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iogann1982 [59]
3 years ago
14

How Do I Answer This Question ?

Mathematics
2 answers:
sergeinik [125]3 years ago
7 0
Just divide the total cost, by the  amount of students. 

320 ÷ 16


djverab [1.8K]3 years ago
6 0
The answer is B because if you multiply 8x16 it equals 128 which you subtract from 320 which is 192 which you then divide by 8 which is 24
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What is an equation of the line that passes through the points (4,-6) and (8,-4)​
qaws [65]

Answer:

y =  \frac{1}{2} x - 8

Step-by-step explanation:

The equation of a line is usually written in the form of y=mx+c, where m is the gradient (also known as slope) and c is the y-intercept (the point through which the line cuts through the y-axis).

\boxed{gradient =  \frac{y1 - y2}{x1 - x2} }

Using the gradient formula above,

m =  \frac{ -4 - ( - 6)}{8 - 4}  \\ m =  \frac{ - 4 + 6}{4}  \\ m =  \frac{2}{4}  \\ m =  \frac{1}{2}

Substitute the value of m into the equation:

y= ½x +c

To find the value of c, substitute a pair of coordinates.

When x=4, y= -6,

-6= ½(4) +c

-6= 2 +c

c= -6 -2 <em>(</em><em>-2</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em><em>)</em>

c= -8 <em>(</em><em>simplify</em><em>)</em>

Thus, the equation of the line is y= ½x -8.

4 0
3 years ago
connor. counted twice as many zebras as clowns in the carnival.he counted a total of 36clowns and zebras in all.how many zebras
olga nikolaevna [1]
36 clowns and zebras..
if there are twice as many zebras as clowns then divide the amount by 2
36/2 = 18 so..
now there are 18 zebras and 18 clowns but we want twice as many zebras..

so by process of elimination we can figure out that
there are 24 zebras and 12 clowns which = 36 
the answer is 24 zebras Connor counted 
 
5 0
3 years ago
Tangent this equation: <img src="https://tex.z-dn.net/?f=63%28b-1%29%2B7%3D7%289b-8%29" id="TexFormula1" title="63(b-1)+7=7(9b-8
timurjin [86]

Answer: True for all <em>b</em>.

Step-by-step explanation: To tangent a equation, find if the variable is true.

1. Add 56 to both sides.

63b - 56 + 56 = 63b - 56 + 56 = 7

2. Simplify.

63b = 63b

3. Simplify again for your answer.

0 = 0

Hence, both sides are equal.

Let me know if you have any questions.

~ Lily, from Brainly.

7 0
3 years ago
Mr. Lin received a box of books in the shape of a rectangular prism. The volume of the box is 486 in? What is the width of the
Stels [109]

Answer: The answer is b 9 inches.

8 0
3 years ago
A cyclist travels 7 km from home to the park.
adell [148]

Answer:

28 km per hour

Step-by-step explanation:

First determine the amount of time that the trip took

17:55 - 17:40 = :15 or 15 minutes

We need the time in hours

15 minutes * 1 hour/ 60 minutes = 15/60 hours = 1/4 hours

To determine speed, take distance and divide by time

7 km ÷( 1/4 hours)

Copy dot flip

7 * 4/1

28 km per hour

4 0
3 years ago
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