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SSSSS [86.1K]
4 years ago
14

How do you solve 21/4=1/2x+3x and whats the answer?

Mathematics
1 answer:
aleksklad [387]4 years ago
3 0
I hope this helps you

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Which one of the following statements expresses a true proportion?
adoni [48]
Try them step by step 

2/3=3/2? No

3/5=12/20? Lets try and see

If we <span>simplify 12/20 what do we do? Well we take 4*3=12 and 4*5=20 

Now that we simply the 4 from both the numerator and denominator we get our answer 3/5 

Your answer will be B.</span>
3 0
3 years ago
Sean makes 2 pizzas he gives 8 people an equal share
Nataly [62]
2/8 = 1/4.
Each person gets 1/4 of a pizza.
7 0
3 years ago
Please explain how do you get the answer. Also tell me am I correct or wrong.
Zigmanuir [339]
Your doing everything correctly 
3 0
4 years ago
Read 2 more answers
The formula for the volume of a sphere is a power function:
soldier1979 [14.2K]

Answer:

r≥0

V(r) ≥0

Step-by-step explanation:

V(r) = 4/3 * Pi* r^3

The domain is the input values for r

The radius cannot be less than 0  but can be any number bigger than 0

What is the domain of the function in this situation?

r≥0

The range is the output values for the function or the volume

The volume must be greater than or equal to zero

V(r) ≥0

7 0
4 years ago
Read 2 more answers
Angela and you are painting a room. Angela has 2 1/2 gallons of blue paint and Ryou has half as much white paint. It will take 2
GREYUIT [131]
Conversion from gallons to quarts

1 gallon = 4 quarts

Now,

Angela has 2 \frac{1}{2} gallons = 2\frac{1}{2} *4 = 10 quarts of blue paint

Ryou has 1/2 of what Angela has = 1/2*10 = 5 quarts of white paint.

Each wall requires 2 \frac{3}{4} of paint.
After coloring;
Blue colored walls = (10)/(2 \frac{3}{4}) = 3 walls with 7/11 quarts of paint remaining.
White colored walls = (5)/(2 \frac{3}{4}) = 1 wall with 9/11 quarts of paint remaining
6 0
4 years ago
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