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ololo11 [35]
3 years ago
10

26 is 65% of what number?

Mathematics
2 answers:
Bezzdna [24]3 years ago
6 0

Answer:

40

Step-by-step explanation:

26 is 65% of 40

Over [174]3 years ago
5 0
40 if u think about it 20 is 50%
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What is the answer for <br> 4[8-(8)]+1
ivann1987 [24]

Answer:1

Step-by-step explanation:

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3 years ago
Given that tan^2 theta=3/8,what is the value of sec theta?
algol [13]

Answer:

The value of SecФ is  \pm \sqrt{\frac{11}{8}} .

Step-by-step explanation:

Given as for trigonometric function :

tan²Ф = \frac{3}{8}

Or, tanФ = \sqrt{\frac{3}{8} }

∵ tanФ = \frac{Perpendicular}{Base}

So,  \frac{Perpendicular}{Base} =  \sqrt{\frac{3}{8} }

So, Hypotenuse² = perpendicular² + base²

or, Hypotenuse² = ( \sqrt{3} )² + ( \sqrt{8} )²

Or,  Hypotenuse² = 3 + 8 = 11

Or,  Hypotenuse = ( \sqrt{11} )

Now SecФ = \frac{Hypotenuse}{Base}

or, SecФ = \frac{\sqrt{11}}{\sqrt{8}} = \sqrt{\frac{11}{8} }

<u>Second Method</u>

Sec²Ф - tan²Ф = 1

Or, Sec²Ф = 1 +  tan²Ф

or, Sec²Ф = 1 +  \frac{3}{8}

Or, Sec²Ф = \frac{11}{8}

Or,  SecФ = \pm \sqrt{\frac{11}{8}}

Hence The value of SecФ is  \pm \sqrt{\frac{11}{8}} . Answer

7 0
3 years ago
Read 2 more answers
Please help.
m_a_m_a [10]

Answer:

26.2

Step-by-step explanation:

PQ/QR = 8/16 = 0.5

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7 0
3 years ago
Paul travel to the lake and back. The trip took 3 hours and the trip back took 4 hours He averaged 10 mph faster on the trip the
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Answer:

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Step-by-step explanation:

We assume "outbound" refers to the trip <em>to the lake</em>. The ratio of speeds is inversely proportional to the ratio of times, so ...

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These differ by one ratio unit, so that one ratio unit corresponds to the speed difference of 10 mph. Then the 4 ratio units of outbound speed will correspond to ...

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Paul's average speed on the outbound trip was 40 mph.

___

The distance to the lake was 120 mi.

4 0
3 years ago
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12. Ms. Lacy wants to work out. Drop It Like It's Hot gym charges a monthly rate of $25 and
arsen [322]

Answer:

more than 12 classes

Step-by-step explanation:

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