Simplify the following expression. -16 - 8/2 + 25 ÷ 5 + 1 -18 6 10 -6

Mathematics

1 answer:

Andrews [41]3 years ago

6 0

The answer is -6. Thought there is a chance I am wrong. Need an explanation?

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GenaCL600 [577]

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An ant crawls at a rate of 216 ft per minute. At this rate, how long does it take the ant to crawl a distance of 515 ft? Enter y

quester [9]

216 ft per minute or 3.6 ft per second
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3 years ago

The ratio of boys to girls in a school is 5:4. if there are 500 girls , how many boys are there in the school?

lana [24]

Answer:

The number of boys in the school is;

$625$

Explanation:

Given that the ratio of boys to girls in a school is 5:4;

$5\colon4$

And there are 500 girls in the school.

The number of boys in the school will be;

$\begin{gathered} \frac{B}{G}=\frac{5}{4} \\ G=500 \\ B=\frac{5\times G}{4}=\frac{5\times500}{4} \\ B=625 \end{gathered}$

Therefore, the number of boys in the school is;

$625$

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9 months ago

What is the value of 9P5 ?

zalisa [80]

$\bf _nP_r=\cfrac{n!}{(n-r)!}\qquad \qquad \qquad _9P_5=\cfrac{9!}{(9-5)!}$

check your calculator for the [!] factorial button.

also bear in mind that most calculators also have an [ₙPᵣ] button, to get Permuations, and you can just use that.

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3 years ago

Solve this complex fractions: (3/4)/2

strojnjashka [21]

Answer:

your answer is 0.375

Step-by-step explanation:

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