2 years ago

Liner equations with one variable!! Please show work, ill give brainliest

Mathematics

1 answer:

matrenka [14]2 years ago

8 0

This is hard to solve

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The diameter of a circle is 10 ft. Find the circumference to the nearest tenth to the nearest tenth. (Urgent)

Paul [167]

Answer:

31.42ft

Step-by-step explanation:

diameter = 10

radius = diameter ÷ 2

r = 10 ÷ 2

r= 5

Circumference = 2(pie)(r)

= 2(22÷7)(5)

= 31.42ft

6 0

2 years ago

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What is the exact area of a circle with a radius of 12 ft

lisov135 [29]

Answer:

The area is approximately 453 ft²

Step-by-step explanation:

Area of a circle = $\pi r^{2}$

If $\pi$ = 22/7, and r = 12 ft

Area = (22/7)×12²

= 3.143*144

= 452.592 ft²

≈ 453 ft²

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3 years ago

Haley is twice as old as Riley. The sum of their ages is 39. Write an equation that represents (x) , Riley's age.

kenny6666 [7]

Answer:

X=39×2. Answer: 39×2= 78

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3 years ago

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Find the value of y in the diagram below.

larisa [96]

$Answer: \\ 4(2y - 20) + 2y = 720 \\ \Leftrightarrow 2(2y - 20) + y = 360 \\ \Leftrightarrow 4y - 40 + y = 360 \\ \Leftrightarrow 5y = 400 \\ \Leftrightarrow y = 80°$

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3 years ago

Please answer question

Nata [24]

Answer:

given below.

Step-by-step explanation:

for f(x):

2√2

for g(x):

2√2

2√3

2√5

for h(x):

4+2√2

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2 years ago