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balandron [24]
3 years ago
7

I need to bring my math grade up !!! Does anyone know that answer

Mathematics
1 answer:
allsm [11]3 years ago
6 0

Answer:

2/5 of hangar a = hangar b

Step-by-step explanation:

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The circumference (C) of a circle is 16 cm. Which formula can you use to find the diameter (d) if you know that C = π π d?
suter [353]

Answer:

d = 16 / 3.14

Step-by-step explanation:

The diameter is equal to the circumference divided by 3.14.

6 0
3 years ago
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You flip a coin and then roll a 6-sided number cube (a die).
expeople1 [14]

Answer:

a)  No, it does not matter whether you roll the die or flip the coin first, as these two events are <u>independent</u> of each other, which means they do not affect each other.

b) Yes.

  • Let event 1 be flipping a coin and event 2 be rolling a die.
  • Let event 1 be rolling a die and event 2 be flipping a coin.

The likelihood that any outcome will occur will not change, as the events are independent.

c) see attached

d)   12 outcomes  (H = head, T = tail, numbers represent the value of the die)

H 1           T 1

H 2          T 2

H 3          T 3

H 4          T 4

H 5          T 5

H 6          T 6

e)  

\sf Probability\:of\:an\:event\:occurring = \dfrac{Number\:of\:ways\:it\:can\:occur}{Total\:number\:of\:possible\:outcomes}

\implies \sf P(even)=\dfrac{1}{6}+\dfrac{1}{6}+\dfrac{1}{6}=\dfrac{3}{6}=\dfrac{1}{2}

\implies \sf P(head)=\dfrac{1}{2}

\implies \sf P(even)\:and\:P(head)=\dfrac{1}{2} \times \dfrac{1}{2}=\dfrac{1}{4}

6 0
2 years ago
a circle has a center at (3,5) the point (3,8) is on the circle what is the circumference of the circle to the nearest tenth of
kogti [31]
You need to use the distance formula to find the radius of the circle.

d = \sqrt{(x_2 - x_1)^2 + (y_2-y_1)^2} \\  \\ d = \sqrt{(3-3)^2 + (8-5)^2} \\  \\ d = \sqrt{0^2+3^2} \\  \\ d = \sqrt{9} = 3

The radius is 3.

The circumference is 2 \pi r

= 6\pi \\  \\ =18.8
3 0
3 years ago
Factor completely. 20x^3 + 12x^2 + 5x + 3
gogolik [260]

Answer:

(4x2 + 1) • (5x - 3)

Step-by-step explanation:

6 0
3 years ago
Round 16,311 to the nearest thousand
Elis [28]
16000. 
You just need to take the numbers in the thousands place and left, and if the numbers on the right are greater than 500, you round up. In this case, 311 is less than 500 so you round down and get 16000.
7 0
3 years ago
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