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Alinara [238K]
3 years ago
6

18 is what__ % of 30.

Mathematics
1 answer:
Nostrana [21]3 years ago
3 0
18/30=?/100

18 times 100 = 1800

1800 divided by 30

60%
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What is 5 1/2 minus 3 1/4
Brut [27]
5 1/2 - 3 1/4

11/2 - 13/4

22/4 - 13/4 = 9/4

your answer is 2 1/4

hope this helps
7 0
3 years ago
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If the legs of a right triangle are both 8 cm, find the area of the triangle. A) 8 cm2 B) 16 cm2 C) 32 cm2 D) 64 cm2
Alex787 [66]

Answer:

32cm

Step-by-step explanation:

Area of a triangle= 1/2 X b X h

b= 8

h=8

1/2 X 8 X 8

= 4 X 8

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5 0
3 years ago
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which equation represents this sentence? one-half the sum of a number and four is three less than the quotient of five and the n
Elena L [17]

a.) 1/2n 4=3−5/n b.) 1/2(n 4)=5/n−3 c.) 1/2(n 4)=3−5/n d.) 1/2n 4=5/n−3

Let's assume the number be n.

So, sum of number and four can be written as n+4.

Now one-half of n+4 will be \frac{1}{2} (n+4).

Quotient of five and the number can be written as \frac{5}{n}.

Now three less \frac{5}{n} can be written as \frac{5}{n} -3.

So, one-half the sum of a number and four is three less than the quotient of five and the number can be converted into equation as follows:

\frac{1}{2} (n+4)=\frac{5}{n}-3

So, b is the correct choice.

6 0
3 years ago
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8x-6+2x=44 what does x equal
klio [65]

Answer:

x=5

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

7 0
3 years ago
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ahrayia [7]

Answer:

ac + 4 = b

Step-by-step explanation:

Step 1: Write equation

a = (b - 4)/c

Step 2: Multiply both sides by <em>c</em>

ac = b - 4

Step 3: Add 4 on both sides

ac + 4 = b

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3 years ago
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