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postnew [5]
3 years ago
14

Isabel measured the length of each type of bead she used to make a key ring. She recorded the measurements in a line plot. Isabe

l wants to use the 1 2 -inch beads from the key ring to make a zipper pull for her backpack. If the zipper pull measures 3 1 2inches long, how many more 1 2 -inch beads will she need?
Mathematics
1 answer:
svp [43]3 years ago
7 0

Answer:

26

Step-by-step explanation

Divide 312 by 12. First step is to divide 310 by 12, 12 goes into 310, 20 times. The remainder is 70. Next divide 72 by 12. 12 goes into 72, 6 times. The answer is 20 plus 6, 26

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If you flip a fair coin 4 times, what is the probability that you will get exactly 2 tails
Ilia_Sergeevich [38]

Answer:

<h3>The answer is <u>3/8</u> NOT 50%</h3>

Step-by-step explanation:

One way to solve this problem is to figure out how many ways you can get exactly 222 tails, then divide this by the total number of outcomes you could have gotten. Since every outcome has equal probability, this will be the probability that you will get exactly 2 tails.

How many outcomes are there where you get exactly 2 tails? Try thinking of each outcome as a 4-letter word, where the first letter is "H" if the first coin toss was heads and "T" if it was tails, and so on.

So, the number of outcomes with exactly 2 tails is the same as the number of these words which have 2 T's and 2 H's.

How many of these are there? If we treat all the letters as unique, we'll find that there are 4! different arrangements, overcounting 2! times for every time we only switch the T's around, and 2! times for every time we only switch the H's around.

So, there are <u>4!/2!2!</u> = 6  

​  

<u>4!/2!2!</u>= 6 different outcomes where you get exactly 2 tails.

Altogether, there are 2^4 = 16 total possible outcomes.

So, the probability that you will get exactly 2 tails is <u>6/16</u> = 3/8

​  

4 0
3 years ago
Given that S = TR and OP = 10, find the diameter of OT. Round the answer to the hundredths place.
Sonbull [250]
The answer to this question is c
6 0
3 years ago
Read 2 more answers
Find an equation for the rational function graphed below. (WILL AWARD BRAINLIEST)
Juliette [100K]

Answer:

Hey! let's be realistic here, like how many dollars are you gonna award for solving this dude

6 0
3 years ago
While traveling at a constant speed in a car, the centrifugal acceleration passengers feel while the car is turning is inversely
kvv77 [185]

A = k/R where A = acceleration and R = radius of the turn and k is a constant to be found.

Substituting the given values:-

10 = k / 70

k = 10*70 = 700

So the equation of the motion is A = 700 / R

When the radius is 140 the acceleration is 700 / 140 = 5 ft/sec/sec ( answer)

4 0
3 years ago
Someone help me with this please. And please explain so I understand this better. Thanks.
svetoff [14.1K]

Answer:

read the explanation, i'm not gonna answer this one for you, but instead I want you to try this on your own.

Step-by-step explanation:

divide the 360 by each percentage, and if you dont know how to do that, there are videos out there, i <em>would</em> explain it <em>but </em>i dont have much time to write all of that. after you get each number from dividing 360 by each percentage <em>individually </em>you will add up the <u>needed</u> numbers. that will give you your answer! have a nice day :D

6 0
3 years ago
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