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lara31 [8.8K]
3 years ago
11

40 POINTS :D

Mathematics
2 answers:
storchak [24]3 years ago
5 0
I hope this helps you

scoundrel [369]3 years ago
5 0
1.false,false,false
2.D.x=4
3.c and d
4.3,4
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If a circle has a radius length of 2x units, what is the circle's circumference?
Brut [27]

Answer: 12.56

Step-by-step explanation:

If I remember correctly, the equation for circumference is C=2r*pi (R representing radius). For this problem, if 2 is your radius 2R would equal 4. Take this number and multiply it by 3.14 (pi) to get your final answer.

4 0
3 years ago
A weather station on the top of a mountain reports that the temperature is currently 0°C and has been falling at a constant rate
MA_775_DIABLO [31]

Answer:

1 hour ago would be 3C.

3 hours ago would be 9C.

4.5 hours ago would be 13.5

Step-by-step explanation:

5 0
3 years ago
A building is 3 ft from an 8​-ft fence that surrounds the property. A worker wants to wash a window in the building 13 ft from t
zloy xaker [14]

Answer:

Length of the ladder used by worker = 17 feet

Step-by-step explanation:

Given:

Height of the window from the ground = 13 ft

Distance of fence from the building = 3 ft

Distance of ladder from the building = (3+8) = 11 ft

We have to find the length of the ladder.

Let the length of the ladder be 'x'

From the diagram we can also say that 'x' is the hypotenuse of the right angled triangle.

Using Pythagoras formula:

⇒ hypotenuse\ 'x' =\sqrt{(perpendicular)^2+(base)^2}

Here base length = 11 ft

Perpendicular = 13 ft

Plugging the values:

⇒ x=\sqrt{(13)^2+(11)^2}

⇒  x=\sqrt{(169+121)}

⇒ x= \sqrt{290}

⇒ x=17.02 feet

The length of the ladder = 17 feet to its nearest tenth.

6 0
3 years ago
Alyssa had Pokemon cards. she gave 8 to her friends she now has 5 Pokemon cards left how many Pokemon cards did she have to star
Stolb23 [73]

Answer:

She had 13 pokemon

Step-by-step explanation:

5 + 8 is 13

7 0
3 years ago
Read 2 more answers
The ratio of the sides of a triangle is 8:13:11. If the perimeter of a triangle is equal to 256, what is the length of the longe
s344n2d4d5 [400]
There asking what the numbers are by The ratios, what I did was did was multiply by 8 for each number 8•8=64 13•8=104 11•8=88 so now what you do is add up 64+104+88=256 those are your answers if you want to double check you will dived them by 8 so 64/8=8 104/8=13 88/8=11
Hope this helps :-)
6 0
2 years ago
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