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astraxan [27]
3 years ago
9

URGENT PLEASE HELP SERIOUS ANSWERS ONLY verify 2 csc (2x)=1+ tan^2 x / tan x

Mathematics
1 answer:
solmaris [256]3 years ago
7 0

Answer:

Use the Pythagorean identity

tan2x+1=sec2x

to start the simplification on the left side.

Step-by-step explanation:

・ᗜ・

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Liz earns a salary of $2,200 per month, plus a commission of 3% of her sales. She wants to earn at least $2,800 this month. Ente
vagabundo [1.1K]

Answer:

The amount of sales in order to meet her goal must be greater than or equal to $20,000

Step-by-step explanation:

Let

x----> represent the amount of sales Liz will need

we know that

The amount of sales for the month multiplied by the commission rate as a decimal plus the fixed amount must be greater than or equal to $2,800 each month

so

The inequality that represent this situation is

0.03x+2,200\geq 2,800

solve for x

subtract 2,200 both sides

0.03x \geq 2,800-2,200

0.03x \geq 600

divide by 0.03 both sides

x \geq \$20,000

The amount of sales in order to meet her goal must be greater than or equal to $20,000

8 0
3 years ago
PLEASE HELP! OFFERING ALL OF MY POINTS!!! I NEED ALL OF THE ANGLES AND I GET TO GO TO A CHARTER SCHOOL!!! I CANT FIGURE THIS OUT
Diano4ka-milaya [45]

Answer:

k is an acute angle

L is a right angle

J is a acute angle

Step-by-step explanation:

5 0
2 years ago
A map scale shows a scale of 1 inch = 50 miles. How many miles are represented by 4.5 inches on the map?
a_sh-v [17]

Answer:

Step-by-step explanation:

take 50*4.5 and you'll get your answer

7 0
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Write the standard equation of the circle shown.
zysi [14]

Answer:

b

Step-by-step explanation:

The equation of a circle centred at the origin is

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The circle shown is centred at the origin and has a radius of 5, thus

x² + y² = 5² ⇒ x² + y² = 25 → b

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3 years ago
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2 years ago
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