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Oxana [17]
3 years ago
15

If sec(x)=13/12 what is cos(x)?

Mathematics
1 answer:
ohaa [14]3 years ago
5 0
Recall that cosine is the reciprocal of secant, so is the same fraction, just upside-down.
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In the figure shown, which pair of angles must be supplementary
lana [24]

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PQT and TQS

Step-by-step explanation:

they must supplement each other to get the 90

4 0
2 years ago
Martina is 3 inches less than twice as tall as her little brother. Write an expression for Martina's height. How tall is Martian
Lyrx [107]

Answer:

Martina is 53 inches tall.

Step-by-step explanation:

In order to write an expression that relates the siblings heights we need to attribute variables to each brother. First we will call Martina's height as "m", then we can call her little brother's height as "b". The problem states that Martina's height is 3 inches less than twice the height of her brother so we have:

m = 2*b - 3

Then the problem gives us the height of her brother that is 28 inches tall, so b = 28. We can now compute Martina's height:

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4 0
3 years ago
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OLEGan [10]
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3 years ago
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krok68 [10]

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7 0
3 years ago
Read 2 more answers
Please help! I will mark as brainliest IF answer is right. <3
Ksju [112]

Answer:

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or

y = 30 \frac{1}{2}  -  \frac{11}{2} x

if accepted:

2y =  - 11x + 61

or

2y = 61 - 11x

8 0
2 years ago
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