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forsale [732]
3 years ago
15

How are polynomial expressions written in standard form

Mathematics
2 answers:
tankabanditka [31]3 years ago
8 0

Answer:

idk mabye...

Step-by-step explanation:

???

statuscvo [17]3 years ago
4 0

Answer:

See below.

Step-by-step explanation:

In descending order of degree.

For example:

2x^3 + 4x^2 - 7x + 11.

This is a polynomial of degree 3.

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Find the measure of angle ABC.<br><br> A. 124<br><br> B. 97<br><br> C. 56<br><br> D. 51
Airida [17]

Answer: Last Option

Step-by-step explanation:

By definition the sum of the internal angles of a triangle must always be equal to 180 °.

This means that:

32 + (2x-15) + (x-5)=180

Now we solve the equation for the variable x

32 + 2x-15 + x-5=180

2x+x +32-15-5=180

3x +32-20=180

3x +12=180

We subtract 12 in both barks of the equation

3x +12-12=180-12

3x=168

Divide by 3 on both sides of the equation

\frac{3}{3}x=\frac{168}{3}

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Finally the measure of angle ABC is: (56-5)° = 51°

6 0
3 years ago
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The length of a rectangle is (x+5) and the width is (x+2). The area of the rectangle is 70 square feet. What is the length of th
vaieri [72.5K]

Answer:

The length of the rectangle is 30 feet.

Step-by-step explanation:

Because the equation for area is length times width, you would have to set the two equations to seventy and multiply them.

<em>     (x+5) (x+2) = 70</em>

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Then, you would have to subtract ten from both sides, cancelling it from the left side.

<em>     2x = 60</em>

<em />

Then do the opposite and divide sixty by two, therefore getting a length of thirty feet.

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Grace can read 840 words in 7 minutes. At that rate, how many words can she read in one hour
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5740

Step-by-step explanation:

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Delilah can do 46 jumping jacks per minute.

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