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qwelly [4]
3 years ago
8

Use the substitution method to solve the system of equations. Choose the correct ordered pair.

Mathematics
1 answer:
balandron [24]3 years ago
7 0
Here you have 2 linear equations and are to solve this system.  Both equations have already been solved for y, so you can set one of them = to the other one:

-2x+11 = -3x+21.

Then 3x-2x = 21 - 11, or         x = 10 (answer)

Find y by subst. x = 10 into either of the given equations.

Solution is then (10, ? )
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6 0
3 years ago
ou decide to bake some cakes. You need 150 g of flour for 12 cakes. How much flour do you need for 30 cakes? g
Brilliant_brown [7]
Short answer: 375 grams

Remark
You only need to set up a direct proportion

Givens
flour for 12 cakes = 150 grams
Number of cakes initially = 12
Amount of flouer for 30 cakes = x
Number of cakes = 30

Proportion
amount flour for 12 cakes / 12 cakes  = x / 30

Sub and solve
150 grams / 12 cakes = x / 30 cakes  Cross multiply
150 * 30 = 12 *x                                  Multiply the left side. 
4500 = 12 x                                         Divide both sides by 12
4500/12 = x
375 grams for 30 cakes. <<<<< Answer
5 0
3 years ago
Which expression is equivalent to 4 * 4 * 4 * 5 * 5?
jekas [21]

Answer:

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Step-by-step explanation:

3 0
2 years ago
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PSYCHO15rus [73]

Answer:

g(1) = 0

There is a remainder of 10 so you can automatically cross out 3 and 4.

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Write the equation of the line in fully simplified slope-intercept form.
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Answer:

The slope of this line will be y=-3/4x+3

Step-by-step explanation:

Hope this Helped

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