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3 years ago

C equal 3x - 2 of x=5 than what does c equal

Mathematics

2 answers:

Sonbull [250]3 years ago

5 0

Answer:

i need help this too

Step-by-step explanation:

Mashutka [201]3 years ago

4 0

Answer:

Step-by-step explanation:

Given,

x = 5

Now, let's find the value of C

$c = 3x - 2$

plug the value of x

$= 3 \times 5 - 2$

Multiply the numbers

$= 15 - 2$

Calculate the difference

$= 13$

Hope this helps..

Best regards!!

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2 years ago

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Novay_Z [31]

Answer: $3+\sqrt{2}$

Step-by-step explanation:

Given the following expression shown in the picture:

$\frac{7}{3-\sqrt{2} }$

You need to use a process called "Ratinalization".

By definition, using Rationalization you can rewrite the expression in its simplest form so there is not Radicals in its denominator.

Then, in order to simplify the expression, you can follow the following steps:

Step 1. You need to multiply the numerator and the denominator of the fraction by $3+\sqrt{2}$ , which is the conjugate of the denominator $3-\sqrt{2}$ .

Step 2. Then you must apply the Distributive property in the numerator.

Step 3. You must apply the following property in the denominator: $(a+b)(a-b) = a^2 - b^2$

Therefore, applying the procedure shown above, you get:

$=\frac{(7)(3+\sqrt{2})}{(3-\sqrt{2})(3+\sqrt{2})}=\frac{21+7\sqrt{2}}{3^2-(\sqrt{2})^2}=\frac{21+7\sqrt{2}}{9-2}=\frac{21+7\sqrt{2}}{7}$

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3 0

2 years ago

Which expression is equivalent to -3(4x-0.50)? PLEASEEEEEEEEEEEEE HELPPP

Misha Larkins [42]

Final Answer: $-12x + 1.5$

Steps/Reasons/Explanation:

Question: Which expression is equivalent to $-3(4x - 0.50)?$

Step 1: Expand by distributing terms.

$-3$ × $4x - 3$ × $-0.50$

Step 2: Simplify $-3$ × $4x$ to $-12x$ .

$-12x - 3$ × $-0.50$

Step 3: Simplify $3$ × $-0.50$ to $-1.5$ .

$-12x - (-1.5)$

Step 4: Remove parentheses and add.

$-12x + 1.5$

~I hope I helped you :)~

6 0

2 years ago

A. What is the vertex of the equation y = (x - 4)??

Contact [7]

Good morning,

Answer:

(4 , 0)

Step-by-step explanation:

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Look at the photo below for the graph.

8 0

3 years ago