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White raven [17]

4 years ago

13

What is 8 divided by 3/4s

1 answer:

d1i1m1o1n [39]4 years ago

7 0

The answer is 10 2/3 because 3/4 equals .75. 8 divided by .75 equals 10 2/3

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How to solve and why the answer is (A)

Amanda [17]

$\dfrac{1}{2}x^2+mx=5\\
\dfrac{1}{2}x^2+mx-5=0\\\\
\Delta=m^2-4\cdot\dfrac{1}{2}\cdot(-5)=m^2+10\\
\sqrt{\Delta}=\sqrt{m^2+10}\\\\
x=\dfrac{-m\pm\sqrt{m^2+10}}{2\cdot\dfrac{1}{2}}=-m\pm\sqrt{m^2+10}$

7 0

3 years ago

A cake recipe calls for 30 milliliters of water for every 20 milliliters of cooking oil. How many milliliters of water are neede

NikAS [45]

To solve this problem we can set up a proportion, letting x represent the unknown amount of cooking oil.

30 milliliters water/20 milliliters cooking oil = x milliliters water/ 50 milliliters cooking oil

30/20 = x/50

To solve this proportion, we can use cross products, also called the means extremes products theorem. This takes the products of the numerator and denominator from the separate fractions and sets them equal to one another. In this circumstance, it results in the equation:

(30)(50) = (x)(20)

When we multiply we get:

1500 = 20x

Finally, we have to divide both sides of the equation by 20 to get our variable x alone on the right side of the equation.

x = 75 milliliters

Therefore, the proportion is completed, as 30/20 = 75/50.

Answer: You need 75 milliliters of water.

7 0

4 years ago

Read 2 more answers

3. The triangles are similar. Find the value of x.

BlackZzzverrR [31]

Answer:

yeah

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Which of the following equations is the result of completing the square on x^2 - 6x - 9 = 0?

lina2011 [118]

X² - 6x - 9 = 0
x² - 3x - 3x - 9 = 0
x (x-3) -3(x + 3) = 0
(x - 3)² = 0

In short, Your Answer would be Option A

Hope this helps!

6 0

3 years ago

Read 2 more answers

Which statements are true about x? Select three options

polet [3.4K]

The true statements about x are:

x ∈ B ∪ C

x ∈ B ∩ C

x ∈ A ∪ C

<h3>Further explanation</h3>

A set is a clearly defined collection of objects.

To declare a set can be done in various ways such as:

With words or the nature of membership

With set notation

By registering its members

With Venn diagrams

Multiplying set A x B is by pairing each member of set A with each member of set B.

<u>Example: </u>

<em>A = {1, 2, 3} </em>

<em>B = {a, b} </em>

Then

A x B = {(1, a), (1, b), (2, a), (2, b), (3, a), (3, b)}

Union of set A and B ( A ∪ B ) is rewriting each member A and combined with each member B.

Intersection of set A and B ( A ∩ B ) is to find the members that are both in Set A and Set B.

<u>Example: </u>

<em>A = {1, 2, 3, 4} </em>

<em>B = {3, 4, 5} </em>

A ∪ B = {1, 2, 3, 4, 5}

A ∩ B = {3, 4}

Let us now tackle the problem!

To solve this problem, it is better to draw the Venn diagram as shown in the picture in the attachment.

Let :

A = { p , q , s , t }

B = { q , r , t , x }

C = { s , t , v , x }

$\texttt{ }$

$B \cup C = \{ r , q , t , v , \boxed{x} \}$ ✔

$B \cap C = \{ t , \boxed{x} \}$ ✔

$A \cup C = \{ p , q , s , t , v , \boxed{x} \}$ ✔

$A \cap C = \{ s , t \}$ ⤬

$A = \{ p , q , s , t \}$ ⤬

$\texttt{ }$

From the results above, it can be concluded that the correct statements are:

x ∈ B ∪ C

x ∈ B ∩ C

x ∈ A ∪ C

$\texttt{ }$

<h3>Learn more</h3>

Mean , Median and Mode : brainly.com/question/2689808
Centers and Variability : brainly.com/question/3792854
Subsets of Set : brainly.com/question/2000547

<h3>Answer details</h3>

Grade: High School

Subject: Mathematics

Chapter: Sets

Keywords: Sets , Venn , Diagram , Intersection , Union , Mean , Median , Mode

5 0

3 years ago

Read 2 more answers