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Andrei [34K]
3 years ago
7

Find the value of x. (Hint: Use a trigonometric ratio or what you know about the lengths of sides in special right triangles.)

Mathematics
2 answers:
Leona [35]3 years ago
7 0
Tan 45 = perpendicular/base 

1= 9 / x

x= 9 units
lions [1.4K]3 years ago
4 0
Since all triangles have a sum of 180° and this is a right triangle with a 90 and a 45.  The other angle must be 45.  Since the side opposite the 45 is 9 units long, and the x is opposite the same angle it must also have a length of 9 units.

x=9
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We use that for the equation y=mx+b where m=-5. Since we also know one of the points, we can plug that in and find b
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8 0
3 years ago
2. Identify the measure of angle x. (Write your answer in number form only, 1 point
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The older floppy diskettes measured 5 and 1/4 inches on each side .what was the diagonal length of the diskette to the nearest t
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8 0
3 years ago
Bailey has a video streaming service with a flat monthly fee of $18.00 plus an additional cost of $3.50 for each premium movie r
brilliants [131]

Answer:

3.50 x+18.00 ≤ 40.00

Step-by-step explanation:

She pays 18 dollars each moth, therefore that quantity won't change, so you will have to add. Each movie that she watches is an additional 3.50, then we have 3.50 x, x being the quantity of movies that she watches. She can only afford up to 40 dollars, then everything that she spends has to be less or equal to 40.

8 0
3 years ago
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Joyce rented a booth at a carnival at a cost of $95 to sell handmade beaded necklaces. The cost of making and packaging each bea
xz_007 [3.2K]

Answer:

To make a profit of at least $500 she must sell at least 12 necklaces

Step-by-step explanation:

Joyce rented a booth at a carnival at a cost of $95 to sell handmade beaded necklaces. The cost of making and packaging each beaded necklace was $15. If Joyce sells the beaded necklaces at $35 each then we have to find beaded necklaces she sell to make a profit of at least $500.

The costs side of the equation, we have:

Let no. of necklaces that she sell are x

∴ The cost of making and packaging x beaded necklace is $15x

Total Cost = 95+15x

Now, Joyce sells the beaded necklaces at $35 each. Therefore, selling price will be $35x

To make a profit of at least $500 the equation can be written as

95+15x+500\leq35x

595\leq50x

⇒ x\geq11.9=12

Hence,  to make a profit of at least $500 she must sell at least 12 necklaces



7 0
3 years ago
Read 2 more answers
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