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mel-nik [20]
3 years ago
7

Issac drove 100 miles at a speed of 50 mph and then 120 miles at a speed of 30 mph what was his average speed for the entire tri

p
Mathematics
1 answer:
Lina20 [59]3 years ago
6 0

Answer:

The average speed is 36.67 m/h

Step-by-step explanation:

100/50 = 2

120/30 = 4

Total time = 6

Total distance = 220 miles

220/6 = 36.67

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Jane spent 2/5 of her money on games. She had $120 remaining. What was the cost of the games Jane bought?
Ostrovityanka [42]

Answer:

i think it would be $80 (brainliest??)

Step-by-step explanation:

jane had a total of $200 BEFORE she spent on 2 games

1. $40

2. $40

3. $40

4. $40

5.$40

2 games = $80

3 games = $120 (money she had left)

5 0
3 years ago
On an island there are 7 cities. Each two of them connected by a direct road. How many roads are there?
Gnoma [55]

Answer:

21 roads

Step-by-step explanation:

If each two cities are connected by a direct road, to find the number of roads we just need to solve a combination of 7 choose 2, that is, we need to find all pairs of two cities among the 7 cities:

Combination of 7 choose 2 = 7! / (5! * 2!) = 7*6/2 = 21

So there is a total of 21 roads on the island.

3 0
3 years ago
Read 2 more answers
Hello i need some help please?
Tpy6a [65]

The appropriate words to fill each blank as required in the task content are; -3, -4 and {-4} respectively.

<h3>What is the appropriate numbers to fill in the blank spaces?</h3>

It follows from the task content that the numbers which can be used to fill in each of blanks are as follows;

a). To solve the equation, we must divide each side of the equation by; -3.

b). Performing this operation gives the equation X= -4.

C). When the solution is written in solution set notation, it is written as; {-4}.

Read more on solving equations;

brainly.com/question/2972832

#SPJ1

4 0
2 years ago
The archway of the Gateway Arch shown on the Missouri quarter is 630 feet OR 7560 inches. Find out how many 4 inch stacks of qua
Rzqust [24]

Answer:

To do this you want to divide 7560 by 4.  This leaves you with 1845.  Therefore, you need 1845 4-inch stacks to build that high.  You are not done though.  You need to multiply 1845 by 58. This gives you 107,010.  It would take 107,010 quarters to get to the top.

Step-by-step explanation:

6 0
3 years ago
Higure to answer the question.
Dafna11 [192]

Answer:

35cm

Step-by-step explanation:

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3 years ago
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