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Leviafan [203]
2 years ago
12

How to do question 13?

Mathematics
2 answers:
grin007 [14]2 years ago
6 0
You answer on question 13 is 350
elena55 [62]2 years ago
4 0
The correct answer for area is A=246.740109463

Do (pi)3.14159265x5 =

15.70796325 exponent of 2=

246.740109463=A

You divide your circumference by half to get your radius.
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Please help and explain.
Alexandra [31]

Answer:

-1/3

Step-by-step explanation:

Use the formula, (y2 - y1)/(x2 - x1).  In this case, there is a negative slope.  

Start from point, (1, 9) and go to point (4, 8).  

Use the formula:

(y2 - y1)/(x2 - x1)

Y2 = 8

Y1 = 4

X2 = 9

X1 = 1

(8 - 9)/(4 - 1) = -1/3

Therefore, the slope is -1/3

6 0
2 years ago
Read 2 more answers
32 divided by 2(2^3 -4)
Irina18 [472]
First, you solve the exponent: 2(8-4)
—————
32
Do PEMDAS

2(4)
——
32

8
—
32

1
—
4

That’s your final answer :)
7 0
2 years ago
5. Ken asked a friend to rent him a game and as a joke, the friend rented one that he didn't think
sergeinik [125]

Step-by-step explanation:

Equations:

Quantity:: d = n + 3

Value::: 10n + 5d = 615 cents

-------------------------------------------

Modify::

d - n = 3

d + 2n = 123

--------------------------------------------

Subtract and solve for "n"::

3n = 120

n = 40 (# of nickels)

d = n+3 = 43 (# of dimes)

5 0
3 years ago
In the diagram below qs and pt are altitudes and m r=55 what is m poq
guapka [62]

Answer: POQ = 125

Step-by-step explanation: If you don’t want to read my long explanation, I drew a diagram of my work. :>

First we need to establish that POQ is a vertical angle to SOT, this makes the angles equal. We also need to establish that because the definition of an altitude, that T And S both form right angles. (An altitude is a perpendicular segment from a vertex of a triangle to the opposite side.) Now let’s take a look at the quadrilateral that is formed inside the triangle, the quadrilateral being RSOT. Luckily we know the measure of three of the angles, R=55, T=90, and S=90. If you didn’t know beforehand all angles of a quadrilateral add up to 360, so we can add up the angles we’ve already found to find the missing angle O/ SOT. When we add the angles, and then subtract that from 360 we get 125, so SOT=125. Remember that we established that SOT and POQ are vertical angles, so if SOT=125 then POQ=125.

I really hoped my explanation was good, this was my first time giving an answer. Also I’m sorry if my method of finding the answer wasn’t helpful, but this was the only way I could think of.

I accidentally gave myself a one star rating, that sucks.

5 0
3 years ago
E bisects line segment df. df=2y, and ef=8y-3. find de, ef, and df.
Usimov [2.4K]

1/2DF = EF

1/2(2y) = 8y - 3

  • Multiply 1/2 * 2y.

y = 8y - 3

  • Subtract 8y from both sides.

-7y = -3

  • Divide both sides by -7.

y = 3/7

  • Plug 3/7 for y into DF and EF.

DF: 2(3/7) = 6/7

EF: 8(3/7) - 3 = 24/7 - 3 = 3/7

EF = DE because they are bisected, so DE = 3/7

8 0
3 years ago
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