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fiasKO [112]
3 years ago
14

William gave 4 football cards to each of the 6 friends.Suppose he had 54 cards left. Write and solve an equation to find how man

y cards each friend a initially had.
Mathematics
2 answers:
slega [8]3 years ago
5 0
I dont know this one!
FrozenT [24]3 years ago
4 0
T=total

T = 6(4) + 54
William had 78 at the start

Reply if you need more help!
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Musya8 [376]

Answer:

\bold{\sin x = \frac{b}{c}}\bold{\\\cos x = \frac{a}{c}}\bold{\\\tan x = \frac{b}{a}}

Step-by-step explanation:

Given that

A right triangle has side lengths a, b, and c

Because you did not attached photo of the right triangle so I will assume that:

  • Side a is the adjacent (A)
  • Side b is the opposite (O)
  • Side c is the hypotenuse (H)

(Please have a look at the attached photo)

To solve for the trigonometric functions of x, we need to recall the ratios they represent as shown below.

\sin x = \frac{O}{H}\\\cos x = \frac{A}{H}\\\tan x = \frac{O}{A}

EX: the sine of x is equal to the side opposite of angle x over the hypotenuse. Hence, we have the expressions of the trigonometric functions as shown below:

\bold{\sin x = \frac{b}{c}}\bold{\\\cos x = \frac{a}{c}}\bold{\\\tan x = \frac{b}{a}}

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4 0
3 years ago
What is the sales tax for an item that costs $1400 and has a sales tax rate of 75% ?
dexar [7]
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1400*0.75

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6 0
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Furkat [3]
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<span>(times 1/2 by 1/2 you get 1/4 subtract it)</span>
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Ne4ueva [31]

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