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Vlada [557]
3 years ago
14

Can you please help me?

Mathematics
1 answer:
Tcecarenko [31]3 years ago
4 0

Answer:

the wronge value is -2y

Shana should have wrote -2xy

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A glass is
Marrrta [24]

total volume of the glass is }x =200cm^3 .

<u>Step-by-step explanation:</u>

Here we have , A glass is  1/4  full. Then 70cm3 of orange juice is poured in.

The glass is now  3/5  full. We need to find that What is the total volume of the glass . Let's find out :

Suppose that volume of glass is x ,so according to question we have the following equation

\frac{x}{4}+70 = \frac{3x}{5} , Now, solve this to find value of x

⇒ \frac{x}{4}+70 = \frac{3x}{5}

⇒ 70 = \frac{3x}{5}- \frac{x}{4}

⇒ 70 = \frac{3x((4)-x(5)}{5(4)}

⇒ 70 = \frac{12x-5x}{20}

⇒ 70(20) = 12x-5x

⇒ 7x = 1400

⇒ \frac{7}{7}x = \frac{1400}{7}

⇒ }x =200cm^3

Therefore, total volume of the glass is }x =200cm^3 .

5 0
3 years ago
A circle is painted in the center of a basketball court. If the diameter of the circle is 12 feet, what is the approximate amoun
Aliun [14]

Answer:

113.04

Step-by-step explanation:

5 0
3 years ago
A sporting goods store pays $150 for a rubber raft. The percent of markup is 55%. Find the raft’s selling price.
Darina [25.2K]
If my math is correct its about 82.5
3 0
2 years ago
-7 times -8? -40 divided by 10?
alekssr [168]
-7 times -8 is 56 and -40 divided by 10 is -4
4 0
3 years ago
Help me plsss....
eimsori [14]

Answer:

If it took the motorcycle 2 hours to cover 20km, then the average speed is 10km per hour.

Speed is equal to distance over time. So 20km divided by 2 hours is 10 km per hour.

6 0
2 years ago
Read 2 more answers
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