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Harlamova29_29 [7]

2 years ago

12

Pedro collects baseball and basketball cards. The ratio of the baseball cards to basketball cards In his collection is 3:2. If h

e has 40 cards,how many total cards does he have
A.)16
B.)27
C.)60
D.)100

1 answer:

Anestetic [448]2 years ago

5 0

Answer: The answer is 60. Easy question

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Verifying Trig Functions

anzhelika [568]

Answer:

The answer to your question is below

Step-by-step explanation:

csc α - cot α = $\frac{sin \alpha }{1 + cos \alpha }$

Work with the left part

$\frac{1}{sin\alpha } - \frac{cos \alpha }{sin \alpha}$

Simplify

$\frac{1 - cos\alpha }{sin\alpha }$

Multiply by the reciprocal

$\frac{1 - cos\alpha }{sin \alpha } x \frac{1 + cos\alpha }{1 + cos\alpha }$

Simplify

$\frac{1 - cos^{2}\alpha}{sin\alpha (1 + cos\alpha)}$

Remember that

sin²α = 1 -cos²α

Substitute the previous equation

$\frac{sin^{2}\alpha }{sin\alpha(1 + cos\alpha ) }$

Simplify

$\frac{sin\alpha}{1 + cos \alpha}$

The identity i proved.

5 0

3 years ago

multiply the polynomials. What is the coefficient of the last term? −4m(2m3 −6m2 + m − 5) = −8m4 +24m3 −4m2 ___m

lesya692 [45]

+20m . Hope i helped

6 0

2 years ago

Read 2 more answers

So i don't understand how factoring equations work in algebra 1

telo118 [61]

Answer:

this will help https://www.google.com/search?q=factoring+equations&oq=factoring+equations&aqs=chrome..69i57j0l6j69i61.464j0j7&sourceid=chrome&ie=UTF-8#kpvalbx=_w9Z8XvnVCsq7tgXx3SM51

Step-by-step explanation:

its in the video https://www.google.com/search?q=factoring+equations&oq=factoring+equations&aqs=chrome..69i57j0l6j69i61.464j0j7&sourceid=chrome&ie=UTF-8#kpvalbx=_w9Z8XvnVCsq7tgXx3SM51

7 0

3 years ago

Read 2 more answers

Wesley makes spherical fish tanks with a diameter of 30. A customer requests a smaller tank with half the volume of the tank tha

grandymaker [24]

Answer:

23.8

Step-by-step explanation:

V = 4/3 π r³

V = 4/3 π (15)³

V = 4500 π

V = 4/3 π r³

4500 π / 2 = 4/3 π r³

1687.5 = r³

r ≈ 11.9

d ≈ 23.8

5 0

3 years ago

How many zeros are indicated by the values in the table that represent the graph of a continuous function?

monitta

Answer:

5

Step-by-step explanation:

6 0

2 years ago