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WARRIOR [948]
3 years ago
13

2) Bobby makes model train sets. Each set requires 1,998 pieces of track. At the Hobby store, there are 37 pieces in each box. a

.How many boxes does Bobby have to buy to make a model train set? Show all your work.
Mathematics
1 answer:
eimsori [14]3 years ago
5 0

Answer:

You never gave the speed of the blue train. The path to collision is equal to 1½ circles. 1.5 x 210 meters = 315 meters I'm going to arbitrarily guess the speed of the blue train is 15 meters per minute. They are therefore approaching each other at a combined rate of 35 meters per minute. 315 / 35 = 9 minutes Answer: 9 minutes

Step-by-step explanation:

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A wood stove burns 4 same-sized logs in 2 hours. How many logs does the stove burn in 8 hours?
Liono4ka [1.6K]
(4logs/2hours) = (x logs/8 hours)

(4/2) = x/8)

Cross multiplication gets you:

(4)(8) = (2)x
32 = 2x
x = 16

16 logs
8 0
2 years ago
Read 2 more answers
Here are 20 students in Jacob's homeroom. Five students bring their lunch to school. The rest eat lunch in the cafeteria. In sim
murzikaleks [220]

Answer: 3/4

Step-by-step explanation:

Number of students in Jacob's homeroom = 20.

Number of students who bring their lunch to school = 5

Since the rest eat lunch in the cafeteria, the number of those who eats in the cafeteria will be:

= 20 - 5

= 15

Fraction that eats in the cafeteria will be: = 15/20 = 3/4

5 0
3 years ago
The diameter of Joe's large pizza is 19 inches. Approximately how many inches are there in the circumference of the large pizza?
Burka [1]

Answer:

There are 59.66 inches in the circumference of the large pizza.

Step-by-step explanation:

It is given that:

Diameter of Joe's large pizza = 19 inches

Diameter = 2r

2r = 19

Circumference of large pizza = 2πr = 2r * π

Circumference of large pizza = 19*3.14

Circumference = 59.66 inches

Therefore,

There are 59.66 inches in the circumference of the large pizza.

6 0
2 years ago
What are the x- and y-intercepts of the line tangent to the circle (x – 2)2 + (y – 2)2 = 52 at the point (5, 6)?
Mrrafil [7]
1 ) They are perpendicular.
2 ) m · (-1) / m = -1.
The product of the slopes is -1.
3 ) The center of the circle is ( 2, 2 ).
4 ) m = (6-2 ) / 5 -2 = 4/3
5 ) Slope of the tangent: m = - 3/4.
6 ) m = -3/4, passes through the point: ( 5. 6 ):
6 = - 15/4 + b
b = 24/4 + 15/4
b = 39/4
The slope-intercept equation is:
y = -3/4 x + 39/4
7) We will put : x = 0 in the linear equation.
8 ) We will put y = 0 in the linear equation.
9 ) y-intercept : y = 9.75
Zero: x = 13.

3 0
2 years ago
3x^2-5=0 completing square
Valentin [98]
It would be good if you add the answers choice, but I guess it’s (b/2)^2
5 0
2 years ago
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