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Svet_ta [14]
3 years ago
15

I need help someone explain?????

Mathematics
1 answer:
Tju [1.3M]3 years ago
3 0
9. Her ratio is totally upside down. It’s supposed to be 1/12. It’ll be 276/12, and that’ll give you how many teachers there are. 276/12 is 23. That means that there are 23 teachers.
10. I’d say never or sometimes. Ratios can literally be any numbers. Anything. In any order.
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The nth term is 3n+2
poizon [28]

Answer:

5, 8, 11 and 32

Step-by-step explanation:

For the first 3 terms, substitute n = 1, 2, 3 into the n th term formula

a₁ = 3(1) + 2 = 3 + 2 = 5

a₂ = 3(2) + 2 = 6 + 2 = 8

a₃ = 3(3) + 2 = 9 + 2 = 11

Similarly for tenth term, let n = 10

a₁₀ = 3(10) + 2 = 30 + 2 = 32

7 0
3 years ago
In a random sample of 500 people, 160 had blue eyes. In a group of 2500 people, how many would you expect to have blue eyes?
Rzqust [24]
If I'm right, then the answer would be B. 800. Hope I helped!
3 0
3 years ago
What is the slope intercept of a line that passes through points (-4,-1) and (-8,7).
aliya0001 [1]

Answer:

-2

Step-by-step explanation:

y2 - y1 / x2 - x1

7 - (-1) / -8 - (-4)

8/-4

= -2

8 0
3 years ago
To calculate the density of an object,you wpuld?
il63 [147K]
It would be the mass divided by the volume

the equation is d = m/v from what i remember
5 0
2 years ago
Which of the statements are true about the function f given by f(x) = 100-e? Select all that apply.
tatiyna

From the above function, it is clear that the value of f is never 0. Hence the statement that is true is (Option E), See explanation of same below.

<h3>What is the explanation for the above function?</h3>

Note that the function is related to Euler's number which is depicted as:
e ≈ 2.7182. The function is given as:

f(x) = 100 * e^{-x}

Assuming x = -2, we'd have:

100 * 2.7182^{-2}

= 271.82^{-2}

= 0.00001353354

Hence, even when x tends < 0 the function f(x) thus, is never 0. See the attached graph for confirmation.

Learn more about functions at:

brainly.com/question/25638609

#SPJ1

6 0
2 years ago
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