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Wittaler [7]
4 years ago
7

I need help with number 12

Mathematics
2 answers:
castortr0y [4]4 years ago
8 0

Answer:

C.

Step-by-step explanation:

add up all of the angles correct ft im not sure but i think its C.

musickatia [10]4 years ago
7 0
The answer is C hope this helped
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Ally sold 18 boxes of girl scout cookies. This was 40% of the number of boxes that Kayla sold. How many boxes did Kayla sell?
S_A_V [24]

Answer:

Kayla sold 90 boxes of cookies.

Step-by-step explanation:

let's have X be the number of boxes Kayla sold.

x⇒100%

18⇒20%

Find x,

x=100/20 × 18

x=90

6 0
3 years ago
How to solve x+3y=3 and 2x-3y=-12
Sever21 [200]
Get x on one side then you can use substitution
So, change x+3y=3 to x= -3y+3
Then plug in x to other equation to find y
2(-3y +3)-3y=-12
-6y + 6 -3y = -12
-9y = -18
Divide both sides by negative nine to find y
y = 2
Then plug in to original equation to find x
x + 3(2) = 3
x + 6 = 3
x = -3
So, y = 2 and x = -3
3 0
3 years ago
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Pam and Jim were inspired by the most recent Space Xrocket launch (pictured below) and decided to build a rocket of their own. A
Anastaziya [24]
I can’t see that please try again
3 0
3 years ago
Diana is buying plates and cups for a party. She wants the same number of each. Plates are sold in packs of eight and cups are s
Citrus2011 [14]

Answer:

What is the least number of plates and cups she can buy?

The least number of cups of plates and cups she can buy is 24

How many packs of plates?

3 packs of plates

How many packs of cups?

2 packs of cups

Step-by-step explanation:

What is the least number of plates and cups she can buy?

We solve this using the Lowest Common Multiple method

The L.C.M of 8 and 12

Multiples of 8: 8, 16, 24, 32, 40

Multiples of 12: 12, 24, 36, 48

Therefore,

LCM(8, 12) = 24

Hence, the least number of cups and plates she can buy is 24

How many packs of plates?

Plates are sold in packs of eight

Hence: 24 ÷ 8 = 3 packs of plates

How many packs of cups?

Cups are sold in packs of 12

Hence: 24 ÷ 12 = 2 packs of cups

3 0
3 years ago
Apply the distribution to solve
Viefleur [7K]

Answer:

4(5+k)

Step-by-step explanation:

20+4k


20 = 2*10  = 2* 2*5

4k = 2*2*k

The common factors are 2*2  = 4

We can factor out a 4

What is left over is inside the parentheses

4(5+k)

8 0
4 years ago
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