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4 years ago

Do the following lengths form a right triangle? 8,6,9 (PLEASE EXPLAIN)

1 answer:

8 0

Use the pythagorean theorem to find your answer. Note that the biggest number always has to be c so your equation will look like this:
6^2 + 8^2 = 9^2
Now you just have to see if it is equal by solving.
36 + 64 = 100
9^2 = 81
100 does not = 81, so this does not form a right triangle.

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Which of the coordinate points below will fall on a line where the constant of proportionality is 1/4? Select all that apply. A)

kompoz [17]

Answer:

A) (4,1) C) (12,3) D) (20,5)

Step-by-step explanation:

Required

Which has a constant of proportionality of 1/4

To solve this, we make use of:

$y = kx$

Where k is the constant of proportionality.

Solve for x

$k = y/x$

<u>Testing the given options</u>

A) (4,1)

$k = y/x$

$k =1/4$

B) (8,12)

$k = y/x$

$k =12/8$

$k =3/2$

C) (12,3)

$k = y/x$

$k = 3/12$

$k = 1/4$

D) (20,5)

$k = y/x$

$k = 5/20$

$k = 1/4$

E) (12,6)

$k = y/x$

$k =6/12$

$k =1/2$

4 0

3 years ago

When 1.5 and a number, "n", are multiplied together, the result is 13.65. a.) Translate this into an equation. b.) Find the valu

alexandr402 [8]

The answer is 2. a)1.5n = 13.65 b) n = 9.1

5 0

4 years ago

Read 2 more answers

POSSIBLE POINTS 10 Jessica writes the expression b + 5 . . Which expression is equivalent to the one Jessica writes?

maw [93]

Answer:

Don't know

Step-by-step explanation:

You did not give us any answer choices like a b c or d

3 0

3 years ago

Given f(x) = 3 and g(x) = -2x x 5<br> Find f(x) · g(x)

Thepotemich [5.8K]

Answer:

- 30

Step-by-step explanation:

g(3) = -2x * 5

= -2(3) * 5

= -6 * 5

= -30

6 0

3 years ago

Read 2 more answers

Solve 2csc^2x-2cscx-1=0 <br> for 0° ≤ x ≤ 360°

umka21 [38]

Answer:

Step-by-step explanation:

2 csc²x-2 csc x-1=0

$\frac{2}{sin^2x} -\frac{2}{sin x} -1=0\\multiply~by~sin^2x\\2-2sin~x-sin^2x=0\\sin^2x+2sinx-2=0\\sin ~x=\frac{-2 \pm\sqrt{2^2-4*1*(-2)} }{2*1} \\=\frac{-2 \pm\sqrt{4+8} }{2} \\=\frac{-2 \pm\sqrt{4*3} }{2} \\=\frac{-2 \pm2\sqrt{3} }{2} \\=-1\pm\sqrt{3} \\|sin~x| \le ~1\\so~sin~x=-1+\sqrt{3} \\sin~x=\sqrt{3} -1\\x=sin^{-1}(\sqrt{3} -1) \approx 47.06^\circ,180-47.06\\or~x=47.06^\circ,132.94^\circ$

6 0

3 years ago