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3 years ago

When will a ratio equal a decimal between 0 and 1?

Mathematics

1 answer:

ira [324]3 years ago

8 0

Answer:

Any-where below 1 and above 0

Step-by-step explanation:

I had this problem in math and my teacher told me this

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Please help I will give brainliest to whoever answer correct first

ICE Princess25 [194]

The correct answer is y=1/3x-3

8 0

2 years ago

John took all his money from his savings account. He spent $110 on a radio and 4/11 of what was left on presents for his friend

svp [43]

Answer:

$1210

Step-by-step explanation:

Let x be total amount

First John spent $110 on a radio and 4/11 of what was left on presents for his friends so he was left with

$\frac{7}{11}(x-110)=\frac{7}{11}x-70$

Then he put 2/5 of his remaining money into a checking account

$\frac{3}{5}\left(\frac{7}{11}x-70\right)$

Rest he donated to charity

$420=\frac{3}{5}\left(\frac{7}{11}x-70\right)\\\Rightarrow \left(\frac{7}{11}x-70\right)=\frac{2100}{3}\\\Rightarrow \frac{7}{11}x-70=700\\\Rightarrow \frac{7}{11}x=770\\\Rightarrow x=1210$

Hence total amount of money John originally had was $1210

8 0

2 years ago

State if each pair of ratios forms a proportion....EXPLAIN AS WELL PLS!!!

ss7ja [257]

Answer:

1. 4/12 , 6/8

2. 16/12 , 3/4*

3. 3/2 , 15/14

4. 10/16 , 5/8

10/16 = 5/8

Which ratio forms a proportion with 9/15?

1. 6/10

2. 16/21

3. 36/50

4. 45/70

9/15 = 3/5 which is 6/10

A textbook weighs 2.5 pounds. How many kilograms does the textbook weighs? Round your answer to the nearest tenth of a pound. 1 kg = 2.2 lb

1. 1.1 kg

2. 1.8 kg

3. 5.5 kg

4. 4.7 kg

2.5 lbs * (1 kg/2.2 lbs) =

Solve the proportion using number sense. 2/8 = x/ 48

1. 6

2. 12

3. 16

4. 8

8 * 6 = 48

so what is 2 times 6 ?

or another way

1/4 * 48 = 12

Solve the proportion using cross products. 18/20 = k/110

1. 99

2. 122

3. 3.3

4. 2.9

20 k = 18*110

2 k = 18 *11

k = 9 * 11

Are the ratios 8/12 and 10/25 proportional? Explain

8/12 = 2/3

10/15 = 2/3 so no way 10/25 is 2/3

A 10-acre field produced 750 bushels of corn. At the rate, how much corn can be produced from a 14-acre field?

14 acres * ( 75 bushels/acre)

10/750 = 14/x

Step-by-step explanation:

hope this help and plz mark me a brainiest

4 0

3 years ago

Read 2 more answers

Travis travel 248 miles in 4 hours what is his unit rate of speed in miles per hour

ivanzaharov [21]

248 divided by 4 equals 62 miles per hour.

8 0

2 years ago

One member of a gardening club can plant flowers in 12 hours. With two members of the club working together the job can be done

mariarad [96]

Answer:

24 hours

Step-by-step explanation:

One member of the gardening club can alone plant flowers in 12 hours.

So in 1 hour he can plant 1/12 of the flowers.

Let the time required by the second member of the club to plant flowers alone be x hours.

Then in 1 hour he can plant 1/x of the flowers.

Now when the two members work together,each hour they can plant:

$\frac{1}{12}+\frac{1}{x}$ of the flowers.

But they can together complete the job in 8 hours. So in one hour they plant 1/8 of the flowers.

=> $\frac{1}{12}+\frac{1}{x}=\frac{1}{8}$

=> $\[\frac{1}{x}=\frac{1}{24}\]
$

=> x=24

So the second member can plant the flowers alone in 24 hours

4 0

2 years ago