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tatuchka [14]
4 years ago
13

Explain how complex fractions can be used to solve problems involving ratios?

Mathematics
1 answer:
alisha [4.7K]4 years ago
8 0
Complex fractions are numbers in which the numerator and the denominator are both fractions. in this case, to solve the ratio, we can multiply the numerator fraction by the reciprocal of the denominator fraction. Another way is to solve the fraction separately and then divide eventually. 
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On a blueprint, a square with 20 meters per side was shown as a square with 12 centimeters per side. how long would a girder app
Tanya [424]
We know that

the  scale factor on the blueprint is-------> 12 cm/20 m------> 3 cm/5 m

if 3cm on a blueprint-------------> represent 5 m in the actual
 X cm---------------------------------> 15 m
X=15*3/5------>X=9 cm

the answer is
9 cm
3 0
4 years ago
Is my unweighted 3.4 GPA good for honor roll? These are my grades:
Harlamova29_29 [7]

Answer:

You must have all A's for Honor roll.

Step-by-step explanation:

My sister is in it and she has all A's

3 0
3 years ago
2.
Ronch [10]

Answer:  B) h(2) = 16

<u>Step-by-step explanation:</u>

Domain: -3 ≤ x ≤ 11

Range: 1 ≤ y ≤ 25

h(8) = 19

A) x = 8, y = 21

It is given that h(8) = 19. A function cannot have two y-values for one x-value.

B) x = 2, y = 16

The x-value is in the Domain and the y-value is in the Range.

C) x = 13, y = 18

The x-value is not in the Domain <em>(x is between -3 and 11).</em>

D) x = -2, y = -1

The y-value is not in the Range <em>(y is between +1 and 25).</em>

6 0
4 years ago
The sum of two numbers is 58. Twice the second number subtracted to four times the first number is 28. Find the two numbers. ​
lakkis [162]

Answer: The numbers are 14 2/3 and 43 1/3 (you can also write it as 44/3 and 130/3)

Step-by-step explanation:

x+y=58

2y-4x=28

This is a system of equations, so you can make the y equal to each other by: 2x+2y=116

Now you can subtract the equations from each other, so you have

2x+2y=116

-(2y-4x)=28

The y cancels out, leaving you with 6x=88, so x=14 2/3

When you plug x in, you get y=43 1/3

5 0
2 years ago
A poll of 1500 registered voters is taken. Of these, 600 say they will vote for candidate Smith.
Kryger [21]

The point estimate for the proportion of the population who will vote for this candidate assuming the poll is based on a random sample is 0.4.

<h3>How to calculate the point estimate?</h3>

It should be noted that point estimate is simply used to calculate a single value of a parameter.

From the information given, the poll of 1500 registered voters is taken and of these, 600 say they will vote for candidate Smith.

Therefore, the point estimate for the proportion of the population who will vote for this candidate assuming the poll is based on a random sample will be:

= 600/1500

= 0.4

Learn more about point estimate on:

brainly.com/question/24261796

#SPJ1

5 0
2 years ago
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