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3 years ago

HELP QUICK THIS IS DUE IN FIVE MINUTES!!!!!

Mathematics

2 answers:

Komok [63]3 years ago

8 0

2 x (5-2)^3
2 x (3)^3
2 x 27
54

Mnenie [13.5K]3 years ago

3 0

Answer:

Step-by-step explanation:

hoffe ich bin nicht zu spat

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A candy company puts 7 gumdrops in each bag. How many gumdrops will the company need to fill 9 bags?

stiv31 [10]

Answer:

Step-by-step explanation:

In these 9 bags, each must have 7 gumdrops. So, we can add 7 nine times to itself. 7 + 7 + 7 + 7 + ... = 63

OR HERE'S A FASTER WAY *WINK WINK*

Instead of doing repeated addition, we can multiply 7 and 9 together.

Why multiply?

We're going to multiply 7 x 9 so that it means seven gumdrops for each of nine bags.

7 x 9 = 63.

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3 years ago

I need help with question 16

Valentin [98]

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3 years ago

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Solve using the elimination method: X-3y=7 3x + 3y=9

sergij07 [2.7K]

Answer:

$x=4\\\\y=-1$

Step-by-step explanation:

Given Equation:

$x-3y=7$ Equation:1

$3x + 3y=9$ Equation:2

Dividing Equation:2 by '3' both the sides:

$x+y=3$

or $x=3-y$ Equation:3

Putting the vale of 'x' in Equation:1

$x-3y=7$

$(3-y)-3y=7\\\\3-y-3y=7\\\\3-4y=7\\\\$

Subtracting '3' both sides

$-4y=7-3\\\\-4y=4$

$y=\frac{4}{-4}$

$y=-1$

Putting value of 'y' in Equation:3

$x=3-y$

$x=3-(-1)\\\\x=3+1\\\\x=4$

The solution of the equations is :

$x=4\\\\y=-1$

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4 years ago

2. Jackson ran in a marathon for 3

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Answer:

about 61 mph

Step-by-step explanation:

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Which angle relationship alone could be used as a reason that two angles are congruent?

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Supplementary angles

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