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4 years ago

If m ║ n and m ∠5 = 65°, what is m ∠1?

Mathematics

1 answer:

spayn [35]4 years ago

8 0

Answer:

Step-by-step explanation:

Since <5 and <1 are corresponding angles and m is parallel to n

<5 = <1

<5 =65

so <1 = 65

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My 3 digit number has a 4 in tha hundreds place. It has a greater digit in the tens place than in the ones place. The sum of the

Ahat [919]

The answer to this number is 703

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3 years ago

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zimovet [89]

Answer:

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3 years ago

In 7th grade there are 58 students with red-hair and 609 students with another color hair. The numbers of red-haired students in

mr_godi [17]

In 7th grade:

red-hair students =58

another color hair students =609

In 8th grade:

red-hair students =60

Let's assume

another color hair students =x

now, we are given

The numbers of red-haired students in 8th grade are proportional to the numbers in 7th

so,

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$x=609*\frac{60}{58}$

we get

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3 years ago

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harkovskaia [24]

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3 years ago

Read 2 more answers

If sin square theta = 0.75, then cos =

sergeinik [125]

Answer:

$\cos\theta=\pm0.5$

Step-by-step explanation:

Given:

$\sin^2\theta=0.75$

To find $\cos\theta$

Using trigonometric relations for sums and differences of squares of the ratios.

We know:

$\sin^2\theta+\cos^2\theta =1$

Plugging in $\sin^2\theta=0.75$ in the above relation.

$0.75+\cos^2\theta =1$

Subtracting both sides by 0.75.

$0.75+\cos^2\theta-0.75 =1-0.75$

$\cos^2\theta =0.25$

Taking square root both sides.

$\sqrt{\cos^2\theta} =\sqrt{0.25}$

∴ $\cos\theta=\pm0.5$ (Answer)

6 0

3 years ago