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4 years ago

3/4 - 1/3 plz explain

2 answers:

8 0

So you find the common denominator which is 12.Then you convert both fractions to 12ths. 3/4=9/12 and 1/3 = 4/12.9/12 plus 4/12=13/12.
13/12 is an improper fraction so you convert into a mixed number which is 1 and 1/12.

1 1/12= answer

hope this helps!!!

balandron [24]4 years ago

7 0

First covert them to fractions with the same denominator so you can compare them (9/12 and 4/12), then subtract the numerators, and not the denominators (9/12-4/12), then whatever you get is the answer (5/12). If you can, simplify.

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A demand loan for $8,944.61 with interest at 7.8% compounded semi-annually is repaid after two years, seven months. What is the

disa [49]

Answer:

the correct answer is option D which is $1,954.94

Step-by-step explanation:

loan amount = $8,944.61

interest = 7.8% = 7.8 %/2 = 3.9 %

compounded semi annually = 2 × 12 + 7 = 31 months

time = 31/6 months

$I =P(1+\dfrac{r}{100})^{\frac{31}{6}}-P\\ \\I = 8994.61(1+\dfrac{3.9}{100})^{\frac{31}{6}}-8994.61 \\I =1954.94$

hence, the correct answer is option D which is $1,954.94

7 0

4 years ago

There are 35 females performed in a dance recital.The ratio of men to women is 3 : 8. How many men are in the dance recital

Ipatiy [6.2K]

Answer:

13 or 13.125 you have to look at your notes to see which it is. Personally I would take 13. Try that first.

Step-by-step explanation:

Be careful how you interpret this question. It reads like this.

3:8 :: x:35

In other words, the 8 and 35 females goes together.

Set this up as a proportion

3/8 = x / 35 Cross multiply

3*35 = 8x Combine the left

105 = 8x Switch

8x = 105 Divide by 8

x = 105 / 8 get the answer

x = 13.125 You cannot have 1/8 of a person. So what are you going to do?

You have to round down. x = 13. How close is this

13/35 = 0.371 as apposed to 0.375 which is what 3/8 is.

8 0

3 years ago

What is the equation in slope-intercept form of a line that is perpendicular to y=2x+2 and passes through the point (4, 3)?

andriy [413]

Answer:

$y = - \frac{1}{2} x + 5$

Step-by-step explanation:

slope-intercept form

y= mx +c, where m is the slope and c is the y-intercept

Given line: y= 2x +2

slope= 2

The product of the slopes of perpendicular lines is -1. Let the slope of the unknown line be m.

m(2)= -1

m= -1 ÷2

m= -½

Substitute the value of m into the equation:

y= -½x +c

To find the value of c, substitute a pair of coordinates.

When x= 4, y= 3,

3= -½(4) +c

3= -2 +c

c= 3 +2

c= 5

Thus, the equation of the line is y= -½x +5.

7 0

3 years ago

Candy Corn costs $0.29 per pound for the 1st 3 pounds and $0.19 for each pound over 3 pounds. How much will 10 pounds of candy c

Galina-37 [17]

Answer:

0.29×3 + (0.19×7) = 0.87+1.33=2.2 dollars.

please mark my answer brainliest!

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3 years ago

Read 2 more answers

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alexandr1967 [171]

Look at the attachment for work

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3 years ago