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MissTica
2 years ago
5

Help please explain answer.

Mathematics
1 answer:
Helga [31]2 years ago
7 0

Answer:

A. 20

Step-by-step explanation:

Firstly, you have an equation  where x is unknown.

It is said to find the result of this equation if x is 5.

That means you have to substitute 5 instead of x in your equation.

That will be:

3*5+4*5-15

When you calculate that, you get number 20.

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an athlete is running around a circular path that has a diameter of 250 and an arc of 120 also use 3.14 as pie
erastova [34]

Answer:

1257.14 m or 1.26 km

Step-by-step explanation: hope this helps :)

4 0
3 years ago
If r=0.5 and a6=0.03125 what is the value of a1?
andre [41]

I guess this is a geometric series:

a6 = a1 * r^5 so

a1 =  0.03125 / 0.5^5

=  1    answer

5 0
3 years ago
Read 2 more answers
What is the value of 5-8×(7-15+8)
salantis [7]

Answer:

I'm pretty sure that the answer is 5. Correct me if i'm wrong

Step-by-step explanation:


6 0
2 years ago
How to solve this equation algebraically: Y=2x+1<br> 3x+4y=26
AURORKA [14]
You can substitute what y is into the second equation, so:
3x + 4(2x + 1) = 26
3x + 8x + 4 = 26
11x + 4 = 26
- 4
11x = 22
÷ 11
x = 2

y = (2 × 2) + 1
y = 5 + 1
y = 5

So you get x as 2 and y as 5, I hope this helps!
3 0
3 years ago
0.0176165803 is estimated to what
bezimeni [28]
It most common to round to the hundredths place, this is two spaces after the decimal. 

So look two spaces right - 0.17. If the third digit (in this case 6) is higher than 5 you round the number up if its not, keep it the same. 

"6" is greater than five, so round it to about (or approximately) 0.18.
5 0
3 years ago
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