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3 years ago

1/3x12=4/3=_____ Please help me figure this out

Mathematics

2 answers:

Korolek [52]3 years ago

8 0

1 whole and 1/3 is the answer

jeyben [28]3 years ago

3 0

1/3x12=3/4 is incorrect. the answer in 1/3x12=4. simple and clear.

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Which is the solution set for –7 ≤ 4x + 1 ≤ 5?<br><br> I added a picture !

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$-7\leq4x+1\leq5\ \ \ \ |subtract\ 1\\\\-7-1\leq4x+1-1\leq5-1\\\\-8\leq4x\leq4\ \ \ \ |divide\ by\ 4\\\\-8:4\leq4x:4\leq4:4\\\\\boxed{-2\leq x \leq1\Rightarrow x\in[-2;\ 1]}$

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3 years ago

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Find the value of x in the polygon <br>

laila [671]

Use the Pythagorean theorem (a^2+b^2+x^2)

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A car dealership is having a sale in which customers pay 85% of the retail price for a new vehicle. keith is buying a vehicle wi

mash [69]

First, we calculated the discounted price which would have been paid by Keith. That is the product of 85% and $36,000.
($36,000) x (85%) = $30,600
Then, after negotiating to pay 9% off the sale price, he will only need to pay 91% of the sale price. The new price would be,
($30600) x (0.91) = $27846
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3 years ago

John find 1/5 of the bar chocolate he bought was already eaten by his brother. He eat 3/4 of what was remaining. Find the portio

larisa86 [58]

Answer:

1/5 is left.

Step-by-step explanation:

Portion remaining after the bar was eaten by his brother = 1 - 1/5 = 4/5.

Portion remaining after John ate 3/4 of this = 4/5 - 3/4* 4/5 = 4/5 - 3/5

= 1/5.

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3 years ago

Need help using synthetic division!

viktelen [127]

Answer:

$3x^{2} -3x+8-\frac{9}{x+1}$

Step-by-step explanation:

Since we're dividing the polynomial by $(x+1)$ , we'll be using -1 to start the division.

Before setting the division up, let's list the coefficients of $x$ from descending powers and the constant.

The coefficient of $x^{3}$ is 3

Since we don't see an $x^{2}$ , the coefficient will be 0.

The coefficient of $x$ is 5.

Lastly, the constant, which is the term without the $x$ is -1.

Refer to the attached picture before continuing.

After referring to the picture, we now have the coefficients for the quotient.

The coefficient of $x^{2}$ is 3.

The coefficient of $x$ is -3.

The constant is 8.

Lastly, since the last number is not zero, it's the remainder just like regular division. This can be tricky to remember, but -9 is not the actual remainder.

The remainder is actually $\frac{-9}{x+1}$ .

Now putting all the pieces together, we get:

$3x^{2} -3x+8-\frac{9}{x+1}$

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2 years ago