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2 years ago

14

HeLLPPPP PLLLSs!!!!!

1 answer:

zubka84 [21]2 years ago

7 0

Answer:

(x+1)(3x^3+2x^2-4x+4)

Step-by-step explanation:

I hope this helps!

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Marta earns a weekly salary of 110$ plus a 6.5% commission on sales at a hobby store. How much would she make in a week if she s

spin [16.1K]

Answer:

503,745

Step-by-step explanation:

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2 years ago

In △ABC AL is an angle bisector (L∈ BC ). Point M∈ AB so that LM=AM=BM. Find the angles in △ABC, if AC=2AL.

Alex787 [66]

Since LM = AM, point M must be on the perpendicular bisector of AL. Since AM = BM, BL must be perpendicular to AL. This makes ∆ALC a right triangle with hypotenuse AC twice the length of side AL. Hence ∠LAC = ∠LAB = 60°, and AL is angle bisector, median, and altitude.

ΔABC is isosceles with ∠A = 120°, and ∠B = ∠C = 30°.

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3 years ago

The observation deck is about 20 m above sea level. From the observation deck, the angle of depression of the boat is 6 degrees.

Leno4ka [110]

θ\ 6 degrees
    \
\ so the θ= 180-90-6 =84 degrees so we need to find x
20m   \ tan (84)=x/20
  ____  \ x=20 tan(84)
x x=190.287

7 0

3 years ago

I don’t know how to do this lol this is a test

Artemon [7]

Answer:

D) $x+y=-3$

Step-by-step explanation:

Basically, if you plug in the x and y-coordinates into an equation, both sides should work out to be equal to each other:

Since $-5+2\neq 3$ , we can eliminate choice A

Since $-5-2\neq -3$ , we can eliminate choice B

Since $-5-2\neq 3$ , we can eliminate choice C

Therefore, since $-5+2=-3$ , then D is correct. Also, $3+(-6)=-3$

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2 years ago

Read 2 more answers

Six friends want to play enough games of chess to be sure every one plays everyone else. How many games will they have to play

antiseptic1488 [7]

Answer: 15 games

Step-by-step explanation:

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2 years ago