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Rashid [163]
2 years ago
7

If you roll two fair six sided dice, what is the probability that the sum is 5 or lower

Mathematics
1 answer:
lana66690 [7]2 years ago
4 0

Answer: P(sum is 5 or lower) = 10/36 (not simplified) = 5/18 (simplified)

Step-by-step explanation: The event is {(1,1), (1,2), (1,3), (1,4), (2,1), (2,2), (2,3), (3,1), (3,2), (4,1)}

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A survey asked 36 students to choose their favorite type of music from the choices of rock, pop, and country. The results of the
tekilochka [14]

Answer:

B

Step-by-step explanation:

9 out of 36 chose country, that is expressed as a fraction

\frac{9}{36} = \frac{1}{4}

Thus calculate this fraction of 240

\frac{1}{4} × 240 = \frac{240}{4} = 60 → B

7 0
4 years ago
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Melinda starts with $22 and saves $10 each week. George starts with $10 and saves $13 each week. After how many weeks will they
matrenka [14]

Answer: 4

<u>Step-by-step explanation:</u>

Melinda: y = 10x + 22

George: y = 13x + 10


13x + 10 = 10x + 22

<u>-10x        </u>  <u>-10x          </u>

 3x   + 10 =         22

<u>          -10 </u>   <u>       -10 </u>

3x            =         12

<u>÷3            </u>     <u>      ÷3 </u>

  x            =          4

6 0
3 years ago
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Jaidee spent half of her weekly allowance on clothes. To earn more money her parents let her wash a dog for $9. What is her week
dolphi86 [110]

Answer:

14

Step-by-step explanation:

Firstly, we need to subtract the amount she earned from walking the dog ($9.00) from the end total ($16.00). This leaves us with $7.00.

Since she spent exactly<em> </em><em>half</em> of her weekly allowance, we must multiply the remaining $7.00 by 2. This leaves us with our final answer of $14.00.

3 0
3 years ago
Use the divisibility rules to determine which of the following numbers 504 is divisible by. (Check all that apply.)
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3 years ago
Combine the like terms to make a simpler expression: 5k (-2k)-(-1)
TiliK225 [7]
Hey there, Lets solve this problem together. 

Our first step will be to g<span>ather like terms 

</span>5*-2k*k+1 
<span>
 Simplify 5×−2k×k to −5×2k×k

</span>-5*2k*k+1 

Simplify <span><span>5×2k×k</span></span><span> to </span><span><span>10<span>k^2 

</span></span></span>-10k^2+1 <span><span><span>
</span></span></span>
7 0
3 years ago
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