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ella [17]
3 years ago
11

Done8P4_Lessons_for_23 March 20209x + 6y – 2 – 4y + 22​

Mathematics
1 answer:
Anon25 [30]3 years ago
8 0
The result is: 9x+2y+20
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1. 40-(-40)+(5x4) i need to know this for my online classes to pass
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Answer:

5x4+80

Step-by-step explanation:

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A book store is keeping track of the price of books according to the number of pages. Which scatterplot represents that bivariat
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Answer:

The graph has pages on the X-axis and price (dollars) on the Y-axis

Step-by-step explanation:

The X-axis will always have the independent variable (pages), while the Y-axis will have the dependent variable (number of pages).  The pages will exist no matter how many there are, but the price is influenced by the number of pages.

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3. James drives for 5 hours at a certain speed and then for 4 hours at a speed 6 km/h greater than his original speed. If he dri
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Answer:30km/hr

Step-by-step explanation:

Total distance=294km

Speed=s

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First drive:

t=5

d=s x t

d=s x 5

d=5s

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t=4

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The new speed= s+6

d=4(s+6)

Total distance=294

5s + 4(s + 6)=294

5s + 4s + 24=294

Collect like terms

5s + 4s=294 - 24

9s=270

Divide both sides by 9

9s/9=270/9

s=30

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3 years ago
Maxwell ran4 days last week. He ran 3/8 of a mile each day.How far did he run in all?
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Step-by-step explanation:

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Step-by-step explanation:

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