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densk [106]
3 years ago
9

A coin jar contains 10 quarters, 6 dimes, and 8 nickels. Find the probability that a dime is chosen at random

Mathematics
1 answer:
Harrizon [31]3 years ago
4 0

Answer:

6/24 - 1/4

Step-by-step explanation:

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You will be brainliest please list correct answer and the mistake he made
anzhelika [568]

<em>Hey There!!</em>

<em>The answer is below!!</em>

Step-by-step explanation:

We move all terms to the left:

-6n+22-(-4n+14-10n+22)=0

We add all the numbers together, and all the variables

-6n-(-14n+36)+22=0

We get rid of parentheses

-6n+14n-36+22=0

After that, We add all the numbers together, and all the variables

8n-14=0

Then, We move all terms containing n to the left, all other terms to the right

8n=14

n=14/8

n=1+3/4

<em>I don't know this is </em>100% right....

So.....GoodLuck!!

#Be Bold

#Always Brainly!

_{Loserbrazts}

5 0
3 years ago
This is the one!!!!!!!!!!!
sukhopar [10]
All you have to do is move the denominator on the other side, by multiplying.

a-10
------- = -9  
20 

multiply 20 x -9
= -180

then it becomes a-10=-180
                             +10  +10
a=-170
4 0
3 years ago
Read 2 more answers
Solve 6 &gt;b÷ (-3). Graph the solution.<br> The solution is..
olchik [2.2K]

Answer:

b>-18

Step-by-step explanation:

inequality form:b>-18

interval notation:(-18,inf.)

8 0
2 years ago
Solve the system <br> -2y+5z=-3<br> y=-5x-4z-5<br> x=4z+4
kow [346]
-2y + 5z = -3
y = -5x - 4z - 5
x = 4z + 4

-2(-5(4z + 4) - 4z - 5) + 5z = -3
-2(-20z - 20 - 4z - 5) + 5z = -3
-2(-20z - 4z - 20 - 5) + 5z = -3
                    -2(-24z - 25) = -3
                          48z + 50 = -3
                          <u>       - 50  - 50</u>
                                 <u>48z</u> = <u>-53</u>
                                  48      48
                                     z = -1⁵/₄₈
x = 4(-1⁵/₄₈) + 4
x = -4⁵/₁₂ + 4
x = ⁵/₁₂

y = -5(⁵/₁₂) - 4(-1⁵/₄₈) - 5
y = -2¹/₂ + 4⁵/₁₂ - 5
y = 1¹¹/₁₂ - 5
y = -3¹/₂

(x, y, z) = (⁵/₁₂, -3¹/₂, -1⁵/₄₈)
6 0
3 years ago
1. An AMTRAK train travels at 125 mph. Convert this into miles per minute.
Vikki [24]
1) 125mph 
miles per minute
= 125/60
= 25/12
= 2.083 miles per minute

2) 10mph
miles per second
= 10/60/60
= 1/360 feet per second 

3) 2 megabytes per second
= 2*60*60
= 7200 megabytes per hour
6 0
3 years ago
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