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Roman55 [17]
3 years ago
13

What is 9+10 in mathematics?

Mathematics
1 answer:
love history [14]3 years ago
7 0

Answer:

21 :)

Step-by-step explanation:

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I need help with number 9, please. I had made a mistake on my previous question
Paha777 [63]

line AB, includes A, and has C in the middle. You can call it line AB, as both points A and B are on the line




6 0
3 years ago
10
liq [111]

Answer:   39.25

========================================

Work Shown:

d = diameter = 10

r = radius = d/2 = 10/2 = 5

A = area of a full circle

A = pi*r^2 = 3.14*5^2 = 78.5

Cut this in half to get the area of a semicircle (aka half circle)

(78.5)/2 = 39.25

This result is approximate.

5 0
3 years ago
a plant is already 56 centimeters tall, and it will grow one centimeter every month. that plants height, H (in centimeters) afte
nadya68 [22]

Answer:

79

Step-by-step explanation:

We need to calculate the height after 23 months.

so m= 23

Plug in m=23

we have H(m) = 56 + 23 = 79

Answer is 79cm

4 0
2 years ago
Robert wants to buy a new coat for $117.
otez555 [7]

Answer Choices:

A.120 ×0.75 ×1.1

B.120×0.25×0.9

C.120× 0.25× 1.1

D.120× 0.75 ×0.9

Answer

<em><u>A.)</u></em>

(117·0.25)=n

117-n=87.75·0.0875=m

87.75+m=95.43

Step-by-step explanation:

117-25%=87.75+8.75%=95.43

7 0
3 years ago
Read 2 more answers
HELP 6TH GRADE MATH<br> Enter the phrase as an algebraic expression. The product of 54 and c
Nutka1998 [239]

Answer:

54c

Step-by-step explanation:

The word "product" means that the operation is multiplication. So the two numbers need to be multiplied. In algebra, the way you multiply a constant and a variable is simply by putting the two next to each other with no other symbol.

5 0
3 years ago
Read 2 more answers
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