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Snezhnost [94]
3 years ago
15

Which unit of measure would be appropriate for the area of a picture that is 20 centimeters tall and 15 centimeters wide?

Mathematics
2 answers:
Nat2105 [25]3 years ago
7 0

Answer:

Answer in apex is square centimeters

Step-by-step explanation:

Alex_Xolod [135]3 years ago
5 0
Area= 300 cm squared
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It’s multiple choice , please help me !
ICE Princess25 [194]
Answer: a, c, e explanation: I did that test and got 100%
3 0
3 years ago
Please help me! I will give you Brainlist if you get it right!​
Sedaia [141]

Answer:

B

Step-by-step explanation:

find the area of the rectangle and then find the area of the semi circle, then add the 2 together

6 0
3 years ago
A first number plus twice a second number is 14. Twice the first number plus the second totals 10. Find the numbers.
Nookie1986 [14]

Answer:

first number(x) = 2 second number(y)= 6

Step-by-step explanation:

This is an example of a simultaneous equation.

First write this word problem as equations, where x is the "first number" that you've mentioned and y is the "second number".

x + 2y = 14  (equation 1)

2x + y = 10  (equation 2)

This is solved using the elimination method.

We need to make one of the coefficients the same - in this case we can make y the same. In order to do this we need to multiply equation 2 by 2, so that y becomes 2y.

2x + y = 10 MULTIPLY BY 2

4x + 2y = 20 (this is now our new equation 2 with the same y coefficient)

Now subtract equation 1 from equation 2.

4x - x + 2y - 2y = 20 - 14  (2y cancels out here)

3x = 6

x = 2

Now we substitute our x value into equation 1 to find the value of y.

2 + 2y = 14

2y = 12

y = 6

Hope this has answered your question.

6 0
3 years ago
Read 2 more answers
Is this possible<br> Iiii
Gwar [14]

Yeah Imao you usually do these type of questions on a calculator but I've tried writing it on a calculator and it keeps on saying "error" so I'm gonna guess the question is wrong or sth

but if you type out the question without the bracket before the 12 you'll get 6.63

anyway hope this helps- have a good day bro cya)

8 0
3 years ago
Simplify. (-7y^2+4y+9)+(6y^2-5y+9)-(2y^2-9y-2)
Natali5045456 [20]

Combine like terms

-7y² + 6y² - 2y² = -3y²

4y + (-5y) - (-9y) = 4y - 5y + 9y = 8y

9 + 9 - (-2) = 9 + 9 + 2 = 20

-3y² + 8y + 20 is your answer

hope this helps

7 0
3 years ago
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