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3 years ago

Thirteen out of twenty-one people surveyed prefer fresh fruit over canned fruit. What percent of people prefer fresh fruit?

Mathematics

1 answer:

Bond [772]3 years ago

6 0

Answer:

The percent of the people who prefer fresh fruit is 61.9%

Step-by-step explanation:

Assume x% people prefer fresh fruit over canned fruit. Then x can be calculated as:

x= <u>No of people who prefer fresh fruit </u> * 100

Total no of surveyed people

x =<u> 13 </u> * 100

x = 61.9%

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Mr. Rr the Rreliable Rrobot has been programmed to whistle every $18$ seconds and do a jumping jack every $42$ seconds, starting

sveta [45]

Answer:

7 times during the first 15 minutes

Step-by-step explanation:

Remember that

$1\ min=60\ sec$

$15\ min=15(60)=900\ sec$

Decompose the numbers 18 and 42 in prime factors

we know that

$18=(2)(3^2)$

$42=(2)(3)(7)$

Find the least common multiple (LCM)

The LCM is

$(2)(3^2)(7)=126\ sec$

we need to find all multiples of 126 that are less than or equal 900.

$126*1=126\ sec\\126*2=252\ sec\\126*3=378\ sec\\126*4=504\ sec\\126*5=630\ sec\\126*6=756\ sec\\126*7=882\ sec$

therefore

7 times during the first 15 minutes

7 0

3 years ago

A large tank contains 350350 liters of a salt solution which has a concentration of 0.650.65 kilograms per liter. A salt solutio

Georgia [21]

Answer:

ss= 350350 × 0.65065 + 6060 x 0.808 x tt - (0.65065 + 6060/350350 x 0.808) 6060 x tt

5 0

3 years ago

A ship sails 250km due North qnd then 150km on a bearing of 075°.1)How far North is the ship now? 2)How far East is the ship now

algol [13]

The answers to the bearing problems are listed below:

How far North is the ship now ___________ 38.82 km
How far East is the ship now ____________ 144.89 km
How far is the ship from its starting point_____241.48 km
On what bearing is it now from its original position____035°

<h3>Meaning of bearing.</h3>

Bearing can defined as branch of mathematics that describes the accurate location of an object at any point in time.

<h3>Analysis</h3>

The answers to the problem from 1-3 can be gotten by using sin and cos to find the missing sides.

The final value can be gotten using the cosine rule

4). bearing from original position = $cos^{-1}$ ( $a^{2}$ + $b^{2}$ ﹣ $c^{2}$ ) / $2ab$ = 35°

In conclusion, the answers for each is given in the list above.

Learn more about Bearing: brainly.com/question/24142612

#SPJ1

8 0

2 years ago

398.574986215 to the nearest ten-thousandth.

Julli [10]

Answer: $398.5750$

Step-by-step explanation:

It is important to remember that the fourth digit after the decimal point is in the ten-thousandth place.

Then, given the following number:

$398.574986215$

You can follow these steps in order ti round it to the nearest ten-thousandth:

1. You can identify that the digit in the ten-thousandth place is:

$9$

2. Identify the digit to the right of $9$ . This is:

$8$

3. Since:

$8>5$

You must round up. Increase the digit $9$ by 1. (Notice that $9+1=10$ , then the digit to the left of $9$ increases by 1 too). Then:

$398.5750$

3 0

4 years ago

PLEASE ANSWER VERY VERY QUICKLY! GIVING BRAINIEST 3x 3 + 1 over 4 x 4 with the power of 2 how would you solve this?

Orlov [11]

Answer:

FRACTION: 10 (10 OVER 256)

256

Step-by-step explanation:

3 x 3 is 9, plus 1 is 10

4x4 is 16, and 16² is 256

5 0

3 years ago