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3 years ago

What is 7.39 rounded to the nearest whole number?

Mathematics

2 answers:

lutik1710 [3]3 years ago

5 0

7 is the answer 4 and lower you round down 5 and up is up

kupik [55]3 years ago

3 0

7. How I always remembered it was 4 and down hit the ground. 5 to 9 make it climb.

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Can any one help me pls I'm not good at math:(<br>the graph of a function is shown on the grid

melamori03 [73]

Answer:

D is the correct answer

Step-by-step explanation:

The coordinates of the x axis is always listed first.

On the x axis the line was less than one and more than zero leaving the fraction as the only option.

hope it helps

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3 years ago

Johnny has 7 apples he gives 2 away calculate the mass and taste of the sun

KiRa [710]

69 420epic pogchamp

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3 years ago

If a rubber ball rebounds to 97% Of its height with each bounce, how many times will it bounce before rebounds to half of its or

padilas [110]

If a quantity A is decreased to a x% of its initial value, then the new value will be:

A*(x%/100%).

Using this, we will see that the ball rebounds 23 times before rebounds to half of its original height.

Ok, let's assume that the original height of the rebound is H.

After one rebound, the new height will be H*(97%/100%) = H*0.97

After another rebound, the new height will be: (H*0.97)*(97%/100%) = H*(0.97)^2

You can already see the pattern here. This is an exponential decay, and the height of the n-th rebound can be written as:

f(n) = H*(0.97)^n

We want to find the value of n such that the <u>height of that rebound is exactly half of the initial height</u>, so we want to solve:

f(n) = H/2 = H*(0.97)^n

We can divide both sides by H to get:

1/2 = (0.97)^n

Now remember the natural logarithm property:

ln(x^k) = k*ln(x)

Then we can apply the natural logarithm to both sides to get:

ln(1/2) = ln((0.97)^n)

ln(1/2) = n* ln(0.97)

ln(1/2)/ln(0.97) = n = 22.76

Rounding to the next whole number, we have n = 23

This means that the ball will bounce 23 times before rebounds to half of its original height.

If you want to learn more, you can read:

brainly.com/question/19599469

3 0

3 years ago

Hii i’ll give brainliest please help thanks :)

Zepler [3.9K]

Answer:

A.) .75

Step-by-step explanation:

So the upper quartile is basically just the median of the bottom half. So we take the bottom half of the numbers:

0.5, 0.5, 0.75, 0.75, 1, 1, 1

And the median of the is 0.75

So the lower quartile is .75

hope this helps:)

3 0

3 years ago

Read 2 more answers

A set of twins, Andrea and Courtney, are initially 10 years old. While Courtney remains on Earth, Andrea rides on a spaceship th

SVETLANKA909090 [29]

The initial age of 10 years and the spaceship speed of 0.60•c, gives the Andrea's age at the end of the trip as 18 years.

<h3>How can Andrea's new age be calculated?</h3>

The time dilation using the Lorentz transformation formula is presented as follows;

$t' = \frac{t}{ \sqrt{1 - \frac{ {v}^{2} }{ {c}^{2} } } }$

From the question, we have;

The spaceship's speed, <em>v</em> = 0.6•c

∆t = Rest frame, Courtney's time, change = 10 years

Therefore;

$\delta t' =\delta t \times \sqrt{1 - \frac{ {(0.6 \cdot c)}^{2} }{ {c}^{2} } } = 8$

The time that elapses as measured by Andrea = 8 years

Andrea's age, <em>A</em>, at the end of the trip is therefore;

A = 10 years + 8 years = 18 years

Learn more about the Lorentz transformation formula here:

brainly.com/question/15544452

#SPJ1

3 0

2 years ago