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3 years ago

Please help Picture can someone help me I don't know how to do this

Mathematics

1 answer:

lorasvet [3.4K]3 years ago

5 0

Answer:

heres the answer

Step-by-step explanation:

just graph (2,3) (3,2) (4,3)

on a coordinate grid

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This figure is 1/4 of a circle.

drek231 [11]

For this case we have that by definition, the perimeter of a circle is given by:

$C = 2 \pi * r$

Where:

r: It is the radius of the circle.

According to the figure, it is observed that the radius of the circle is 2. Then:

$C = 2 \pi * 2\\C = 2 * 3.14 * 2\\C = 12.56 \ in$

Let's remember that we have a quarter circle:

$C = \frac {12.56} {4}\\C = 3.14$

We round and we have that the correct option is $3.1 \ in$

Answer:

Option A

The attached figure is the image that completes the question

4 0

3 years ago

A car can travel 400 miles on a full tank of petrol. A more efficient car can travel 32% further. How many miles can it travel o

Lorico [155]

Answer:

Answer:160 miles

Explanation:

You can work out this type of question by using the 'unitary' method, which means finding out how much for ONE.

If you set out the steps with short sentences it will be clearer.

On 15 gallons, a car can travel 400 miles÷15↓

On 1 gallon, a car can travel 400÷15=262

miles

Once you know the distance travelled on 1 gallon of fuel, you can work out the distance travelled for any number of gallons.

On 6 gallons the car can travel

miles.

(6 times further than on 1 gallon)

160

miles

Step-by-step explanation:

3 0

3 years ago

The school hiking club has completed 4 out of 5 hikes so far this year. They have hiked 4.6 miles, 3.7 miles, 5.1 miles, and 2.9

dezoksy [38]

Answer:

3.7 Miles

Step-by-step explanation:

Add all of the miles, then subtract it by 20.

3 0

3 years ago

Americans who are 65 years of age or older make up 12.9% of the total population. If there at 30.3 million american in this age

telo118 [61]

Total population of US is 234.88 million.

Step-by-step explanation:

Given,

Number of people are 65 or older = 30.3 million

This represents 12.9% of total population.

Let,

x represent the total population.

12.9% of x = 30.3 million

$\frac{12.9}{100}x=30.3\ million\\0.129x=30.3\ million$

Dividing both sides by 0.129x

$\frac{0.129x}{0.129}=\frac{30.3}{0.129}\ million\\\\x=234.88\ million$

Total population of US is 234.88 million.

Keywords: percentage, division

Learn more about percentage at:

#LearnwithBrainly

5 0

2 years ago

Factor each completely 3r^2+7r

DaniilM [7]

Factor each completely 3r^2+7r
r(3r+7)

3 0

3 years ago

Read 2 more answers