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Studentka2010 [4]
3 years ago
12

How do you find 10% of 9900

Mathematics
2 answers:
Serhud [2]3 years ago
7 0

Step-by-step explanation:

10\% \: of \: 9900 \\  \\  =  \frac{10}{100} \times 9900 \\  \\  = 10 \times 99 \\  \\  = 990

const2013 [10]3 years ago
6 0

Answer:

The answer is 990

Put 9900 above 10

cancel

you get 990

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If it takes Doug 40 mins to clean his home and Frankie 50 mins. How long will it take if they work together?
lora16 [44]
Find the average value:
40 minutes + 50 minutes = 90 minutes
90 minutes/2 = 45 minutes
Together it will take them 45 minutes to clean the house
8 0
3 years ago
Pls help will give brainliest answer and 5star
Ipatiy [6.2K]

1. Which polygon or polygons are regular?

A regular polygon is a polygon that is equiangular (all angles are equal in measure) and equilateral (all sides have the same length).

Therefore your answer is:

A. equilateral triangle

C. square


2. Which polygon is always irregular?

traingle - NOT (equilateral triangle)

trapezoid - YES

square - NOT

hexagon - NOT (regular hexagon)

6 0
3 years ago
A polygon has the following coordinates: A(2,-3), B(-2,3), C(2,2). What is the length of AC?
kkurt [141]

Answer:

5 units

Step-by-step explanation:

7 0
3 years ago
the average rate of change of the function f(x) on the interval -3≤x≤3 is -2.5. If (-3)=14 then which of the following is the va
oksian1 [2.3K]

The average rate of change of <em>f(x)</em> on -3 ≤ <em>x</em> ≤ 3 is given to be

(<em>f</em> (3) - <em>f</em> (-3)) / (3 - (-3)) = -2.5

If <em>f</em> (-3) = 14, then

(<em>f</em> (3) - 14) / (3 + 3) = -2.5

(<em>f</em> (3) - 14) / 6 = -2.5

<em>f</em> (3) - 14 = -15

<em>f</em> (3) = -1

4 0
3 years ago
You have 3/4 of a pie leftover after your party. Each guest takes home 1/6 of the leftover pie.
Anika [276]

we know that

1) You have 3/4 of a pie leftover after your party

2) Each

guest takes home 1/6 of the leftover pie

To find the fraction of the original pie does each guest take home,

Multiply 3/4 by 1/6

so

\frac{3}{4} *\frac{1}{6} =\frac{3}{24}

<u>Simplify </u>

Divide by 3 both numerator and denominator

\frac{3}{24}=\frac{1}{8}

therefore

<u>the answer is</u>

\frac{1}{8}

8 0
3 years ago
Read 2 more answers
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