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Verdich [7]
2 years ago
7

Which of these expressions is equivalent to 3x(x-1)-5(x-1)? Select all that apply.

Mathematics
2 answers:
Maru [420]2 years ago
6 0

Answer:

3x(x-1)-5(x-1)

=3x²-3x-5x+5 (we can count it one by one)

=3x²-8x+5 (we can calculate the same variable)

#i'm from indonesia

hope it helps.

yan [13]2 years ago
4 0

Answer:

\boxed{3x^2 -8x+5}

\boxed{(3x-5)(x-1)}

Step-by-step explanation:

3x(x-1)-5(x-1)

Expand brackets.

3x(x)+3x(-1)-5(x)-5(-1)

3x^2 -3x-5x+5

Combine like terms.

3x^2 -8x+5

3x(x-1)-5(x-1)

Take x-1 as a common factor.

(3x-5)(x-1)

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Which of the following is the equation for the graph shown?a. x^2/144+y^2/95=1b. x^2/144-y^2/95=1c. x^2/95+y^2/144=1d. x^2/95-y^
Andrews [41]

e follSOLUTION

Given the question in the image, the following are the solution steps to answer the question

STEP 1: Write the general equation of an ellipse

\frac{\mleft(x-h\mright)^2}{a^2}+\frac{(y-h)^2}{b^2^{}}=1

STEP 2: Identify the parameters

the length of the major axis is 2a

the length of the minor axis is 2b

\begin{gathered} 2a=24,a=\frac{24}{2}=12 \\ 2b=20,b=\frac{20}{2}=10 \end{gathered}

STEP 3: Get the equation of the ellipse

\begin{gathered} By\text{ substitution,} \\ \frac{(x-h)^2}{a^2}+\frac{(y-h)^2}{b^2}=1 \\ \frac{(x-0)^2}{12^2}+\frac{(y-0)^2}{10^2}=1=\frac{x^2}{144}+\frac{y^2}{100}=1 \end{gathered}

STEP 4: Pick the nearest equation from the options,

Hence, the equation of the ellipse in the image is given as:

\frac{x^2}{144}+\frac{y^2}{95}=1

OPTION A

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1 year ago
Express 5.012 as a fraction in its simplest form
Sergeeva-Olga [200]

Answer:

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Step-by-step explanation:

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Hello!

Explanation:

First, you had to do is multiply by the numbers. And don't forget to used variables.

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Hope this helps!

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5th grade math. correct answer will be marked brainliest.
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