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4 years ago

7

Solve the following equation: |7 – (24 ÷ | 3-6 |)|(A)15(B)-12(C)1(D)-1

2 answers:

Jet001 [13]4 years ago

6 0

Answer: Its c

Step-by-step explanation:

Zepler [3.9K]4 years ago

3 0

PEDMAS

The rule is Paranthesis First

|7-(24÷|3-6|)|

|7-(24÷|-3|)|

Now we have to get the -3 outside the 2 Lines but the lines are saying that if the number inside is negative when you get it outside it has to be positive.

|7-(24÷3)|-

|7-(8)|

|7-8|

|-1|

= 1

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Ostrovityanka [42]

Answer: Yes it is possible

Example: Yeast is a single-celled fungus.

There are probably other types of fungus that are single-celled. However, some other fungi are multi-celled. You will likely need more information about the organism under the microscrope before you can classify it properly.

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2 years ago

Let A = (1, 0, 3) and B = (−3, 2, 1).

Romashka-Z-Leto [24]

Answer:

a) $(-\frac{\sqrt{24}}{6} ,\frac{\sqrt{24}}{12} ,-\frac{\sqrt{24}}{12})$

b) $(-1,1,2)$

c) $-2x+y-z=1$

Step-by-step explanation:

a)

AB, OB, OA are vectors.

$AB = OB - OA = (-3, 2, 1) - (1, 0, 3) = (-4, 2, -2)\\||AB|| = \sqrt{(-4)^2+2^2+(-2)^2}=\sqrt{24}\\$

Normalizing AB: $\frac{AB}{||AB||} = (\frac{-4}{\sqrt{24}},\frac{2}{\sqrt{24}}, \frac{-2}{\sqrt{24}})=(-\frac{\sqrt{24}}{6} ,\frac{\sqrt{24}}{12} ,-\frac{\sqrt{24}}{12})$

b)

OM, OA, OB are vectors.

$OM = \frac{1}{2}OA+\frac{1}{2}OB=(\frac{-3+1}{2} ,\frac{2+0}{2}, \frac{1+3}{2} )=(-1,1,2)$

So, $M = (-1,1,2)$

c)

$-4x+2y-2z=(-4)(-1)+(2)(1)+(-2)(2)=4+2-4=2$

Hence,

$-2x+y-z=1$

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3 years ago

Find Sin(r) <br><br> Answers to pick from <br><br> 1.7/25<br> 2.25/24<br> 3.7/24<br> 4.24/25

Tanzania [10]

It would be 7/25. sin= opposite/hypotenuse

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3 years ago

In order to determine the effectiveness of a new measles antibody test, it is administered to 500 people chosen at random. The n

myrzilka [38]

Answer:

The probability that a randomly chosen person has measles antibodies in his/her blood if the new test is positive = 0.9796

Step-by-step explanation:

The event that someone tests positive = P(T)

The event that someone has antibodies = P(A)

The event that someone does not have antibodies = P(A')

The new test was positive when administered to 96% of those who have the antibodies.

This probability = P(T n A) = 0.96

The new test gave positive results in 2% of those who do not have them.

This probability = P(T n A') = 0.02

The probability that a randomly chosen person has measles antibodies in his/her blood if the new test is positive = P(A|T)

This conditional probability is given as

P(A|T) = P(T n A) ÷ P(T)

P(T) is given as

P(T) = P(T n A) + P(T n A') = 0.96 + 0.02 = 0.98

P(A|T) = P(T n A) ÷ P(T) = 0.96 ÷ 0.98 = 0.9796

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3 years ago

A 45.00 purchase in Iowa totals 47.70 with tax and a 35.00 purchase in Tennessee titalsc37.45 with tax. Which store has a greate

KengaRu [80]

Answer:

$Tennessee \ at \ 7\%$

Step-by-step explanation:

First we calculate the tax rate in each state:

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$T_t=\frac{47.70-45}{45}\times100\%\\=6\%$

Tennessee Tax Rate,

$T_t=\frac{37.45-35}{35}\times100\%\\=7\%$

From our calculations it's clear than Tennessee has the highest tax rate of the two at 7% to Iowa's 6%

Hence Tennessee has a greater sales tax percentage.

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4 years ago