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aev [14]
3 years ago
11

Factor the trinomial x^2-13x+40

Mathematics
1 answer:
suter [353]3 years ago
6 0
X^2-13x+40
X^2-8x-5x+40
X(x-8)-5(x-8)


(X-5)(x-8)

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Find the length of side AB. Give your answer to 1 decimal place.
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Answer:

Length of side AB = 5.6 cm

Step-by-step explanation:

From the figure attached.

In right triangle ABC,

m∠ABC = 62°

m(BC) = 12 cm

By applying Cosine rule in this triangle,

Cos62° = \frac{\text{Adjacent side}}{\text{Hypotenuse}}

Cos62°= \frac{AB}{BC}

0.46947 = \frac{AB}{12}

AB = 12 × 0.46947

AB = 5.63

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Therefore, length of side AB = 5.6 cm

7 0
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Simplify radical sign 0.08^12
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Answer:

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Anna007 [38]

Answer:416

Step-by-step explanation: Based on the given problem above, it requires a trigonometric solution. So here it goes:

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and the decent distance is:300 * Sec [ArcTan [10/300]] = 10√901 km

So add the given results above with 500 km and this will be the additional distance that plane moves through the air.

The answer would be in the unit meters.

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Hope this is the answer that you are looking for.

7 0
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Andre brought a new bag of cat food. The next day, he opened it to feed his cat. The graph shows how many ounces were left in th
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Find the measure of one interior angle of a regular 14-gon.
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\bf \textit{sum of all interior angles in a polygon}\\\\ n\theta =180(n-2)~~ \begin{cases} n=\stackrel{polygon}{sides}\\ \theta = angle~in\\ \qquad degrees\\[-0.5em] \hrulefill\\ n = 14\\ \end{cases}\implies 14\theta =180(14-2) \\\\\\ 14\theta =180(12)\implies 14\theta =2160\implies \theta =\cfrac{2160}{14}\implies \theta \approx 154.3^o

8 0
3 years ago
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