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3 years ago

Use 3.14 for the value of pi. Round your answer to the nearest tenth. radius = 5.4 mi

Mathematics

2 answers:

SashulF [63]3 years ago

8 0

I’m positive that the answer is 91.6

Aleksandr-060686 [28]3 years ago

4 0

Answer:

91.6

Step-by-step explanation:

The formula to find the area of a circle is A=πr^2. we are given the radius so if we plug it in and use 3.14 for pi we get. 3.14*5.4mi^2. This equals 91.5624 mi, rounded to the nearest tenth it is 91.6 mi.

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Find the value of 6.4⋅(8+15)

Evgen [1.6K]

Answer:

The Answer is 147.2

Step-by-step explanation:

Hope this helps Have a great day and Sry if i'm wrong :)

3 0

2 years ago

(a) Are these triangles similar and if so why? (what similarity postulate can you use to prove this)

Paha777 [63]

Answer:

Part a) The triangles KJL and NMP are similar by AAA similarity postulate

Part b) The value of x is $7\ units$

Step-by-step explanation:

Part a)

we know that

The AAA similarity postulate states that If in two triangles the corresponding angles are equal, then the triangles are similar

In this problem

m<JKL=m<MNP

m<KJL=m<NMP

The third angle must be equal (remember that the sum of the interior angles of triangle must be equal to 180 degrees)

m<JLK=m<MPN

therefore

The triangles KJL and NMP are similar by AAA similarity postulate

Part b) What is the value of x?

we know that

if two figures are similar, then the ratio of its corresponding sides are equal

$\frac{4x-4}{20}=\frac{30}{25}\\ \\(4x-4)*25=20*30\\ \\100x-100=600\\\\ 100x=700\\ \\x=7\ units$

3 0

3 years ago

What is the slope or the line going through (0,0) (6,8) A: -6/8 B: -3/4 C: 3/4 D: 8/6

Vikentia [17]

<h3>Answer: D) 8/6</h3>

Start at (0,0). To get to the other point, you must move up 8 units and move to the right 6 units.

slope = rise/run = (change in y)/(change in x) = 8/6

Or you could use the slope formula

m = (y2-y1)/(x2-x1)

m = (8-0)/(6-0)

m = 8/6

Normally I would reduce, but your teacher has decided not to.

8/6 reduces to 4/3 when you divide both parts by 2.

5 0

3 years ago

You borrowed $59,000 for 2 years at 11% which was compounded annually. What total will you pay back?

klasskru [66]

It is 9078 because compounded annually

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3 years ago

What is the solution |x-2|>-3

forsale [732]

Answer:

this might help

Step-by-step explanation:

Step 1 : Trying to factor as a Difference of Squares : 1.1 Factoring: x2-3. Check : 3 is not a square !! Ruling : Binomial can not be factored as the difference of two perfect squares. ...

Step 2 : Solving a Single Variable Equation : 2.1 Solve : x2-3 = 0. Add 3 to both sides of the equation : x2 = 3.

8 0

3 years ago

Use 3.14 for the value of pi. Round your answer to the nearest tenth. radius = 5.4 mi​

Use 3.14 for the value of pi. Round your answer to the nearest tenth. radius = 5.4 mi