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Mariana [72]
3 years ago
7

Please and thank you

Mathematics
1 answer:
NemiM [27]3 years ago
8 0
Y+3=1/4x-1/4
0.25x-y=3-0.25
0.25x-y=2.75
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Mortar is made by mixing cement, sand and quicklime in the ration 1:2:3
timurjin [86]

Answer with step-by-step explanation:

If the ratio for the ingredients is 1:2:3, then the total would be 6. If so, we have to divide 2.1 by 6, which is 0.35. Now, you need to multiply 0.35 to the according ingredient amounts.

Cement: 1 x 0.35 = 0.35

Sand: 2 x 0.35 = 0.70

Quicklime: 3 x 0.35 = 1.05

If you add it up, you will get 2.1, which is the volume.

Hope this helped! (brainliest please)

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3 years ago
If you flip a coin 24 times, how many times would you predict that the coin lands on tails?
olya-2409 [2.1K]

Answer:

I predict 12 times

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2 years ago
Question 2
worty [1.4K]
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4 0
3 years ago
In a ten pin bowling the highest possible score in a single game is 300. At one point in the season, John had an average score o
Sindrei [870]

Answer:

John need to get 293 in his next game to bring his average up to 183.

Step-by-step explanation:

John starts with N games played and averaging 177 points per game.

In game N+1, John scored 199 points.

\frac{177N + 199}{N+1}=178\\177N+199=178N+178\\N=21\\

So, John has now played (N+1) = 22 games.

We need to know what score John needs in game 23 to bring his average to 183.

\frac{177*21 + 199+Y}{23}=183\\3916+Y=4209\\Y=293\\

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Tara saved $3 out of every $10 she earned.If she earned $320 this month,how much did she save?
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Step-by-step explanation:

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