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zalisa [80]
3 years ago
13

What would this be how would I do it? Please help HELP HELP ASAP HELP

Mathematics
1 answer:
Svetllana [295]3 years ago
6 0

For the given triangle, x = 8.6 cm.

Step-by-step explanation:

Step 1:

In the triangle, the given angle is 35°, the hypotenuse side's length is 15 cm. Assume the opposite side's length is x cm. To determine the opposite side's length, we determine the sin of the angle. To calculate the sin of an angle, we divide the opposite side's length by the hypotenuse's length.

sin\theta = \frac{oppositeside}{hypotenuse} .

Step 2:

The opposite side's length = x cm.

The hypotenuse side's length = 15 cm.

sin\theta = \frac{oppositeside}{hypotenuse}, sin35=0.5735, sin 35 = \frac{x}{15} ,

0.5299=\frac{x}{15}, x = 0.5735(15) =  8.6025

So x of the given triangle measures 8.6025 cm, rounding this off, we get 8.6 cm.

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Step-by-step explanation:

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4 0
3 years ago
Can I have halp with all and an explanation because I am terrible at properties.
Salsk061 [2.6K]
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4 0
3 years ago
2cos2+cos2(2)−2cos2cos2=1​
vekshin1
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8 0
3 years ago
Membership to a music club costs $165. Members
dimulka [17.4K]

Answer:

11 music lessons.

Step-by-step explanation:

We know that membership costs $165 and members pay $25 per music lesson.

So, we can write the following expression:

165+25m

The 165 represents the one-time membership fee and the 25m represents the cost for m music lessons.

We know that non-members pay no membership fee but their cost per lesson is $40. So:

40m

Represents the cost for non-members for m music lessons.

We want to find how many music lessons would have to be taken for the cost to be the same for both members and non-members. So, we can set the expressions equal to each other:

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And solve for m. Let's subtract 25m from both sides:

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Now, divide both sides by 15:

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So, at the 11th music lesson, members and non-members will pay the same.

Further Notes:

This means that if a person would only like to take 10 or less lessons, the non-membership is best because there is no initial fee.

However, if a person would like to take 12 or more lessons, than the membership is best because the membership has a lower cost per lesson than the non-membership.

And we're done!

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3 years ago
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Elena L [17]
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Divide by 4 on both sides.

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3 0
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