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makvit [3.9K]
3 years ago
12

The scale of a model train is 4 inches to 30 feet. One of the cars of the model train is 6 inches long. What is the length, in f

eet, of the actual train car?
Mathematics
1 answer:
Ilya [14]3 years ago
7 0
The answer is 45 feet. You would set up the problem as two ratios, 4 inches to 30 feet and 6 inches to x feet. You would then cross multiply to solve for x where 4x = 180 and x = 45 feet. 
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Isreal has $57 in the bank. He adds $32 to it each month. He wants to buy a bike that cost $435. Every month the bike's price is
wlad13 [49]

Answer:

9

Step-by-step explanation:

57 + 32x equals 435 - 10x

42 x equals 378

x equals 9

5 0
3 years ago
I have no congruent sides. One of my angles has a measure of 100 degrees.
aliina [53]
The answer is a scalene triangle
5 0
3 years ago
Lee has $1.75 in dimes and nickels. The number of nickels is 11 more than the number of dimes. How many of each coin does he hav
Schach [20]

Answer:

Lee has 19 nickels and 8 dimes

Step-by-step explanation:

hello, I think I can help you with this

Step 1

Let

value of a nickel=$0.05

value of a dime=$0.10

number of nickels=N

number of nickels=D

According to the question data Lee has $1.75 in dimes and nickels.

0.05N+0.1D=1.75,equation(1)

also, the number of nickels is 11 more than the number of dimes.mathematical speaking

N=11+D,equation(2)

Step 2

replace N from equation (2) into equation (1)

0.05N+0.1D=1.75

0.05(11+D)+0.1D=1.75

Now, solve for D

0.55+0.05D+0.1D=1.75

0.15D=1.75-0.55

D=1.2/0.15

D=8

Step 3

replace the value of D into equation(2) to obtain N

N=11+8

N=11+8

N=19

Hence, Lee has 19 nickels and 8 dimes

Have a great day.

5 0
3 years ago
Find the value of x and y and please show all work.
elena55 [62]

Answer:

x=66

y=48

Step-by-step explanation:

because the two length is same, so the angle x= 66 will be same; y= 180-66-66=48

6 0
3 years ago
Read 2 more answers
Jane works as a tutor for $14 an hour and as a waitress for $11 an hour. This month, she worked a combined total of 93 hours at
daser333 [38]

Answer:

3t + 1,023

Step-by-step explanation:

The computation is shown below:

As a tutor it is $14 per hour

As a waitress it is $11 per hour

Total number of hours worked is 93

Now let us assume the number of hours worked as a tutor is t

So as a waiter is 93 - t

Now the equation is

= $14(t) + $11(93 - t)

= 14t + 1,023 - 11t

= 3t + 1,023

3 0
2 years ago
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