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natita [175]
4 years ago
6

Describe how to round 3.987 to the nearest tenth

Mathematics
2 answers:
Virty [35]4 years ago
8 0
So u basically round 8 which is 10 and then add the 1 from 10 to 9 which is 10 and add the 1 to 3 which is 4
Romashka-Z-Leto [24]4 years ago
3 0
The tenth digit is the second to the right, after the decimal, so 8. If you look at the hundredths digit, you see it is a 7. Is 7 closer to 1 or 10? 10, so you would round the 8 up to 9, instead of leave it at 8. If the hundredths digit was closer to 1, you would leave it as a 8. Hope this helped! (:
You might be interested in
Which of the following expressions has three terms?
Serjik [45]
C because the 2 is a single term, the 4x is a single term, and the 7y is a single term.
7 0
3 years ago
Which interval is the solution set to 0.35x - 4.8 < 5.2 -0.9x?
8_murik_8 [283]

Answer:  (-\infty, 8)

Step-by-step explanation:

Given the following inequality:

0.35x - 4.8 < 5.2 -0.9x

You need to solve for "x" in order to find the solution.

The steps are:

1. Add 0.9x to both sides of the inequality:

0.35x - 4.8+0.9x < 5.2 -0.9x+0.9x\\\\1.25x-4.8

2. Add 4.8 to both sides:

1.25x-4.8+4.8

3. Divide both sides by 1.25:

\frac{1.25x}{1.25}

Notice that "x" is  less than 8. This indicates that 8 is not included in the solution and you must use parentheses.

The solution in Interval notation is:

(-\infty, 8)

8 0
3 years ago
Read 2 more answers
The bumper car ride at the state fair has 2 red cars, 4 green cars, an for the ride and is assigned a the probability that both
ollegr [7]

Answer:

a)  3.6%

Step-by-step explanation:

The given question mixed up, below is the correct question:

The bumper car ride at the state fair has 2 red cars, 4 green cars, and 2 blue cars. Garth is first in line for the ride and is assigned a car at random.  Patty is next in line and is randomly assigned a car. Find the probability that both events A and B occur. Express your answer as a percent. If necessary, round your answer to the nearest tenth.

Calculation:

Given that the state fair has 2 red cars, 4 green cars and 2 blue cars.

There are therefore 2+4+2 = 8 cars in total.

Probability that Events A occurs P(A) = \frac{2}{8} = 4

Probability that Events B occurs P(B) = \frac{1}{7}

Probability that Events A and B occur P(A ∩ B) = \frac{2}{8} × \frac{1}{7} = \frac{2}{56} = 0.0357 = 3.57%  ≈ 3.6%

Therefore, the probability that both events A and B occur is 3.6%

5 0
4 years ago
Learn with an example
lina2011 [118]
Answer: 8f + 24

Explanation: You distribute the outside number to everything in the parentheses
7 0
3 years ago
Plz find x and y WILL GIVE BRAINLIEST!!!!!!
Elina [12.6K]

Answer:

x=-2 and y=2

Step-by-step explanation:

Do simultaneous equations

-8x + 4y = 24 <em>(multiply everything in the equation by -7)</em>

-7x + 7y = 28 <em>(multiply everything in the equation by 8)</em>

56x - 28y  = -168

-56x + 56y = 224

<em>(add equations, ie add 'x' parts, 'y' parts, and numerical parts)</em>

<em> </em>28y = 56

∴y = 2

-8x + 4y = 24

-8x + 4(2) = 24

-8x = 16

∴x=-2

Lemme know if you have questions :D

8 0
3 years ago
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