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3 years ago

10

Number closest to 87 square root?

1 answer:

Serga [27]3 years ago

6 0

9 i’m pretty sure bc if u do the square root of 87 and round it to the nearest whole number u get 9

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If the area of a circle is 58 square feet, find the circumference.

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The price of a house is originally listed at $220.000 The owners are having a hard time selling it and decide to reduce the pric

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Explain he differences between properties of equality and properties of inequality when solving equations and inequalities.

nadya68 [22]

The difference between properties of equality and properties of inequality that you need to take into account when you are solving equalities and inequalities is the effect that some operations have on the sign.

1) The multiplicative property of equality permits you to multiplicate both members (sides) on an equality times a factor and the equality will remain. But in an inequality, while the factor is positive the inequality will remain but when the factor is negative, the sign of the inequality will change.

2) The same is true about the division property:

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3 years ago

Please give an accurate answer and show work.

Stells [14]

Answer:

3.06

Step-by-step explanation:

$\log_{5}(\dfrac{2}{3}x-2)+2=0\\\\\log_{5}(\dfrac{2}{3}x-2)=-2\\\\$

This means that 5 to the power of -2 is $(\dfrac{2}{3}x-2)$ , meaning that:

$\dfrac{2}{3}x-2=5^{-2}=\dfrac{1}{25} \\\\\dfrac{2}{3}x=\dfrac{51}{25} \\\\2x=\dfrac{153}{25} \\\\x=\dfrac{153}{50}=3.06$

Hope this helps!

6 0

3 years ago

Elementary and secondary schools were classified by the number of computers they had.

Keith_Richards [23]

Answer:

$Probability = 0.7259$

$Probability = 0.2741$

$Probability = 0.4414$

Step-by-step explanation:

Given

The table

First, we calculate the amount of schools

$Total = 752 + 3352 + 18865 + 14016 + 46805$

$Total = 83790$

Solving (a): Probability of 75+ computers.

From the given table, schools with 75 or more computers have the population of:

$75\ or\ more = 14016 + 46805$

$75\ or\ more = 60821$

The probability is calculated as:

$Probability = \frac{75\ or\ more}{Total}$

$Probability = \frac{60821}{83790}$

$Probability = 0.7259$

Solving (b): Probability of less than 75 computers.

From the given table, schools with less than 75 computers have the population of:

$Less\ than\ 75 = 752 + 3352 +18865$

$Less\ than\ 75 = 22969$

The probability is calculated as:

$Probability = \frac{Less\ than\ 75}{Total}$

$Probability = \frac{22969}{83790}$

$Probability = 0.2741$

Solving (c): Probability of less than 10 computers.

From the given table, schools with less than 100 computers have the population of:

$Less\ than\ 100 = 752 + 3352 +18865+14016$

$Less\ than\ 100 = 36985$

The probability is calculated as:

$Probability = \frac{Less\ than\ 100}{Total}$

$Probability = \frac{36985}{83790}$

$Probability = 0.4414$

8 0

3 years ago