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uranmaximum [27]
4 years ago
11

MATH PROBLEM NEED ANSWER ASAP!!!

Mathematics
1 answer:
vitfil [10]4 years ago
3 0
2 feet of the board remain
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The graph shows the type and number of coins that three students plan to donate during a coin drivefundraiser.Coin Drive Donatio
yarga [219]

Answer:

39 dimes

Explanation:

From the graph:

• Total number of nickels = 9+4+7=20

,

• Total number of dimes = 7+10+9 = 26

The ratio of total nickels to total dimes = 20:26

If the total number of nickels the students donate is increased to 30, we have:

\frac{\text{Total Nickels}}{\text{Total Dime}}\colon\frac{20}{26}=\frac{30}{x}

We then solve for x:

\begin{gathered} 20x=30\times26 \\ x=\frac{30\times26}{20} \\ x=39 \end{gathered}

The number of dimes they should donate to keep the ratio of total nickels to total dimes the same is 39.

8 0
2 years ago
What time is it 2 hours and 50 minutes before 9:30 A.M.?
AnnyKZ [126]

9:30 am

go back 3 hours

6:30 am

add 10 minutes

6:40 am

8 0
3 years ago
What is the value of n in the equation - {(2n + 4) + 6 = -9 +4(2n + 1)
Olenka [21]

Answer:

n = 2.5 or n = (5/2)

Step-by-step explanation:

(2n+4) +6 = -9 + 4(2n+1)

first distribute the 4 to the (2n+1)

(2n+4) +6 = -9 + (8n+4)

then add 9 to both sides to cancel out the -9 on the right side

(2n+4) +15 = (8n+4)

next subtract (2n+4) from both sides to cancel out the (2n+4) on the left side combining like terms as you subtract

15 = 6n

then divide 15 by 6 to get your final answer

n = 2.5

or

n = (5/2)

8 0
3 years ago
Does anyone know this?
vivado [14]

Answer:

I got this one

<n would equal 20, <m would equal 50

6 0
3 years ago
What is the range of values of x for a triangle's third side given side measures of 8 and 15 for the other two sides?
mr_godi [17]

Answer: b

Step-by-step explanation:

it is right

3 0
3 years ago
Read 2 more answers
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