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pickupchik [31]
3 years ago
11

Help pls dont give wrong answer just for points! .Question:There are 267 students and 21 adults going on a school trip.An equal

number of people will ride on each bus.If their are 9 buses,how many people will ride on each bus? Write and slove equations
Mathematics
1 answer:
Free_Kalibri [48]3 years ago
4 0

Answer:

32

Step-by-step explanation:

267 + 21 = 288

288 ÷ 9 = 32

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Is her hair really that long... Possibly a brainly help me understand scientific notation better <3
Olenka [21]

Answer: 1 x 10^3

Step-by-step explanation:

6 0
2 years ago
A small radio transmitter broadcasts in a 69 mile radius. If you drive along a straight line from a city 93 miles north of the t
larisa86 [58]

Answer:

See Explanation

Step-by-step explanation:

According to the Question,

  • We have A small radio transmitter that broadcasts in a 69-mile radius. If you drive along a straight line from a city 93 miles north of the transmitter to a second city 78 miles east of the transmitter.

Thus,

The distance that you get reception is the length of the chord created by the intersection of the circle defining the edge of transmission and the line defining the car trip.

  •  x2 + y2 = 69²               this is the circle

And,

The Transmitter at the origin

City to the north at (0,93)  & City to the east at (78,0)  

the Slope is M=(-93/78)

Intercept is B= y - mx ⇒  93 - (-93/78)(0) = 93

The equation of the line between the cities is y = (-93/78)x + 93

  • y = -93x/78 + 93           this is the line

Now, Solve the above two Equations

The intersection is gotten from the picture or solving:

x^2 + [(-93/78)*x + 93]^2 = 69^2

  • on solving we get, the points approximately are: (67.952,11.98 ) and (23.6277, 64.82)

Now,

From the Pythagorean theorem the total distance of the trip is:  

d1 = √(93^2 + 78^2) ≈ 121.37miles  

And the distance when the signal is picked up is:

d2 =√ [(67.952-23.627)^2 + (64.82 - 11.98)^2] ≈ 68.96 miles

You will pick up a signal from the transmitter in (d2/d1)*100 = 56% of the drive.

3 0
3 years ago
16.) Choose the words that make the sentence true.
Effectus [21]

Answer:

12 is composite because it has more than two factors.

Step-by-step explanation:

8 0
3 years ago
For a biology project, you measure the weight in grams and the tail length in millimeters of a group of mice. The correlation is
olga nikolaevna [1]

Answer:

Step-by-step explanation:

Given that for a biology project, you measure the weight in grams and the tail length in millimeters of a group of mice.

The correlation is r = 0.9

If you had measured tail length in centimeters instead of millimeters, what would be the correlation?

For this we must understand the meaning of correlation and formula

Correlation is a measure of linear association between the two variables and always lie between -1 and 1

This is got by dividing covariance of (x,y) by product of std deviation of x and y

So because we changed the units of length correlation coefficient would not change.

It would remain the same as 0.90

8 0
3 years ago
URGENT!!!!!
VikaD [51]

Answer:

A) 240 m^3

Step-by-step explanation:

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3 years ago
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