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3 years ago

13

lydia wants to buy as many $3 pop sockets as she can for her friends if she has $16 which linear inequality would be used for ho

w many she can buy

1 answer:

charle [14.2K]3 years ago

6 0

Answer:

she can buy 5

Step-by-step explanation:

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Can you please answer this question

tamaranim1 [39]

$3tan^{2} \theta +7sec\theta=3$
First I converted the equation terms into sine and cosine.
$tan^{2}\theta = \frac{sin^{2}\theta}{cos^{2}\theta}$ and $sec\theta= \frac{1}{cos\theta}$
Substitution:
$\frac{3sin^2\theta}{cos^2\theta} + \frac{7}{cos\theta} =3$
Common Denominator Created:
$\frac{3sin^2\theta}{cos^2\theta} + \frac{7cos\theta}{cos^2\theta} =3$
Multiply each term by the LCD:
$3sin^2\theta+7cos\theta=3cos^2\theta$
Substitution: Recall ⇒ $sin^2\theta =1-cos^2\theta$
$3(1-cos^2\theta)+7cos\theta=3cos^2\theta$
Distribute and collect all terms on one side:
$6cos^2\theta-7cos\theta-3=0$
Factor and set each factor equal to 0:
$(2cos\theta-3)(3cos\theta+1)=0$
$2cos\theta-3=0$ ⇒ $theta=cos^{-1} \frac{3}{2}$
$3cos\theta+1=0$ ⇒ $theta=cos^{-1} \frac{-1}{3}$
The 2nd factor provides only possible answer 109.5 degrees

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3 years ago

Abby needs 8.75 bags of carrots two times a month to feed the horses. How many bags will she need to feed the horses for 7 month

8090 [49]

Answer:

122.5

Step-by-step explanation:

take 8.75 multiply it by 2 then multiply it by 7 to get your answer 122.5

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3 years ago

An angle with the measure of 185 is called

swat32

It is an obtuse angle!

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4 years ago

What is the answer to 2x10?

Murrr4er [49]

Answer:

20

Step-by-step explanation:

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3 years ago

Read 2 more answers

Plz help asap !!! The high school jazz band is selling homemade leather bracelets at a local craft fair to raise money for a tri

coldgirl [10]

Answer:

b. y=2x-200

c. there will be no profit because 2 times 100 = 200, meaning they only earned back the money they already spent.

d. (domain or y-values) minimum: -200 maximum: 320

(range or x-values) maximum: 260

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3 years ago