4 years ago

If josie missed 20 questions how many didi she get right

Mathematics

2 answers:

hodyreva [135]4 years ago

8 0

The number of her correct answers is

(the total number of questions on the test) minus (20) .

prisoha [69]4 years ago

4 0

Hey it's okay I feel you i have the same Question but no one will answer

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Marysya12 [62]

Answer: x = 7

Step-by-step explanation:

4(2x-3) = 6x+2 <--distribute the 4

8x - 12 = 6x + 2 <---add 12 to both sides

8x = 6x + 14 <--- subrtract 6x from both sides

2x = 14 <--- divide by two

x = 7

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3 years ago

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bekas [8.4K]

Since TSQ and QSR are supplementary, they give 180 when summed. TSQ is 150, so QSR must be 30.

Therefore, you have

$\tan(30)=\dfrac{\sin(30)}{\cos(30)}=\dfrac{\frac{1}{2}}{\frac{\sqrt{3}}{2}} = \dfrac{1}{2}\cdot\dfrac{2}{\sqrt{3}}=\dfrac{1}{\sqrt{3}}=\dfrac{\sqrt{3}}{3}$

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daser333 [38]

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8(11 - x) = 152<br><br> Solve for x

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