MATHEMATICS MIDDLE SCHOOL

Find three different ratios that are equivalent to 7:3

Answers

Answer 1
Answer:

Answer:

14 : 6, 21 : 9 and 28 : 12

Step-by-step explanation:

Given ratio,

7 : 3

Since, when we multiply both numerator and denominator by a same number then we get an equivalent fraction,

That is,

(7)/(3)=(7* 2)/(3* 2)=(14)/(6)

(7)/(3)=(7* 3)/(3* 3)=(21)/(9)

(7)/(3)=(7* 4)/(3* 4)=(28)/(12)

Hence, the different ratios that are equivalent to 7:3 are,

14 : 6, 21 : 9 and 28 : 12
Answer 2
Answer:

Answer:

14:6

21:9

28:12

Step-by-step explanation:

Given the initial ratio of 7:3, you can find equivalent ratios by multiplying the two numbers by the same factor:

7 x 2 = 14

3 x 2 = 6

14:6

7 x 3 = 21

3 x 3 = 9

21:9

7 x 4 = 28

3 x 4  = 12

28:12

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Write 2.789 in word form

Answers

Two and seven hundred eighty nine thousands
two and seven hundred eighty-nine thousandths duh

What is 7,298,341 rounded to the nearest 10000

Answers

the answer is 7,300,000
tge answer is definitely 7,300,000

find the perimeter and area of each rectangle,write the formulas and plug-in. p= 1+1 tw tw ,a=1×w 8in and 6in

Answers

The perimeter is about 5 so tm after that u will divide

At a school,147 students play at least one sport. This is 70% of the students at the school. How many students are at the School?There are ? students at the school.

Answers

First I would divide 147 by 7 to get 10 percent of the students in the school. The answer is 21. To get from 10 percent to 100 percent, I would multiply it by 10. 21x10= 210. Therefore , there are 210 students in the school.

Answer: 210

Step-by-step explanation:

Jarret walks his puppy outside every day for 30 minutes. Angela walked her puppy every day for 90 minutes. Find the number of minutes that each puppy was walked for 1, 2, 3, and 4 days. Then graph the results as ordered pairs. How many more minutes does Angela spend walking her puppy over 2 days compared to Jarret walking his puppy over 2 days?

Answers

Answer:

Read the answers below, including the graph.

Step-by-step explanation:

1. Let's find the number of minutes that each puppy was walked for 1, 2, 3, and 4 days.

                        Day 1    Day 2    Day 3    Day 4

Angela               90        180        270         360

Jarret                 30          60          90          120

Ordered pairs for Angela's puppy: (1,90); (2,180); (3,270); (4,360)

Ordered pairs for Jarret's puppy: (1,30); (2,60); (3,90); (4,120)

2. How many more minutes does Angela spend walking her puppy over 2 days compared to Jarret walking his puppy over 2 days?

180 - 60 = 120

Angela spend walking her puppy 120 more minutes over 2 days compared to Jarret

If f (x) = 3x + 2 and g(x) = x^2 + 1 which expression is equivalent to ( f o g) (x)

Answers

Answer:

( f o g) (x) = 3x²+5

Step-by-step explanation:

We have given two functions :

f (x) = 3x + 2

g(x) = x² + 1

We have to find   ( f o g) (x) =?

( f o g) (x) = (f(g(x))

Putting the values of functions in above formula.

( f o g) (x) =  3(x²+1)+2

( f o g) (x) =  3x²+3+2

Adding like terms,we have

( f o g) (x) = 3x²+5

( f o g) (x) = 3x²+5 is the answer.

Answer: (f o g)(x)=3x^(2)+5

Step-by-step explanation:

To solve this problem you must apply the following proccedure:

(f o g)(x) indicates that you must substitute the function g(x) into the function f(x).

Therefore, you have:

(f o g)(x)=3(x^(2)+1) +2

Now, you must simplify it, as it is shown below:

Apply the distributive property and add the like terms:

(f o g)(x)=3x^(2)+3+2

(f o g)(x)=3x^(2)+5
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