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tresset_1 [31]
3 years ago
11

If f(x) = StartFraction x Over 2 EndFraction + 8, what is f(x) when x = 10?

Mathematics
2 answers:
seraphim [82]3 years ago
6 0

Answer:

13 on edge 2021

Step-by-step explanation:

nikdorinn [45]3 years ago
5 0

Answer:

13

Step-by-step explanation:

test edge2020

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IgorC [24]

Answer:

Step-by-step explanation:

6 0
3 years ago
A circle has a circumference of 138.16 meters. What is the diameter of the circle ?
Neporo4naja [7]
<span>circumference = 2 π r
138.16 = 2 π r
138.16/2π = 2π/2π r
21.98884694 =r
D</span><span>iameter = r X 2
</span>Diameter = <span><span>21.98884694</span> X 2</span>
Diameter = 43.97769388
7 0
3 years ago
Ahmad lost 50 dollars from his pocket.<br><br>Write a signed number to represent this change.
IRINA_888 [86]

Answer:

-50

Step-by-step explanation:

it could be X-50=?

8 0
3 years ago
Some students were asked what kinds of animals they have at home.
Nataly_w [17]

(a) Animals by popularity; Dogs, Cats, Others, Horses.

(b) If 250 students were interviewed, 20 students have other pets.

(c) No, it was incorrect.

Step-by-step explanation:

Step 1; We arrange the different pets in chronological order, from the highest percent to the lowest percent;

1. Dogs - 67%,

2. Cats - 20%

3. Others - 8%,

4. Horses - 1%.

None is not included in this list.

Step 2; If 250 students were interviewed, 8% of those have other pets. So we need to calculate how much 8% of 250 is.

8% of 250 = \frac{8}{100} × 250 = 0.08 × 250 = 20.

So 20 students had other pets.

Step 3; 20% of the interviewed students had cats. If 75 students had cats, we need to equate 20% to the 75 and find out how many students were actually interviewed.

20% × x = 75, 0.2 × x = 75,

x = \frac{75}{0.2} = 375.

So if 375 students were interviewed, 75 students would have cats. So the estimate of 250 students being interviewed is incorrect.

8 0
3 years ago
Which is an equation of the line that passes through the points (-6,-8) and (4,-4)
natita [175]

Answer:

y=\frac{2}{5}x-6.5

Step-by-step explanation:

\frac{(-8)-(-4)}{(-6)-4} \\ = \frac{-4}{-10} = \frac{2}{5\\}

y=mx+b

-8 = (\frac{2}{5}) (-6) +b

-8 = - \frac{12}{8} +b

b= -6.5

5 0
3 years ago
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