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ad-work [718]
3 years ago
15

Given right triangle XYZ, what is the value of sin(Y)? (Hint: Special Right)

Mathematics
2 answers:
Citrus2011 [14]3 years ago
8 0

Answer:

sinY = 2

or

x = 2

Step-by-step explanation:

None of the above answer choices are correct. If you solve for sinY:

sin30° = x/4

4sin30° = x

x = 2

Now that we have <em>x</em>, we use our special right triangle rules for 30-60-90 triangles. The angle across the 30° is <em>x</em>, the angle across the 60° is x√3 and our hypotenuse is 2x. Our answer would still be x = 2, so none of the answer choices are correct.

Arada [10]3 years ago
8 0

Answer: 1/2

Step-by-step explanation:

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−9⋅(5j+k) do distrubutibr property
Serjik [45]

Answer:

−9⋅(5j+k) =  -45j -9k.

Step-by-step explanation:

Given  : −9⋅(5j+k)

To find : distributive property.

Solution : −9⋅(5j+k)

By distributive property a( b +c ) = a*b + a*c.

Then  −9⋅(5j+k) =  -9 *5j + (-9 *k)

−9⋅(5j+k) =  -45j -9k.

Therefore, −9⋅(5j+k) =  -45j -9k.

3 0
3 years ago
Ashley had a summer lemonade stand where she sold small cups of lemonade for $1.25 and large cups for $2.50. if ashley sold a to
Levart [38]
The answer is 98 small and 57 large cups.

s - the number of small cups
l - the number of large cups

<span>Ashley sold a total of 155 cups: s + l = 155
</span><span>Ashley earned</span><span>for $265: 1.25 * s + 2.50 * l = 265

</span>s + l = 155
1.25 * s + 2.50 * l = 265
________
s = 155 - l
1.25 * s + 2.50 * l = 265
________
1.25 * (155 - l) + 2.50 * l = 265
193.75 - 1.25 * l + 2.50 * l = 265
193.75 + 1.25 * l = 265
1.25 * l = 265 - 193.75
1.25 * l = 71.25
l = 71.25 / 1.25
l = 57

______
s = 155 - l
l = 57

s = 155 - 57
s = 98

5 0
2 years ago
HELPPPPP!!!!! PLSSSS!!! 10 POINTS!
Serga [27]

Answer:

divide 81 by pi and then by 2

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is the change in y divided by the change in x called?
pickupchik [31]
It is called the slope of the line
8 0
2 years ago
Read 2 more answers
The Rachel’s daily expenses for 10 days are in the table.
Annette [7]
The correct answer is $44.20. 
If we add up all the tips, the total is $442. If we divide this by the number of days (10), then we find the mean.
442 / 10 = 44.2
4 0
3 years ago
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