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2 years ago

15 rounded to the nearest whole number

Mathematics

2 answers:

Nimfa-mama [501]2 years ago

8 0

It’s already rounded to a whole number

denpristay [2]2 years ago

3 0

Answer:

15 rounded to the nearest whole number is 15 since it’s already a whole number.-

Step-by-step explanation:

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If a car goes 280 miles in 4 hrs how far could it go in 6 hrs and 30 mins

Zina [86]

Answer:

280/4 = 70 miles per hour. Next, take the unit rate and multiply it by the number of hours you are trying to find. In this case, you are trying to find 6 hours and 30 minutes, but this can also be rewritten as 6.5, since 30 minutes is half an hour. So, in 6.5 hours, the car can go 455 miles

7 0

3 years ago

Aysha has 40 cubes in a bag.

marissa [1.9K]

Given:

Total number of cubes = 40

Red cubes = 18

Blue cubes = 13

Yellow cubes = 9

Aysha adds some more red cubes into the bag.

The probability now that she will take a red cube is 0.5.

To find:

The probability that she will take a yellow cube.

Solution:

Let Aysha adds x red cubes into the bag. Then,

Number of total cubes = 40+x

Number of red cubes = 18+x

Probability of getting a red cube is:

$P(Red)=\dfrac{18+x}{40+x}$

The probability now that she will take a red cube is 0.5. So,

$\dfrac{18+x}{40+x}=0.5$

$18+x=0.5(40+x)$

$18+x=20+0.5x$

$x-0.5x=20-18$

$0.5x=2$

Divide both sides by 0.5.

$x=\dfrac{2}{0.5}$

$x=4$

It means Aysha adds 4 more red cubes into the bag.

Now, the total number of cubes int he bag is:

$40+4=44$

Probability of getting a yellow cube is:

$P(Yellow)=\dfrac{\text{Number of yellow cubes}}{\text{Total number of cubes}}$

$P(Yellow)=\dfrac{9}{44}$

Therefore, the required probability is $P(Yellow)=\dfrac{9}{44}$ .

8 0

3 years ago

Ten frequent gamers are randomly selected. The random variable represents the number of frequent gamers who play video games on

notsponge [240]

Answer:

For this to be a binomial experiment, the assumption that is made is:

C. The probability of being selected is the same for all ten gamers.

Step-by-step explanation:

a) A binomial experiment must meet the following four conditions:

1. The experiment must consist of 'n' identical trials.

2. Each experiment must result in one of the two outcomes of either success or failure.

3. The probability of success (p) must remain the same from one experiment to the next.

5 0

3 years ago

Read 2 more answers

ILL GIVE BRAINLIEST PLS HELP ME

luda_lava [24]

One solution

The two (or more) equations would only intersect once

No solution

Lines never intersect

The lines are parallel

Infinite solutions

The lines are the exact same

That’s all the characteristics I know

3 0

4 years ago

What is the best estimate of the sum of the fraction? 31/4 +17/3 +8/18

Bogdan [553]

The best estimate of the sum of the expression given is $\rm 13 \dfrac {31}{26}$

What is a Fraction ?

A fraction is written as p/q , where q $\rm \ne$ 0

It is asked to determine the sum of the fraction

31/4 + 17/3 + 8/18

Taking the LCM of 4 , 3 , 18

LCM of 4 , 3 ,18 is 36

Therefore

$\rm \dfrac{ 31 *9 + 17 *12 + 8 *2}{36 }$

(279+204+16) /36

499 / 36

$\rm 13 \dfrac {31}{26}$

Therefore the best estimate of the sum of the expression given is $\rm 13 \dfrac {31}{26}$ .

To know more about Fraction

brainly.com/question/10354322

#SPJ1

3 0

2 years ago