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3 years ago

9

⚠️❗️⚠️❗️⚠️❗️ 100 POINTS TO ANSWER ALL FOUR QUESTIONS IF YOU PUT A TROLL ANSWER OR A LINK I SWEAR TO GOD I’LL REPORT YOU ON 3 ALT

ACCOUNTS AND GET YOU BANNED AND I’M NOT BEING SARCASTIC OR JUST SAYING THIS. FIND THE AREA FOR ALL PROBLEMS PLEASE YOU CAN SHOW WORK OR NOT IF YOU WANT ⚠️❗️⚠️❗️⚠️
Warning I will ban you if you put troll answers or answers that don’t even answer the question

2 answers:

madam [21]3 years ago

3 0

Answer:

The first one (blue one) is 337cm³

Step-by-step explanation:

BARSIC [14]3 years ago

3 0

Answer: y’all btw this is my alt so

Step-by-step explanation:

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In a sample of 700 gas stations, the mean price for regular gasoline at the pump was $2.894 per gallon and the standard deviati

frez [133]

Answer:

$P(x < 2.892) = 4.36\%$

Step-by-step explanation:

Given

$N = 700$ --- Population

$\mu = 2.894$ -- Mean

$\sigma = 0.009$ --- Standard deviation

$n = 55$ -- Sample

Required: $P(x < 2.892)$

This question will be solved using the finite correction factor

First, calculated the z score

$z = \frac{x - \mu}{\sqrt{\frac{N -n}{N -1}} * \frac{\sigma}{\sqrt n}}$

$z = \frac{2.892 - 2.894}{\sqrt{\frac{700 -55}{700 -1}} * \frac{0.009}{\sqrt {55}}}$

$z = \frac{-0.002}{\sqrt{\frac{645}{699}} * \frac{0.009}{7.42}}$

$z = \frac{-0.002}{\sqrt{0.92} * \frac{0.009}{7.42}}$

$z = \frac{-0.002}{0.95917 * 0.0012129}$

$z = -1.71$

So:

$P(x < 2.892) = P(z < -1.71)$

Using z table

$P(x < 2.892) = 0.043633$

$P(x < 2.892) = 4.36\%$

3 0

3 years ago

Evaluate (−23)×(−23)3 by using the Laws of Exponents

Nikolay [14]

Given:

$\left(-\dfrac{2}{3}\right)\times \left(-\dfrac{2}{3}\right)^3$

To find:

The value of given expression by using the Laws of Exponents.

Solution:

We have,

$\left(-\dfrac{2}{3}\right)\times \left(-\dfrac{2}{3}\right)^3$

Using the Laws of Exponents, we get

$=\left(-\dfrac{2}{3}\right)^{1+3}$ $[\because a^ma^n=a^{m+n}]$

$=\left(\dfrac{-2}{3}\right)^{4}$

$=\dfrac{(-2)^4}{(3)^4}$ $[\because \left(\dfrac{a}{b}\right)^n=\dfrac{a^n}{b^n}]$

$=\dfrac{(-2)\times (-2)\times (-2)\times (-2)}{(3)\times (3)\times (3)\times (3)}$

$=\dfrac{16}{81}$

Therefore, the value of given expression is $\dfrac{16}{81}$ .

3 0

3 years ago

Help me pls, do and work it out number 6 plss help

grigory [225]

28

25/715

<u>-50 </u>

215

<u>-200</u>

28 15/25 equals to 28 3/5

7 0

3 years ago

Evaluate the function f(x) = 2x^2 -3x + 5 for the input value of -3

tigry1 [53]

Answer:

$f(-3) = 32$

Step-by-step explanation:

<u>Step 1: Set x to -3</u>

<u /> $f(x) = 2x^2 - 3x + 5$

$f(-3) = 2(-3)^2 - 3(-3) + 5$

$f(-3) = 2(9) + 9 + 5$

$f(-3) = 18 + 9 + 5\\$

$f(-3) = 32$

Answer: $f(-3) = 32$

3 0

3 years ago

Solve the equation for b. <br><br> b + 34 - 34 = 130- <br><br> does not equal 130.

aalyn [17]

Answer:

b+34-34=130

b+0=130

b=130-0

b=130

7 0

3 years ago