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3 years ago

15

Describe how to round 3.987 to the nearest 10th

1 answer:

Luden [163]3 years ago

3 0

You look at the tenths place(the number behind the decimal) then you look at the the numbers behind it if the one directly behind it is more than five then you round it up one so like this would be 4.000 because u leave the number in front alone until you have figured the other things out so leave the three alone for right now the look at the nine then look at the eight it is more than five so you round the nine to ten(which would be 4) then turn everything else to zeros so the answer is 4.000 or just 4

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One of the parcels weighs 2500 grams.

enot [183]

The answer is 2.5 kilograms. One kilogram is 1000 grams.

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3 years ago

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Factor the following equations to find the zeros of the equation.

irina1246 [14]

The zeroes of the equation are (1,4)

Step-by-step explanation:

Given equation is:

$y = x^2 - 5x + 4$

We have to put y=0 in the equation to find zeroes of the equation

$x^2-5x+4 = 0\\x^2 - 4x- x +4 = 0\\x(x-4)-1(x-4) = 0\\(x-4)(x-1) = 0\\x - 4 =0 => x = 4\\x-1 = 0 => x = 1$

Hence,

The zeroes of the equation are (1,4)

Keywords: Equation, zeroes of an equation

Learn more about zeroes of equation at:

#LearnwithBrainly

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3 years ago

Of the total number of spectators at a circus show, 1/4 are men. 2/5 of the remaining number of spectators are women. There are

ch4aika [34]

Answer: There are $198$ children at the circus show.

Step-by-step explanation:

Let be "x" the total number of spectators at the circus show and "c" the number of children at the circus show.

Knowing that $\frac{1}{4}$ of the spectators are men, we can find the remaining:

$x-\frac{1}{4}x=\frac{3}{4}x$

Since $\frac{2}{5}$ of the remaining number of spectaros are women and there are a total of 132 women, we can write the following equation:

$(\frac{2}{5})(\frac{3}{4}x)=132$

Solving for "x", we get:

$x=(132)(\frac{20}{6})\\\\x=440$

Therefore, we get that "c" is:

$c=440-\frac{1}{4}(440)-132\\\\c=198$

8 0

3 years ago

A shoe company found that 4.25% of the production is defective. The company

nlexa [21]

1190 pairs of shoes are defective

<em><u>Solution:</u></em>

Given that shoe company found that 4.25% of the production is defective

The company made 28,000 pairs of shoes

To find: Number of pairs of defective shoes

From given information, 4.25% of the production is defective which means 4.25% of 28,000 pairs of shoes

Defective shoes = 4.25% of 28,000

Defective shoes $= \frac{4.25}{100} \times 28000$

Defective shoes $= 4.25 \times 280 = 1190$

Thus 1190 pairs of shoes were defective

6 0

3 years ago

Two warning lights flash on the fences of Jurassic Park. One light flashes every 3 seconds. Another light flashes

Anni [7]

Answer:

5 times

Step-by-step explanation:

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8 0

3 years ago

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