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4 years ago

Fact family for 3, 5, 8

Mathematics

1 answer:

olya-2409 [2.1K]4 years ago

8 0

Answer:

3+5=8

5+3=8

8-3=5

8-5=3

Step-by-step explanation:

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1. A grand tour of four cities begins at city A and makes successive stops at cities B, C,

vampirchik [111]

Using distance between two points, it is found that the total distance covered on the tour is of 3400 miles.

Given two points $(x_1,y_1)$ and $(x_2,y_2)$ , their distance is given by:

$D = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

In this problem, the formula is used to find the distance covered on each tour, hence:

$d_{AB} = \sqrt{(400 - 0)^2 + (300 - 0)^2} = 500$

$d_{BC} = \sqrt{(-800 - 400)^2 + (800 - 300)^2} = 1300$

$d_{CD} = \sqrt{(-800 - (-800))^2 + (0 - 800)^2} = 800$

$d_{DA} = \sqrt{(0 - (-800))^2 + (0 - 0)^2} = 800$

Then, the total distance is given by the sum of each separate distance, hence:

$d = d_{AB} + d_{BC} + d_{CD} + d_{DA} = 500 + 1300 + 800 + 800 = 3400$

The total distance covered on the tour is of 3400 miles.

You can learn more about distance between two points at brainly.com/question/25929988

3 0

2 years ago

1206.37 ROUNDED TO NEARST HUNDRETH

Andreyy89

Answer:

It is already rounded

Step-by-step explanation:

4 0

3 years ago

By what percent will a fraction decrease if its numerator is decreased by 50% and its denominator is decreased by 25%? Quick I n

MariettaO [177]

I would decrease 75% for example if you take 2/4 and do the problem above it becomes 1/3 therefore it is 75%

8 0

3 years ago

How to make a 5 * 4 rectangle using the shapes. Turning faces is allowed.

Vadim26 [7]

Well all you have to do is connect them to make a rectangle you don’t have to use all of them since it’s 5*4

3 0

4 years ago

Rick and Ben had the same amount of money. Ben spent $138. In the end,Rick had 4 times as much as Ben.How much did Rick have?

Elena-2011 [213]

At the start, Ben and Rick have the same amount of money. Let x represent that amount.

Rick's money: x
Ben's money: x

Then, Ben spends $138.

Rick's money: x
Ben's money: x - 138

At that point, Rick has 4 times the amount that Ben has.

x = 4(x - 138)
x = 4x - 552
552 = 3x
184 = x

Rick has $184.

4 0

4 years ago