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LiRa [457]
3 years ago
15

-8, 22, 52, 82, ... Find a 20

Mathematics
1 answer:
gladu [14]3 years ago
8 0

Answer:

Step-by-step explanation:

It is an arithmetic sequence with common difference d = 30.

a₂₀ = a₁ + (20-1)d = -8 + 19·30 = 562

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Dave is making a recipe for soup that includes 12 cups of water and 3 cups of broth. how many times as much water as broth will
OlgaM077 [116]

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3 years ago
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1) x+30 = 40
soldier1979 [14.2K]

1)x+30=40

x=40-30

Answer :x=10

2)30-20+2x=10

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2x=0

Answer: x=0

3)3x-10+13=-2x+28

3x+3=-2x+28

3x+2x+3=28

3x+2x=28-3

5x=28-3

5x=25

x=5

4)13x-23-45=-7x+12

13x-68=-7x+12

13x+7x-68=12

13x+7x=12+68

20x=12+68

20x=80

x=4

5)2(x+4)=10x+24

2x+8=10x+24

2x-10x+8=24

2x-10x=24-8

-8x=24-8

-8x=16

x=-2

6)3(x-5)=1-(2x-4)

3x-15=1-(2x-4)

3x-15=1-2x+4

3x-15=5-2x

3x+2x-15=5

3x+2x=5+15

5x=5+15

5x=20

x=4

7)5x-10=15

5x=15+10

5x=25

x=5

8)x+4=x+6

4=6

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4 0
3 years ago
Ms. Wall will roll a dice. What is<br><br> the probability that she will roll an even number?
Sergeu [11.5K]

Answer:

50%

Step-by-step explanation:

half of the numbers on dice are even

5 0
2 years ago
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