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Eva8 [605]
3 years ago
9

Please help thanks will mark brainly

Mathematics
1 answer:
bazaltina [42]3 years ago
5 0

the answer is D because

3/5 x 7 = 21/5

21/5= 4 1/5

I hope this helps

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Need Help ASAP!!!
Hitman42 [59]

Answer:

The answer to your question is:

x = 1

y = 1

z = 0

Step-by-step explanation:

                                -2x + 2y + 3z = 0             (1)

                                -2x - y + z = -3                  (2)

                                 2x + 3y + 3z = 5              (3)

Solve (1) and (2)  

Multiply 2 by 2

                                 -2x + 2y + 3z = 0

                                 -4x -2y   + 2z = -6

                                -6x          + 5 z = -6        (4)

Solve (2) and (3)

Multiply 2 by 3

                               -6x - 3y + 3z = -9

                                2x + 3y + 3z = 5

                               -4x         + 6z = -4           (5)

Solve (4) and (5)

Multiply (4) by 2 and (5) by -3

                           -12x    + 10 z = -12

                            12x    -  18z   = 12

                                         -6z = 0

                                          z = 0

Then

            -4x + 6(0) = -4

           -4x = -4

            x = -4/-4

            x = 1

Finally

                 -2(1) - y + (0) = -3      

                -2 - y = -3

                 -y = -3 + 2

                 y = 1  

   

4 0
3 years ago
Read 2 more answers
THE TOPIC IS: AREA OF CIRCLES!! PLEASE HELP ME WITH THIS QUESTION!!! WHATS THE ANSWER?? I WILL GIVE YOU BRAINLIEST AND A THANKS!
Art [367]

Answer:

49π

Step-by-step explanation:

πr^2

π*7^2

49π

5 0
2 years ago
Can someone help me with the First question ?
miskamm [114]

Answer:

Step-by-step explanation:

#1.

228 ÷ 6 = 38 in

#2.

186 ÷ 3 = 62 ft

#3.

360 ÷ 8 = 45 yd

#4.

119 ÷ 7 = 17 ft

I hope I helped you.

5 0
3 years ago
Read 2 more answers
Round to nearest number 29 4/5
kaheart [24]
29.8 would be the number, but rounded would be 30
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3 years ago
How can you estimate 74.3 divided by 8
Greeley [361]
The answer of 74 divided by 8 hope this helps
7 0
2 years ago
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