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WARRIOR [948]
2 years ago
15

Devon drove at the same speed for 4 hours. He drove a total of 120 miles,

Mathematics
2 answers:
ololo11 [35]2 years ago
3 0
He drove 30 miles in 1 hour
mr Goodwill [35]2 years ago
3 0

Answer: 30

Step-by-step explanation:

Devon drove 30 miles in 1 hour because 120/4 is 30

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WILL GIVE ALL MY POINTS working alone, machine a takes 2 hours to build a car, working alone machine b takes 3 hours to build a
kati45 [8]

Answer:

It will take Machine A 20 additional minutes.

Step-by-step explanation:

First we have get the rate of work per hour, Machine A builds 1/2 of a car per hour, while Machine B builds 1/3 of a car per hour.

Using this we can determine the amount of work that has been done so far in one hour before Machine B broke down:

1/2 + 1/3 = 3/6 + 2/6 = 5/6

Now we can produce an equation accordingly to determine how much time it'll take machine a to finish the job:

5/6 + 1/2x = 1

1/2x = 1/6

x = 1/3 hours = 20 minutes

Note: In the question you typed "how much additional time will it take machine b to finish" but I think you meant machine a because machine b broke down. Please correct me if I'm wrong.

Hope this helps! And let me know if you have any questions!

7 0
3 years ago
At Pizza Pi, 16% of the pizzas made last week had extra cheese. If 4 pizzas had extra cheese, how many pizzas in all were made l
Vladimir79 [104]
16% / 100%

4pizzas / __ 

to get to 4 to 16 you x4  

to get to 25 to 100 you x4

25 is your final answer
6 0
3 years ago
A doghouse is to be built in the shape of a right trapezoid, as shown below. What is the area of the doghouse? top is 7 side 7 b
Ann [662]
I believe the answer is 45.5 square feet

8 0
3 years ago
Round 7097284 to a tenth of a million
kondor19780726 [428]
The nearest tenth of a million for the number 7,097,284 is 7.1 million. Hope I hlped!

6 0
3 years ago
Read 2 more answers
If RH = 10 units, HT = 16 units, and GH = 8 units, what is the length of line segment HJ?
Dominik [7]

Answer:

HJ=20\ units

Step-by-step explanation:

<u><em>The complete question is</em></u>

RT and GJ are chords that intersect at point H. If RH = 10 units, HT = 16 units, and GH = 8 units, what is the length of line segment HJ? 18 units 20 units 26 units 28 units

we know that

The <u><em>intersecting chords theorem</em></u>  is a statement that describes a relation of the four line segments created by two intersecting chords within a circle. It states that the products of the lengths of the line segments on each chord are equal

so

In this problem

(RH)(HT)=(GH)(HJ)

substitute the given values

(10)(16)=(8)(HJ)

solve for HJ

HJ=160/8\\HJ=20\ units

7 0
3 years ago
Read 2 more answers
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