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Advocard [28]
3 years ago
7

the scale of a model train is 1 inch to 13.5 feet. One of the cars of the model train is 5 inches long. What is the lenght, in f

eet, of the actual train car. show your work.
Mathematics
1 answer:
Dominik [7]3 years ago
6 0

Answer:

67.5

Step-by-step explanation:

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I need helpppppppp!!!!!!!!!!!!
Anna007 [38]
EF(g) corresponds HJ(i)
FG(e) corresponds JI(h)
GE(f) corresponds IH(j)
(h/e)*f=(23.4/11.7)*13.05=26.1
Answer C: 26.1
7 0
3 years ago
IGNOR MY ANSWER I ALSO NEED TO KNOW IF IT'S OPEND OR CLOSED Graph the solution to this inequality on the number line.
Alex777 [14]

Answer:

open circle

Step-by-step explanation:

\leq \geq = closed cirle\\ =open circle

6 0
3 years ago
Determine the constant rate of change (slope) of the linear function. A high school basketball team notices that attendance at i
kolbaska11 [484]

Answer:

The change in the people attending per game is 14.7 times as great as the change in the number of lost games.

This mean every game is lost, 14.7 less people (as the slope is negative) attend the next game.

Step-by-step explanation:

To calculate the slope, we need to relate two points of the function.

The slope m of the function y=m*x+b can be calculated as

We have the point (x=8, y=256) when it says 265 people attended the next game after the team lost 8 games.

The second point is (x=15, y=153) when it says 153 people attended the next game after the team lost 15 games.

We can write

y_2-y_1=(m*x_2+b)-(m*x_1+b)=m*(x_2-x_1)\\\\m=\frac{y_2-y_1}{x_2-x_1} =\frac{256-153}{8-15}=\frac{103}{-7}=  -14.7

7 0
4 years ago
How much will a person pay for 8.2 pounds of bananas at a price of $2.46 per pound?
kati45 [8]

Answer:

$19.99

Step-by-step explanation:

1 lb = 16 oz

8.2 lb = (16 x 8) +2= 130

\frac{16}{2.46} =\frac{1}{x}  ---> x = $0.154 per oz

0.154 x 130 =  $19.99

7 0
3 years ago
Read 2 more answers
A scientist has two solutions, which she has labeled Solutuion A and Solution B. Each contains salt. She knows that Solutuion A
ratelena [41]

a = amount (in oz) of solution A

b = amount of solution B

The scientist wants a mixture of 110 oz, so

a + b = 110

Solution A consists of 65% salt, so each ounce of solution A contributes 0.65 oz of salt; similarly, each ounce of B contributes 0.9 oz. The mixture is supposed to consist of 75% salt, which amounts to 0.75 * (110 oz) = 82.5 oz of salt. So

0.65 a + 0.9 b = 82.5

Solve for a and b:

b = 110 - a

0.65 a + 0.9 (110 - a) = 82.5

0.65 a + 99 - 0.9 a = 82.5

0.25 a = 16.5

a = 66  ==>  b = 44

5 0
3 years ago
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