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cupoosta [38]
3 years ago
14

I need help answering all of these. My teacher thinks that we should know this even though he hasn´t taught us any of this. plea

se help?! thank you!

Mathematics
1 answer:
bearhunter [10]3 years ago
3 0

Answer:

Step-by-step explanation:

x/2=3.5

x=3.5*2

x=7

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QwQ hate math exams will mark brainliest and it’s worth 30 points <3
padilas [110]

Answer:

About 8.6 units.

If you count up and sideways, it would be 12, but then there is some stuff we need to calculate at the end because it's not fully.

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3 years ago
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20 in
alukav5142 [94]

Answer:

C

Step-by-step explanation:

This question can simply be answered by the process of elimination. All of the other answers have numbers behind the first number of the decimal. when you are rounding to the nearest tenth, you will have no numbers behind the decimal except 1. They will look like this:

11.70

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45.60

So, since we are looking for the nearest tenth, we would choose C because it is the only one that is rounded.

8 0
3 years ago
3 ¼ X 4=
timama [110]

Answer:

Step-by-step explanation:

13/4 x 4/1

52/4

13

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3/8 x 10/6

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3 years ago
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Help me please with an explanation<br><br> to please
tekilochka [14]
The answer is 8
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8 0
3 years ago
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The function f(x) = 0.4x² – 36x +1000, models the number of accidents, f(x), per 50 million
eimsori [14]

Answer:

f(50) = 200

There are 200 accidents per 50 million miles for 50 year old drivers

Step-by-step explanation:

Given

f(x) = 0.4x^2 - 36x + 1000

Required

Determine f(50)

To do this, substitute 50 for x

f(x) = 0.4x^2 - 36x + 1000

f(50) = 0.4 * 50^2 - 36 * 50 + 1000

f(50) = 0.4 * 2500 - 1800 + 1000

f(50) = 1000 - 1800 + 1000

f(50) = 200

Interpretation: There are 200 accidents per 50 million miles for 50 year old drivers

3 0
3 years ago
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