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IgorC [24]
3 years ago
14

Calvin's plane is flying at a speed of 600 miles per hour. If y represents the distance the plane has traveled and z represents

the time it has spent traveling, which of the following equations shows the relationship between y and z? PLEASE ANSWER ASAP!!!! I AM IN THE MIDDLE OF A TEST!!!
Mathematics
1 answer:
Ksenya-84 [330]3 years ago
7 0

Answer:

D

Step-by-step explanation:

the answer is d because the amount of speed changes the total amount of distance that he travels in time

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Help me pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
yaroslaw [1]

Answer:

The answer is 4z^2 + 7z

Step-by-step explanation:

7z + 4z^2 +6 - 6

So, just combine like term which is 6 - 6 = 0

So, the remaining is 4z^2 + 7z that cannot be simplified anymore

7 0
2 years ago
√4x+1=3<br> How do I answer thid
klio [65]

Answer:

1

Step-by-step explanation:

√4x+1=3

√4x = 3 - 1

√4x = 2

squaring both sides,

(√4x)² = 2²

4x = 4

x = 4/4

x = 1

7 0
3 years ago
find the volume of a solid that is generated by rotating around the indicated axis the plane region bounded by the giveb curves:
Fofino [41]
Assuming the area below the line y=0 (i.e. x>1) does NOT count, the area to be rotated is shown in the graph attached.

A. Again, using Pappus's theorem,
Area, A = (2/3)*1*(1-(-1))=4/3  (2/3 of the enclosing rectangle, or you can integrate)
Distance of centroid from axis of rotation, R = (2-0) = 2
Volume = 2 π RA = 2 π 2 * 4/3 = 16 π / 3 (approximately = 16.76 units)

B. By integration, using the washer method
Volume = 2\pi\int_{-1}^1(1-x^2)(2-x)dx
=2\pi\int_{-1}^1(x^3-2x^2-x+2)dx
=2\pi[x^4/4-2x^3/3-x^2/2+2x]_{-1}^{1}
=2\pi([1/4-2/3-1/2+2]-[1/4+2/3-1/2-2])
=2\pi(8/3)
= 16 π /3   as before



3 0
3 years ago
From the top of a cliff, which is 120 meters above the water, tha angle of depression of a boat on the water is 18°. How far is
harina [27]
To find how far the boat is from the bottom of the cliff is you’ll use tan;

Tan18degrees=120/x

x=120/tan18degrees

x=369m
4 0
3 years ago
X-3/18=12/9<br> what is the answer? It is proportions.
olga nikolaevna [1]

Answer:

x=3/2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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