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enyata [817]
3 years ago
12

Will give brainliest please help 2x-8y=6 y=-7-x

Mathematics
1 answer:
Dmitrij [34]3 years ago
6 0

Answer:

x=-5,\:y=-2 sorry if I'm wrong  symbolab

Step-by-step explanation:

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What is the mean deviation of 4, 3, 4, 5, 6, 6, 8, 4?
MrRa [10]
Calculate mean:
4+3+4+5+6+6+8+4=40
40/8=5

Calculate MAD:
1+2+1+0+1+1+3+1=10
10/8= 1.25

Final answer: 1.25
5 0
4 years ago
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How could you represent 0.614 without<br> using hundredths?
jasenka [17]

Answer: You can either round to 0.6 or put in fraction form \frac{307}{500}

Step-by-step explanation:

8 0
2 years ago
The mass of the particles that a river can transport is proportional to the sixth power of the speed of the river. A certain riv
Gelneren [198K]

Answer:

v_2 \approx 1.12246\ m.s^{-1}

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Step-by-step explanation:

Mass of particles that a river can transport, m\propto\ v^6

where:

v = velocity of river flow

When v=1\ m.s

then the mass transported, m \propto 1^6

<u>When mass is twice:</u>

v=\sqrt[6]{2}

v_2 \approx 1.12246\ m.s^{-1}

<u>When mass is 10 times:</u>

v=\sqrt[6]{10}

v_{10}\approx 1.4678\ m.s^{-1}

<u>When mass is 100 times:</u>

v=\sqrt[6]{100}

v_{100}\approx 1.4678\ m.s^{-1}

7 0
3 years ago
Stuart planted a shrub that was 64 centimeters tall. He measured the shrub regularly and found that it grew 1.8 centimeters each
andreev551 [17]

Answer:

C. 7 weeks.

Step-by-step explanation:

Since the shrub was 64 cm tall at first, take away 64 from 76.6. Now we are left with 12.6. Let's divide 12.6 by 1.8 (that's how many cm it grows per week). When we do this, we are left with 7. This means it took 7 weeks for the shrub to reach 76.6 cm. I hope this helps!

5 0
3 years ago
It takes 115 pounds of seed to completely plant a 12-acre field. How many pounds of seed are needed per acre?
Len [333]

Answer: 9.5

Step-by-step explanation:

You need to do 115/12 and the answer is 9.5 so if that is not an answer it will be10 rounded up

7 0
3 years ago
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