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bekas [8.4K]
3 years ago
10

Answer asap!!!!!!!!!!The ratio of Evan’s red toy cars to blue toy cars is 3 : 4. Evan has 12 red toy cars. How many blue toy car

s does Evan have
A.9
B.12
C.13
D.16
Mathematics
1 answer:
Wittaler [7]3 years ago
7 0
The answer is D.16 hope it helps!!
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Why is it important to keep two sides of an equation balanced when solving?
Lady_Fox [76]

Answer:

An important property of equations is one that states that you can add the same quantity to both sides of an equation and still maintain an equivalent equation.  If you think of an equation as being like a balance scale, the quantities on each side of the equation are equal, or balanced.

Step-by-step explanation:

5 0
3 years ago
Video DVDs (ignoring the hole in the middle) have an area of 36π cm^2 The formula to calculate the circumference, C, for a circl
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It's 12π, because √36=6. 6×2= 12 :)
4 0
3 years ago
Find the cardinal number of 200, 201,202,203,...,1099​
klasskru [66]

Answer:

there is a thing called you can use that

Step-by-step explanation:

5 0
3 years ago
2 1/3 divided by 1/4
zloy xaker [14]
Answer:

28/3

Step-by-step explanation:

2 1/3 divided by 1/4

We’ll start by 2 1/3

Multiply 3 x 2 and then add 1

3 x 2 = 6 + 1 = 7

Then add the denominator back

7/3

Now divide 7/3 by 1/4 like this!

Start by multiplying 4 by 7

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Then multiply 3 by 1

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Final results: 28/3
7 0
3 years ago
I have a series of 2 questions.
Margarita [4]
1)
I:y=3x-4
II:9x-3y=14


substitute y into II:
9x-3*(3x-4)=14
9x-9x+12=14
12=14

this is obviously not equal so there is no solution, the lines are parallel

2)
I:y=4x+6
II:5x-y=6

substitute y into II:
5x-(4x+6)=6
5x-4x-6=6
x=12
substiute x into II:
5*12-y=6
-y=6-60
-y=-54
y=54

the solution is (12,54)
3 0
3 years ago
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