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2 years ago

11

Mathematics

1 answer:

matrenka [14]2 years ago

4 0

Answer:

45 dollar's ezzzzzzzzzzzzz

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What is the quotient of 11/12 divided by 5/7

shusha [124]

The answer is D 1 and 17/60

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3 years ago

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Simplify. (0.4n)(16n) 6.4n 6.4n2 16.4n2 16.4n

yuradex [85]

(0.4n)(16n) = (0.4)(16)(n)(n) = 6.4n²

Answer: 6.4n²

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2 years ago

If 0°<0<90° and sin0=12/13, find cos0 using trigonometric identities.

Aleks04 [339]

here's the solution,

we know :

$\sin( \theta) = \dfrac{perpendicular}{hypotenuse}$

So,

$\dfrac{p}{h} = \dfrac{12}{13}$

so.. let the perpendicular be 12x and hypotenuse be 13x

now,

by applying pythagoras theorem,

$b {}^{2} = h {}^{2} - p {}^{2}$

where,

b = base
h = hypotenuse
p = perpendicular

So,

$b {}^{2} = ({13x})^{2} - ({12x})^{2}$
$b {}^{2} = 169x {}^{2} - 144x {}^{2}$
${b}^{2} = 25x {}^{2}$
$b = 5x$

so,

$\cos( \theta) = \dfrac{b}{h}$

$\cos( \theta) = \dfrac{5x}{13x}$

$\cos( \theta) = \dfrac{5}{13}$

hope it helps !!

3 0

2 years ago

This is hard i need help

lozanna [386]

Answer:

X=105

Step-by-step explanation:

Add angles

55+50 = 105

subtract from 180

180-105 = 75

it’s consecutive angles so subtract from 180

180-75 = 105

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2 years ago

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Which point is on the line y=-2x+ 3?

Dmitrij [34]

Answer: (3, -3)

Step-by-step explanation:

You substitute each point into the function and see if it fits:

(-2, -1) ⇒ -2(-2) + 3 = 4 + 3 = 7 ≠ -1

(3, -3) ⇒ -2(3) + 3 = -6 + 3 = -3

(3, 3) ⇒ -2(3) + 3 = -6 + 3 = -3 ≠ 3

(-3, -9) ⇒ -2(-3) + 3 = 6 + 3 = 9 ≠ -9

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2 years ago

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