years ago
-3(12 - m) = -1(m - 8)
victus00 [196]

Answer:

m = 7

Step-by-step explanation:

- 3(12 - m) = - 1(m - 8)

- 36 - (- 3m) = - m - 8

- 36 + 3m = - m - 8

- 36 + 3m + m = - m + m - 8

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- 36 + 36 + 4m = - 8 + 36

4m = 28

4m ÷ 4 = 28 ÷ 4

m = 7

7 0
3 years ago
Felicity baby sat 2 hours each night for 10​ nights. She earned a total of $180 babysitting. Felicity wants to calculate her hou
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Answer:

To find Felicity's hourly rate you first want to find out how many hours she has babysat altogether. In order to do this we need to take 2*10=20

With that 20 we can divide it by 180 to find her hourly rate

180/20= 9

So she makes $9 an hour

Step-by-step explanation:

7 0
2 years ago
11z/16+7z/8=5/16 as a decimal
babunello [35]
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z=5/25=1/5
4 0
2 years ago
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