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2 years ago

1. Whats the answer to The function f(2) = 2x+5.

Mathematics

1 answer:

dimulka [17.4K]2 years ago

6 0

Answer:

Step-by-step explanation:

x=2 so...

2*2+5=9

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Jonathan bought a table and some chairs at a furniture store.

Naily [24]

Answer:

It must be the cost of the one table.

Step-by-step explanation:

It's logic. 25x is the cost of the (unknown) number of chairs.

The total Amount he spent is the cost of the chairs <u>plus</u> what he spent on the table.

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3 years ago

Given sec theta=-4/3 and 90

KATRIN_1 [288]

What is ur question?

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2 years ago

During a rock concert, the noise level (in decibels) in front row seats has a mean of 92 dB with a standard deviation of 9 dg_ W

rodikova [14]

Answer:

The minimum percentage of noise level readings within 8 standard deviations of the mean is 98.44%.

Step-by-step explanation:

When we do not know the shape of the distribution, we use the Chebyshev's Theorem to find the minimum percentage of a measure within k standard deviations of the mean.

This percentage is:

$p = 1 - \frac{1}{k^{2}}$

Within 8 standard deviations of the mean

This means that $k = 8$ . So

$p = 1 - \frac{1}{8^{2}} = 1 - \frac{1}{64} = \frac{64 - 1}{64} = \frac{63}{64} = 0.9844$

The minimum percentage of noise level readings within 8 standard deviations of the mean is 98.44%.

6 0

3 years ago

The diameter of a circle is 9 inches. What is the radius?

Deffense [45]

R=1/2*d
r=1/2*9
r=4.5 inches

5 0

2 years ago

Read 2 more answers

Find the missing number so that the equation has no solutions.<br> x - 18 = -3x - 8

Wewaii [24]

Answer: x = 5/2

Step-by-step explanation:

4 0

2 years ago