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BlackZzzverrR [31]
3 years ago
13

If there are 220 members of the 7th grade, then how many students can be expected to prefer the zoo?

Mathematics
1 answer:
Citrus2011 [14]3 years ago
4 0

66 students can be expected to prefer the zoo.

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Somebody help please
Goryan [66]

Answer:

C

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
PLEASE HELP ME I CANT FAIL THIS CLASS
ale4655 [162]

Answer:

It would be the first answer.

Step-by-step explanation:

y=-2x^2+4x-2

y=-2(-1)^2+4(-1)-2

y=-2(1)-4-2

y=-2-4-2

y=-6-2

y=-8

(-1,-8)

-Hope this helps!-

-Please mark as brainliest!-

-Good luck!-

4 0
3 years ago
When flying at an altitude of 5 miles, the lines of sight to the horizon looking north and south make about a 173.7 degree angle
oksian1 [2.3K]
5 miles high is one of the sides of a triangle depending on accuracy level
h^2=x^2+y^2
we don't have 2 distances
Tan A=O/a
O=a tan A
We solve for O because the angle is at the top of the line going up and we want the opposite angle that is along the ground
O=5×tan(173.7/2)=90.854033512
The distance he can see is:
90.85*2~181.7 miles

Now we need to find the distance between lines:
The north south distance between each line is 69 miles
thus the number of degrees he will see will be:
181.7/69
=2 19/30
7 0
3 years ago
What is the answer to this question?
andrey2020 [161]

Answer:

EF/IH and AD

Step-by-step explanation:

diameter is 2x radius

4 0
2 years ago
If a gas-filled balloon rises 40 feet in the 1st minute, 60 feet in the 2nd minute, and 80 feet in the 3rd minute, how many feet
tresset_1 [31]
The distance traveled by the balloon in every minute makes an arithmetic sequence with a first term equal to 40 ft and common difference equal to 20. The nth term of an arithmetic sequence is calculated by,
                                     an = a1 + (n - 1) x d
Substituting,
                                      an = 40 + (15 - 1) x 20 = 320
Thus, the answer is letter B. 320 feet.
7 0
3 years ago
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