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zepelin [54]
3 years ago
8

On a coordinate plane, a piecewise function has 2 lines. The first line has a closed circle at (negative 2, negative 2) and then

goes up through (negative 4, 2) with an arrow instead of an endpoint. The second line has an open circle at (2, 1) and then goes up through (5, 4) with an arrow instead of an endpoint.
Which values are within the domain of the function? Check all that apply.

x = –6
x = –4
x = –2
x = 0
x = 2
x = 4
Mathematics
1 answer:
telo118 [61]3 years ago
4 0

Answer:

x=-6

x=-4

x=-2

x=4

Step-by-step explanation:

just did the test on e2020 and this was the answer!

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An airplane ascends such that its gain h in altitude is proportional to the square root of the change x in horizontal distance t
Mazyrski [523]

Answer:velocity=185 m/s

Step-by-step explanation:

So make k the subject of the formula by divide both by sqrt(x)

h= k × sqrt(x)

k=h/sqrt(x)

k=256 / sqrt(256)

k=256 / 16

k=16

So now substitute the value of k :

h= 16 × sqrt (x)

Then differentiate:

=(1/2 × sqrt(x))× 16

=16/(2×sqrt(x)

=8/sqrt(x)

Then

= 8/sqrt(x) × 370

=8/ sqrt(256) × 370

=8/16 × 370

velocity=185 m/s

6 0
3 years ago
timothy's video game the levels starts with 30 aliens each worth five points Timothy already shot 6 of them how many more points
Nat2105 [25]

Answer:

70 points

Step-by-step explanation:

7 0
2 years ago
Plz tell me how to do question 18
bagirrra123 [75]

Answer:

750kmph

Step-by-step explanation:

Average is sum of all parts divided by the number of parts.

Let Stot be average speed for total trip (800kmph).

Let S1 be speed for first quarter of trip (950kmph).

Let S2, S3, and S4 be the speeds of each of the remaining quarters respectively.

Let Sans be the average speed for the remaining three quarters of the trip (a.k.a. The Answer!).

Stot = (S1 + S2 + S3 + S4) / 4

800kmph = (950kmph + S2 + S3 + S4) / 4

3200kmph = 950kmph + S2 + S3 + S4

3200kmph - 950kmph = 2250kmph = S2 + S3 + S4

Divide both sides by 3.

2250kmph / 3 = (S2 + S3 + S4) / 3 = Sans

Sans = 750kmph

8 0
2 years ago
Someone help me leran this meth problem
Sergio [31]

Answer:


Step-by-step explanation:


3 0
3 years ago
Read 2 more answers
This is a little difficult for me! Can someone explain?
ch4aika [34]

Answer:

We can write sin 21° as 1200 / x and also 0.36 so we can write:

1200 / x = 0.36

1200 = 0.36x

x = 1200 / 0.36

x ≈ 3333 ft

5 0
3 years ago
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