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Crazy boy [7]
3 years ago
14

If you add up all the numbers on a 1-10 ten-sided dice, you get 55. What’ the sum of all sides in a 20 dice?

Mathematics
1 answer:
OleMash [197]3 years ago
6 0
If you add up all the numbers on a 1-10 ten-sided dice, you get 55. The sum of all sides on a 20-sided dice is 210.
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Ron practiced piano 1 2/3 hours on monday and 5/6 hour on tuesday. how much did he practice in all those two days
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4 0
3 years ago
21x-5=7+17x <br> Write it down step by step please
Nat2105 [25]

Answer: x=3

Step-by-step explanation: Step 1: Simplify both sides of the equation.

21x−5=7+17x

21x+−5=7+17x

21x−5=17x+7

Step 2: Subtract 17x from both sides.

21x−5−17x=17x+7−17x

4x−5=7

Step 3: Add 5 to both sides.

4x−5+5=7+5

4x=12

Step 4: Divide both sides by 4.

\frac{4x}{4} = \frac{12}{4}

So Final Answer: <u>x=3</u>

<u />

<u>If I Helped, Please Mark Me As Brainliest, Have A Great Day :D</u>

4 0
3 years ago
Read 2 more answers
Solve for x -3x+6=2x-24<br><br>-30<br><br>-6 <br><br>6<br><br>30
Svetach [21]

-3x + 6 = 2x - 24.

Add 3x to both sides.

6 = 5x - 24.

Add 24 to both sides.

30 = 5x.

Divide it all by 5.

<em><u>x = 6.</u></em>

8 0
3 years ago
Simplify the expression. 8(s-1)
TEA [102]

Answer:

8s-8

Step-by-step explanation:

Use the distributive property: #(a-b) = #*a - #*b. In this case 8s - 8.

Hope it helps!

6 0
3 years ago
Read 2 more answers
P=R-C<br><br> Solve the formula for C
Anit [1.1K]
P = R - C

R - C = P

- C = P - R

Multiply both sides by - 1

-C*-1 =   -1*(P - R)

C = -P + R

C = R - P
 
4 0
3 years ago
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