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Anna11 [10]
3 years ago
13

Allie and Javier collect coins from different countries. Allie collected three times the difference of

Mathematics
1 answer:
Drupady [299]3 years ago
4 0

Answer:

39

Step-by-step explanation:

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What is the standard form of this equation of a circle?
Olenka [21]
<span>x² + y² + 14x − 4y − 28 = 0

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x²+2*7x  +7² -7²  + y² - 2*2y +2² - 2² = 28
(x+7)² + (y-2)² -7²-2² =28
</span>(x+7)² + (y-2)²=28+49+4

(x+7)² + (y-2)² =81 is the answer.
5 0
3 years ago
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Which problem solving strategy would be best to solve this problem? How many different ways can you give change for 45 cents?
hodyreva [135]
I think A since working backwards and looking for a pattern wouldn't help, maybe C but im not sure
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3 years ago
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Tank a has a capacity of 9.5 gallons. 6 1/3 gallons of the tank's water are poured out. how many gallons of water are left in th
Advocard [28]

Answer:

Water left in tank is 3\frac{1}{6} gallons.

Step-by-step explanation:

Given :

Capacity of tank = 9.5 gallons  =\frac{95}{10}

Water taken out of tank =6\frac{1}{3}=\frac{19}{3} gallons

We have to find the water left in the tank.

Water left in the tank = Total capacity of tank - water taken out of tank

                                    =\frac{95}{10}-\frac{19}{3}

Taking LCM of (3,10)= 30

\Rightarrow \frac{95 \times 3-19 \times10}{30}

Solving further, we get,

\Rightarrow \frac{285-190}{30}

\Rightarrow \frac{95}{30}=\frac{19}{6}=3\frac{1}{6}

Thus, Water left in tank is 3\frac{1}{6} gallons..

5 0
3 years ago
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Arte-miy333 [17]

Answer:

1st one: -3,-4 away

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Step-by-step explanation:

I will call (-3,-4) Point A and I'll call (0,0) Point B. Point A is at (-3,-4) and Point B is obviously at the origin. That makes it easy, because you just subtract Point A by Point B to find how far away they are.

3 0
3 years ago
Multiply.round your answer to the nearest tenth 3×2.5×1.05. A.7.9 B.8.0 C.11.25 D.11.3
dangina [55]
3 x 2.5 = 7.5
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Note : remember to always line up the decimal points.

Hope this helps

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