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OlgaM077 [116]
3 years ago
8

4. Ketisha is practicing for a marathon by running around a track that is 440 yards long. Yesterday she ran around the track 20

times. How many miles did she run?
Mathematics
1 answer:
adoni [48]3 years ago
4 0
440 yards x 20 = 8800 yards.

8800 yards is equal to 5 miles.
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Eliminating by multiplying <br> X+3y=1<br> -5x+4y=-24
gavmur [86]

Answer:

y = -1         x = 4

Step-by-step explanation:

(X+3y=1) 5            Multiply this equation by 5 to cancel out the x

-5x+4y=-24

-5x + 4y= -24

+ 5x + 15y = 5       Add both equations together

19y = -19                Divide both sides by 19

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Plug -1 for y into one of the equations

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The moon is about 240,000 miles from earth what is the distance written as a whole number multiplied by the power of 10
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If a polynomial has four terms, 3x3 5x 6x2 10, which factoring method can be considered? perfect-square trinomial difference of
Tems11 [23]

The factoring method which can be considered for such a cubic tetranomial expression is; factor by grouping sum of cubes.

<h3>What factoring method can be considered for the polynomial?</h3>

It follows from the task content that the order of the Polynomial is 3 and the polynomial is a tetranomial as it contains 4 terms.

On this note, since 3x³ is not a perfect cube, it follows that the best factorisation method for such a polynomial is; factor by grouping sum of cubes.

Read more on factorisation;

brainly.com/question/25829061

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