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Finger [1]
2 years ago
12

Set up equations and solve them to find the unknown numbers in the following cases:

Mathematics
1 answer:
noname [10]2 years ago
3 0

Answer:

the answer is 21

Step-by-step explanation:

the number she thinks of is 21 add 21 + 19 to get 40.

divide 40 by 5 to get 8.

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Pls help me this is due in 6 minutes
Nadya [2.5K]

Answer:

Step-by-step explanation:

Clockwise A to Z: 90 degrees

Counter-clockwise A to Z: 270 degrees

Counter-clockwise Z to B: 180

Clockwise Z to B: 180

Clockwise B back to B: 360  

3 0
3 years ago
Need help with this math don’t understand
slava [35]

Answer:

A

Step-by-step explanation:

The formula for flipping smth over the x axis is(x,y)→(x,−y)

just flip the symbol on the second #

your points are:

(-4,-2)→(-4,2)

(0,-4)→(0,4)

(-4,-5)→(-4,5)

Once you graph it, youll see that the shapes are congruent, just flipped, therefore the answer is A

3 0
3 years ago
Equivalent expression of 27 plus 36
gregori [183]

Answer:

The answer is 63

Step-by-step explanation:

first you do 6+7=13. Then you do 3+2+1=6. You add the one because 13 is a two digit number and it is in the tenths. Thats how you get the answer, 63.

6 0
4 years ago
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What is biggest to smallest unit out of Kg,Grams,Ounces and pounds?
tia_tia [17]
Pounds..............................
7 0
3 years ago
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1/3 of 18 <br> Please someone help meee
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