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o-na [289]
2 years ago
10

Which of the following statements about the points (-4,6) and (4,-6) are true

Mathematics
1 answer:
gtnhenbr [62]2 years ago
3 0

Answer:

c

Step-by-step explanation:

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Name a combination of coins that is 125% of the value of a dollar.
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9 quarters...................
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Find the missing side. Round to the nearest tenth.
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Answer: <em>23.7</em>

Step-by-step explanation:

<em>Let's calculate the acute angle at the base of the triangle:</em>

<em>180° - 90° - 40° = 50°</em>

<em>Find side x:</em>

\dfrac{sin \: 90^{o} }{31} =\dfrac{sin \: 50^{o} }{x}\\\\sin \: 90^{o} \cdot x=sin \: 50^{o} \cdot 31\\\\sin \: 90^{o} =1\\sin \: 50^{o} \approx 0.766\\1 \cdot x =0.766 \cdot 31\\x=23.746\\23.746 \approx 23.7

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2 years ago
The length of one leg of a right triangle is 20.3 centimeters. The length of the hypotenuse is
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<h3>Answer:  Approximately 23.0 cm</h3>

=====================================================

Work Shown:

a = 20.3

b = unknown

c = 30.7

Apply the pythagorean theorem to find b

a^2 + b^2 = c^2

(20.3)^2 + b^2 = (30.7)^2

412.09 + b^2 = 942.49

b^2 = 942.49-412.09

b^2 = 530.4

b = sqrt(530.4)

b = 23.0304146727757  value is approximate

b = 23.0

I rounded to one decimal place because the other values (20.3 and 30.7) were to one decimal place.

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2 years ago
Please help me if you can
MA_775_DIABLO [31]

Answer:

y = .025x +20

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Step-by-step explanation:

We have a point a (0,20) and a point at (2 , 20.05)

We can find the slope from

m = (y2-y1)/(x2-x1)

   = (20.05-20)/(2-0)

   = .05/2

     =.025

One of the points (0,20) is the y intercept  since x=0

We can use the slope intercept form of the equation

y= mx+b

y = .025x +20


The y intercept is the value when x = o, or the starting value.  In this case, it is the temperature in degrees F at a depth of 0 meters.

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3 years ago
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T j bought fire insurance for his pizza shop for 220,000 at an annual rate per $100 of .49 at the end of 10 months TJ cancelled
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Step-by-step explanation:

220000/100=2200*0.49=789

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