2 years ago

The perimeter of a rectangle

Mathematics

1 answer:

mina [271]2 years ago

6 0

XZ=XY+YZ

JL=JK+KL

use the trigonometric values table or unit circle to calculate the expression

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Is 3x+15=3(x+5) a infinite solution one solution or no solution

aniked [119]

Answer:

Step-by-step explanation:it is infinite solution because 15 is equal to 15 if it was like 15=13 it is no solution

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2 years ago

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In triangle ABC, a = 4, b = 6, and cos C = − 1/4. What is the length of side c?

shusha [124]

The length of side c would be 8.

Step-by-step explanation:

Given that,

a = 4

b = 6

cosC = -1/4

If we are given two sides and angle, the law of Cosines can be used to find the third side:

$c^{2} = a^{2} + b^{2} - 2ab (cos(c))$

By inserting the values in the formula, we get

$c^{2} = 4^{2} + 6^{2} - 2.4.6 (-\frac{1}{4} )$

$c^{2} = 16 + 36 + 12$

$c^{2} = 64$

$\sqrt{c^{2} } = \sqrt{64}$

c = 8.

Therefore, the length of side c would be 8.

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3 years ago

2 thousands 7 tens dived 10

kvasek [131]

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3 years ago

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WILL GIVE BRAINLIEST AND 15 POINTS Please Help Asap!

Whitepunk [10]

Answer: D

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3 years ago

Combine like terms and simplify the expression: -2+6x+4+4x

serg [7]

-2+6x+4+4x
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