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3 years ago

Can you guys help me!!!

Mathematics

1 answer:

Gnesinka [82]3 years ago

7 0

I cant see the question, id help if i could

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What is the value of the expression “three less than the quotient of ten and a number, increased by six” when n = 2?

zloy xaker [14]

So the equation would be 10/N+3-6.
10/2=5 5+3=8 8-6=2. so if you plug in 2, it would make an answer of 2.

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3 years ago

A company sells sneakers and has a revenue that can be represented by the function R(s) = 80s – s2, where s represents the numbe

Harman [31]

Answer:

the second one is the answer

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2 years ago

Rewrite the rational exponent as a radical. (5*3/4 power)2/3 power

mrs_skeptik [129]

$Use:\\\sqrt[n]{a^m}=a^{\frac{m}{n}}\\\\(a^n)^m=a^{nm}\\\\\left(5^{\frac{3}{4}}\right)^{\frac{2}{3}}=5^{\frac{3}{4}\cdot\frac{2}{3}}=5^{\frac{1}{2}\cdot\frac{1}{1}}=5^{\frac{1}{2}}=\sqrt[2]{5}=\boxed{\sqrt5}$

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3 years ago

What percentage of the population has a heart rate between 68 and 77

velikii [3]

Answer:

49.87% of the population has a heart rate between 68 and 77.

Step-by-step explanation:

We are given that the mean of the data for the resting heart of adults is 68 beats per minute and the standard deviation is 3 beats per minute.

Let X = the data for the resting heart of adults

The z-score probability distribution for the normal distribution is given by;

Z = $\frac{X-\mu}{\sigma}$ ~ N(0,1)

where, $\mu$ = population mean = 68 beats per minute

$\sigma$ = standard deviation = 3 beats per minute

Now, the percentage of the population that has a heart rate between 68 and 77 is given by = P(68 < X < 77)

P(68 < X < 77) = P(X < 77) - P(X $\leq$ 68)

P(X < 77) = P( $\frac{X-\mu}{\sigma}$ < $\frac{77-68}{3}$ ) = P(Z < 3) = 0.9987

P(X $\leq$ 68) = P( $\frac{X-\mu}{\sigma}$ $\leq$ $\frac{68-68}{3}$ ) = P(Z $\leq$ 0) = 0.50

The above probability is calculated by looking at the value of x = 3 and x = 0 in the z table which has an area of 0.9987 and 0.50 respectively.

Therefore, P(68 < X < 77) = 0.9987 - 0.50 = 0.4987 or 49.87%

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4 years ago

Maria made some purchses at the Sunflower Market. She bought strawberries for $3.50, carrots for $2.25 and a bouquet of flowers

Eduardwww [97]

Answer:

$13.25

Step-by-step explanation:

First you add everything up to get you to $15.70, then the 20% is changed to .2 which you then multiply 15.70 by .2 giving you 3.14. You then take 15.70 minus 3.14 which then gets you to 12.56. Then you take the tax of 5.5% and times $12.56 by it, giving you 69 cents, as your tax. Add those together to get 13.25, and then your finished.

6 0

3 years ago

Read 2 more answers