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V125BC [204]
2 years ago
7

CAN SOMEONE HELP ME WITH THISSSS

Mathematics
1 answer:
Semmy [17]2 years ago
4 0

Answer:

no i cannot

Step-by-step explanation:

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Three times one number added to five times another number is 54. The second number is two less than the first. Use a system of e
worty [1.4K]

Answer:

8 and 6

Step-by-step explanation:

If you use x for the first number, and y for the second, you get equations of 3x+5y=54 and x-2=y.

You can substitute the second equation into the first one to solve it. This gives 3x+5(x-2)=54.

The brackets can be expanded to 3x+5x-10=54. Collecting like terms makes it 8x-10=54.

Next, we add 10 to both sides. This gives 8x=64.

From there, we isolate the x by dividing both sides by 8, giving x=8.

To work out the second number, we can sub 8 for x in either equation (I'm using the second one as it's simpler).

This comes to y=8-2, therefore y=6.

**This content is simultaneous equations, which you may wish to revise. I'm always happy to help!

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3 years ago
Y=2(x+4)^2-21<br><br> Convert the equation from vertex form to standard
PSYCHO15rus [73]

Answer:

y = 2x² + 16x + 11

I hope im right... If not reaaally sorry!!

7 0
3 years ago
What is 2826 rounded to the nearest hunderd
Savatey [412]

Answer:

800

Step-by-step explanation:

2826 around to the nearest hunderd is 800

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3 years ago
A tank pumps out liquid at a rate of 12 gallons every 20 days. What is the unit rate in gallons per week?
pashok25 [27]

Answer:

4.2

Step-by-step explanation:

simplify 12 and 20 to 6 and 10 then divide 6 by 10 and multiply by 7 to get the answer.

8 0
2 years ago
What is between 50 and 100
Zarrin [17]
51-99 thats so easy :v
6 0
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