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kap26 [50]
2 years ago
10

How do you write 28/50 as a percentage?

Mathematics
2 answers:
sweet [91]2 years ago
6 0
28/50 * 100 = 56%

when finding percentage always multiply by 200
insens350 [35]2 years ago
3 0

Answer: 56%

Step-by-step explanation: To write the fraction 28/50 as a percent, remember that a percent is a ratio that compares a number to 100.

So we need to find a fraction that's equivalent

to 28/50 that has a 100 in the denominator.

To do this, we set up a proportion.

So we have 28/50 = n/100.

To find the value of <em>n</em>, we first find the fraction that

is equivalent to 28/50 that has a denominator of 100.

If we multiply both the numerator and denominator of

28/50 by 2, we can see that 28/50 = 56/100.

So 28/50 is equal to 56/100 or 56%.

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Can anyone help me?​
suter [353]

Answer:

0.8

Step-by-step explanation:

3(5x+2)+10=4

=15x+6+10=4

After this step you subtract 6 from each side and then subtract 10 from each side and then after that you divide 15x on each side which will give you 0.8.

8 0
3 years ago
Find all the zeros of the equation<br> -3x^4 + 27x^2 + 1200 = 0
guajiro [1.7K]

Answer:

\displaystyle x=-5,\ x=5,\ x=4i,\ x=-4i

Step-by-step explanation:

Biquadratic Equation

It's a fourth-degree equation where the terms of degree 1 and 3 are missing. It can be solved for the variable squared as if it was a second-degree equation, and then take the square root of the results

Our equation is

\displaystyle -3x^4+27x^2+1200=0

If we call y=x^2, our equation becomes a second-degree equation

\displaystyle -3y^2+27y+1200=0

Dividing by -3

\displaystyle y^2-9y-400=0

Factoring

\displaystyle (y-25)(y+16)=0

It leads to these solutions

\displaystyle y=25\ ,\ y=-16

Taking back the change of variable, we have for the first solution

\displaystyle x^2=25\Rightarrow x=-5,x=5

Now for the second solution, we get imaginary (complex) values

\displaystyle x^2=-16\Rightarrow x=4i,\ x=-4i

Summarizing, the four solutions for x are

\displaystyle x=-5,\ x=5,\ x=4i,\ x=-4i

5 0
3 years ago
Desperately need help and an explanation so I can do it on my own later.
Mashutka [201]

Step-by-step explanation:

since the sumation of f(x) of a probability is 1

thw probability to win is o.5 and to lose is o.5 so expected value is xf(x

your expected value will b 0.5 multiply by 5 thats is 2.5 thats your expected gain

4 0
1 year ago
Jasmine has a pet rhino that weighs 4,000 pounds. How many tons does Jasmine's pet rhino weigh? Explain
Maurinko [17]

Answer: 2 tons.

Step-by-step explanation:

1 pound = 0.0005 tons.

4,000*0.0005=2

Jasmine's rhino weighs 2 tons

8 0
3 years ago
Read 2 more answers
Plz answer letter b and number 5.6
blsea [12.9K]

Answer:

b. Is because -3 because the the negative gets turned into a positive.

5. They are almost the same because subtraction change the negative to a positive and the -5+2 is the aftermath of what happend.

6. Its because the subtract a negative it cancels out and makes the number a positive.

7 0
2 years ago
Read 2 more answers
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