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Sonbull [250]
3 years ago
10

A B C or D? With correct workings

Mathematics
1 answer:
goldenfox [79]3 years ago
3 0

Answer:

A  the first choice

Step-by-step explanation:

Sin theta = opp/ hypotenuse

sin A = 12/16

12 must be opposite angle A and 16 must be the hypotenuse

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The following steps are used to rewrite the polynomial expression (x+2y)(x-5y)
neonofarm [45]
(x+2y)(x-5y)
do foil method:
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so d is correct.
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2 years ago
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Big Mack buys meat for the family reunion cookout. He needs to buy 11 packagesof meat. A package of hotdogs costs $2.59, and a p
IgorC [24]

Hello!

Let's write some important information contained in the exercise:

• hotdogs: $2.59 (,x,)

,

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He needs 11 packages. Let's write it:

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He spent a total of $39.29. We can write it as:

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Now, let's solve these two equations as a linear system:

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Now, we will replace where's x by 11-y in equation B:

\begin{gathered} 2.59x+5.29y=39.29 \\ 2.59(11-y)+5.29y=39.29 \\ 28.49-2.59y+5.29y=39.29 \\ -2.59y+5.29y=39.29-28.49 \\ 2.7y=10.8 \\ y=\frac{10.8}{2.7} \\  \\ y=4 \end{gathered}

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5 0
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Step-by-step explanation:

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Answer:

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3. 10

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7. 14

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Step-by-step explanation:


8 0
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Goryan [66]

Answer:

Step-by-step explanation:

BDC=95

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