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chubhunter [2.5K]
3 years ago
7

If someone does every answer I’ll give brainliest show work too

Mathematics
1 answer:
Jobisdone [24]3 years ago
3 0
68% is 0.68 and 17/25

3/8 is 0.375 and 37.5%

0.875 is 87.5% and 7/8

alyssa got 40% right



4m+t is -18

t/mr is 1/6 or 0.16 repeating

3m-5t is -2

mt/r is -2

You might be interested in
-324/18<br> Plz show all the steps of how you got the answer.
kodGreya [7K]

Answer:

-18

Step-by-step explanation:

Step 1 - divide the numerator and denominator by 18

-324÷18 / 18÷18

Step 2 - divide the numbers

-18 / 18÷18  

-18/1

any expression divided by 1 remains the same

-18

4 0
2 years ago
The number of a two dollar bill i need to pay for a purchase is 9 more than the number of 5 dollar bills i need to pay for the s
melisa1 [442]

Answer:

$60

Step-by-step explanation:

Let's say we need t $2 bills and v $5 bills.

We need 9 more $2 bills than $5 bills, so:

t = 9 + v

We also know that the amount of money in t $2 bills is 2 * t = 2t. The amount of money in v + 9 $5 bills is 5 * (v + 9) = 5v + 45. These amounts are equal:

5v + 45 = 2t

Plug v + 9 in for t in 5v = 2t + 18:

5v = 2t + 18

5v = 2 * (9 + v) + 18

5v = 18 + 2v + 18

3v = 36

v = 12

We have 12 $5 bills, so that total cost is 12 * 5 = $60.

<em>~ an aesthetics lover</em>

5 0
3 years ago
Find the number of diagonals of a regular polygon whose interior angle measures 144 degrees?
djverab [1.8K]
Diagonals are = n - 2

Interior = 144

Exterior angle = 180 - 144 = 36

Formula for exterior of  a regular polygon given the number of sides:

= 360/n

36 = 360/n

n = 360/36 = 10

n = 10

Number of diagonals = n - 2 = 10 - 2 = 8

8 diagonals.
7 0
3 years ago
Read 2 more answers
I need help with these questions! My teacher didn’t teach me how to do these-
fgiga [73]

Answer:

Graph A has infinite solutions, Graph B has one solution, and Graph C has no solutions

Step-by-step explanation:

6 0
3 years ago
Polynomial: 3x^4 + 5x - 4; Divisor: x - 1​
irina [24]

Answer:

3x³+3x²+3x+8+\frac{4}{x-1}

Step-by-step explanation:

You can use synthetic division for this problem since the divisor is in (x-a) form. The fraction is the remainder over the divisor.

3 0
3 years ago
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