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matrenka [14]
3 years ago
10

If a/b=5/3 then 3a = ____.

Mathematics
2 answers:
Tresset [83]3 years ago
3 0
Answer: 15
a=5, b=3
3a= 3x5= 15
maks197457 [2]3 years ago
3 0

Answer: 15

Step-by-step explanation:

If a/b is equal to 5/3 then a= 5 and b= 3

3a is equal to 3 times a which is equal to 3*5

3 times 5 is 15 so 3a=15

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8 0
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Which numbers round to 0.8 when rounded to the nearest tenth?
patriot [66]

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3 0
3 years ago
Read 2 more answers
2. Graph the function y=x^2+2x-3 . Draw a chart to show at least three ordered pairs that are on the graph.
lidiya [134]
You'd have to draw a table of x and y values first to be able to graph.
Step 1: Pick any number for x. Let's pick 2.
Step 2: Plug in 2 into the equation: y = 2^2 + 2(2) - 3
Step 3: Solve for y: 4 + 4 - 3 = 5
Step 4: So the point (ordered pair) would be (x, y) ⇒ (2, 5). You can plot that on the graph.

Follow these steps 2 more times to get at least three ordered pairs.

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6 0
3 years ago
2 = 81 please help lol
djverab [1.8K]

Answer:

40.5 is what they are divided

Step-by-step explanation:

4 0
3 years ago
A hot air balloon festival, Mohammed’s balloon is at 40 feet and rises at a rate of 10 ft./min. dana’s balloon is at a height of
nekit [7.7K]

Answer:

  • 5 minutes
  • 90 ft

Step-by-step explanation:

After some number of minutes m, Mohammed's altitude will be ...

  40 +10m

and Dana's altitude will be ...

  165 -15m

The altitudes will be the same when ...

  40 +10m = 165 -15m

  25m = 125 . . . . . . . . . . . add 15m-40

  m = 5 . . . . . . . . . . . . . . . divide by 25

The height of the two balloons after 5 minutes will be 40+10·5 = 90 ft.

8 0
3 years ago
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