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gayaneshka [121]
2 years ago
14

Use substitution to solve each system of equations.

Mathematics
1 answer:
uysha [10]2 years ago
7 0

answers are in the pictures

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Work out the area of this shape. ? cm2<br><br> 4 cm<br> 9 cm<br> 6 cm<br> 12 cm<br><br> Help!!!
mars1129 [50]

Answer:

84 cm^2

Step-by-step explanation:

Area of triangle + area of rectangle

Area of triangle = 1/2*l*b

= 1/2*8*3= 12 cm^2

Area of rectangle = l*b

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Total area= 72+12

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1:X = X:25. What number can replace X?
igor_vitrenko [27]

5 is your answer

1: 5 = 5: 25

Note that the colon can act like a fraction.

Simplify 5/25.

(5/25)/(5/5) = 1/5 = 1/5

5 is your answer

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7 0
3 years ago
Please help worth 20 points! (this is legit my math grade .-.)
Natasha2012 [34]

Answer:

Step-by-step explanation:

a true

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2 years ago
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KIM [24]
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What is the mathematical name for the object that is defined by the Crocodile River?
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