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4 years ago

How many 90 degree angles does it take to make a full turn

Mathematics

2 answers:

natima [27]4 years ago

4 0

Well a full turn is 360 so 360÷90=4.So 4 turns

mr_godi [17]4 years ago

3 0

Hello!

1 circle = 360 degrees.

90 × 4 = 360 (or 360/90)

So, it takes 4 90 degree angles to make a full circle.

I hope this helped you! :)

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The image shows the distances in miles between three cities. How much closer is it to travel from Aurora to Clifton directly tha

murzikaleks [220]

Answer:

First we need to calculate the distance between Clifton and Burlington by using Pythagorean theorem:

x² + 65² = 97²

=> x² = 97² - 65²

=> x² = 5184

=> x = √5184 = 72 (m)

The total distance from Aurora to Clifton through Burlington is: 65 + 72 = 137 (m)

We have: 137 - 97 = 40 (m)

So it is 40 m closer to travel from Aurora to Clifton directly than from Aurora to Clifton through Burlington

7 0

3 years ago

Find the product of the following numbers. 72,010 72,020 72,120

horrorfan [7]

Answer:

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Step-by-step explanation:

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5 0

3 years ago

A coin bank for donations for the protection of the reef contained Php 1,570. There were twice as many Php 5-coins as

kvasek [131]

Answer:

There are 144 Php 5-coins, 72 Php 10-coins and 130 Php-1 coins

Step-by-step explanation:

The amount of the coins in the coin bank = Php 1,570

The number of Php 5-coins = 2 × The number of Php 10-coins

The number of Php 5 coins = The number of Php 1-coins + 14

Let 'x' represent the number of Php-5 coins, let 'y' represent the number of Php 10-coins, and let 'z' represent the number of Php 1-coins, we get;

x = 2 × y...(1)

x = z + 14...(2)

5·x + 10·y + z = 1,570...(3)

From equation (1) equation (2), and equation three, we have;

y = x/2

z = x - 14

5·x + 10·x/2 + x - 14 = 1,570

11·x - 14 = 1,570

x = (1,570 + 14)/11 = 144

The number of Php 5-coins, x = 144

y = x/2

∴ y = 144/2 = 72

The number of Php 10-coins, y = 72

z = x - 14

∴ z = 144 - 14 = 130

The number of Php 1-coins, z = 130

6 0

3 years ago

Mary bowled six games this week. Her scores were 138,151,198,147,156, and 173. What was her average for those

erica [24]

The average of scores is 160.5

Step-by-step explanation:

Mean is the sum of all values divided by the number of values.

Given scores are:

138,151,198,147,156, and 173

The formula for average score is given by:

$Avg = \frac{Sum}{items}$

Putting values

$Avg = \frac{138+151+198+147+156+173}{6}\\Avg = \frac{963}{6}\\= 160.5$

The average of scores is 160.5

Keywords: Mean, Average

Learn more about mean at:

#LearnwithBrainly

4 0

4 years ago

Work out the value of 7^2-3^3

kow [346]

Answer:

Step-by-step explanation:

7^2=49

3^3=27

49-27=22

8 0

3 years ago