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joja [24]
3 years ago
7

A 6th grade math teacher can grade 15 homework assignments in 24 minutes. If he works at the same rate, how long should it take

him to grade 36 homework assignments?[type your answer as a decimal number]
Mathematics
1 answer:
coldgirl [10]3 years ago
4 0

Answer:

57.6

Step-by-step explanation:

If hê works 15 grades in 24 min how long hê will take to finish 36 grades

15 grades= 24 min

36 grades=?

Cress cross

15grades?=24min x 36grades

15 grades?=864 min grades

15grades/15grades?=864mingrades/15grades

?=57.6 min

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3 10 in . = 7 8 mi . what is the unit rate
Sav [38]

Answer: (3/10) in = (7/8) mi

1 in = (7/8) mi ÷ (3/10)

      = 7/8 * (10/3) = 70/24

1 in = (70/24) mi

It means every 1 inch on the map drawing represents (70/24) miles ≈ 2.917 miles in reality.  

Hope this helps :)

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6 0
3 years ago
Write an equation for the line on the graph below<br><br> I need help on both of them
LiRa [457]

Answer:

1st one, x=-1

2nd on, y=2

Step-by-step explanation:

4 0
3 years ago
Consider the following system of equations.
Katena32 [7]

D.)  "The graphs of the equations intersect each other at two places."

8 0
4 years ago
A softball fits snuggly inside a cubical box that is 4 inches on each side. What is the volume of the softball that fits snuggly
Natali5045456 [20]

Answer:

33.5 cubic inches.

Step-by-step explanation:

If the softball fits perfectly inside the cubical box, the softball is a sphere with diameter of 4 inches (radius os 2 inches).

The volume of a sphere is given by:

V= \frac{4}{3}\pi r^3

For r = 2 inches:

V= \frac{4}{3}*3.14* 2^3\\V=33.5\ in^3

The volume of the softball is 33.5 cubic inches.

4 0
3 years ago
Need help on this question too hard :((​
andrew-mc [135]

Answer:

2/3

Step-by-step explanation:

Convert the fractions to decimals.

2/3 = 0.666

4/5 = 0.8

14/18 = 0.777

34/50 = 0.68

From the decimals, 0.666 is the only option which falls between 0.5 and 0.75.

5 0
3 years ago
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