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KIM [24]
3 years ago
11

Change 3 out of 10 to a percentage

Mathematics
2 answers:
Nana76 [90]3 years ago
8 0

Answer:

To convert fraction to decimal, divide 3/10, which would give you . 3 which is already a decimal. To convert decimal to percent, multiply by 100 which would give you 30, hence 30%

Vadim26 [7]3 years ago
6 0

Answer:

3 out of 10 is 30%

Step-by-step explanation:

3/10 x 100% = 30%

Hope this helps! :)

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Estimate then find the difference or sum <br><br> 86+17
kumpel [21]
Estimation for addition: 86 rounds up to 90 and 17 rounds up to 20 so:
90 + 20 = 110
Estimation for subtraction is the same thing but with subtraction
90 - 20 = 70

Now for the exact answers:
86 + 17 = 103
86 - 17 = 69

Your answers are 110, 70, 103, and 69.

8 0
3 years ago
Evaluate the expression for s = -2.<br> -15s2 - 9-5 + s) =
Fudgin [204]

Answer:

123

Step-by-step explanation:

s=-2

-15s^2-9(-5+s)

=-15s^2+45-9s

=-15s^2-9s+45

=15(-2)^2-9×(-2)+45

=15×4+18+45

=60+18+45

=123

6 0
3 years ago
Simplify 2 +5 + (-4 +i)
rodikova [14]

Answer:

the answer is 4 because

2+5+(-4+1)

= 7+(-3)

=7-3

=4

4 0
3 years ago
Which graph represents y=x-5?​
elena-s [515]
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3 0
2 years ago
What are roots of the equation -90=x (x-18)
daser333 [38]

Answer:

-90=x(x-18)

-90=x^{2}-18x

0=x^{2}-18x+90

x=9+3i   or   9-3i

Step-by-step explanation:

you need to use quadratic formula and you will find square root a negative ( -9 ), which is an imaginary no.

square root (-9) = 3i

4 0
3 years ago
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