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xxTIMURxx [149]
3 years ago
12

3 • (4 + 5) is how much more than 3 • 4 + 5 ?

Mathematics
1 answer:
IrinaK [193]3 years ago
8 0

Answer:27

Step-by-step explanation:

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Javier used the equivalent ratios to find the number of millimeters in 8 inches. StartFraction 8 inches Over question mark milli
joja [24]

Answer:

203.20 millimeters

Step-by-step explanation:

StartFraction 8 inches Over question mark millimeters EndFraction = StartFraction 40 inches Over 1,016 millimeters

8 inches / ? Millimeters = 40 inches / 1,016 millimeters

8 × 1,016 = ? × 40

8,128 = 40?

Divide both sides by 40

? = 8,128 / 40

= 203.20

? = 203.20 millimeters

There are 203.20 millimeters in 8 inches

7 0
3 years ago
Read 2 more answers
5b + 7a + 15 - a + 2b - 10
Margarita [4]

Answer: i think its  7b+7a+15 - a - 10 and 7(8j + 5) -12

Step-by-step explanation:

7 0
3 years ago
What are the similarities between S waves and surface waves
Nikolay [14]
Both arrive after P Waves.
6 0
3 years ago
There are 12 people having lunch. Each person wants 1/3 of a sub sandwich. How many whole sub sandwich are needed
Oliga [24]
12/3= 4
Need 4 whole sub sandwiches in orders for everyone to get 1/3 of a sandwich
3 0
3 years ago
Read 2 more answers
Jeremy lost his dog, and wants to make some signs to put up in the neighborhood. The cost to make 8 paper signs and 2 laminated
Mashcka [7]

Answer:

cost to make paper signs = $1

cost to make laminated signs = $2

Step-by-step explanation:

Let

x = cost to make paper signs

y = cost to make laminated signs

8x + 2y = 12 (1)

10x + 10y = 30 (2)

Multiply (1) by 5

40x + 10y = 60 (3)

10x + 10y = 30 (2)

Subtract (2) from (3) to solve for x

40x - 10x = 60 - 30

30x = 30

x = 30/30

x = $1

Substitute x = 1 into (1)

8x + 2y = 12

8(1) + 2y = 12

8 + 2y = 12

2y = 12 - 8

2y = 4

y = 4/2

y = $2

cost to make paper signs = $1

cost to make laminated signs = $2

5 0
3 years ago
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