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goblinko [34]
3 years ago
7

What is the value of Tangent (t/2) if Cosine (t) = 4/5 and t is in quadrant IV?

Mathematics
2 answers:
mihalych1998 [28]3 years ago
8 0

Answer:

-1/3

Step-by-step explanation:

Right on edge2020

Nataly [62]3 years ago
7 0

Answer:

-1/3

Step-by-step explanation:

bro just trust me

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Keith has $500 in his savings account at the beginning of the summer. He
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Answer:

12

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Explanation:

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3 years ago
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Find x and y part 4 for these problems​
Dvinal [7]

Answer:

Step-by-step explanation:

3) Sin30 = 11/x

x = 11/Sin30 = 11/0.5

x = 22

Tan 30 = 11/y

y = 11/tan30 = 11/0.5774

y = 19.1

4) Sin30 = 6/x

x = 6/Sin30 = 6/0.5

x = 12

Tan 30 = 6/y

y = 6/tan30 = 6/0.5774

y = 10.39

5) Sin45 = 9√2/y

y = 9√2/Sin45 = 9√2/(√2/2) =

9√2 × 2/√2 = 18

x = 18

Tan 45 = 9√2/x

x = 9√2/Tan 45 = 9√2/1

x = 9√2

6)

Sin60 = 9/x

x = 9/Sin60 = 9/0.866

x = 10.39

Tan 60 = 9/y/2 = 18/y

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y = 18/1.7321

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6 0
3 years ago
What is 563 divided by 0.4
Elenna [48]
563/.4 is equal to 1,407.5
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3 years ago
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A clothing store has one floor devoted to sweaters. Ninety percent of the sweaters are wool. If the probability that a sweater i
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27%

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4 0
3 years ago
A projectile is fired straight up from ground level with an initial velocity of 112 ft/s. Its height, h, above the ground after
PtichkaEL [24]

Answer:

Step-by-step explanation:

We can do this the easy way and just set up an inequality and let the factoring do the work for us. The inequality will look like this:

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Between 3 and 4 seconds is where the projectile reaches a height higher than 192 feet. With a little more work and some calculus you can find the max height to be 196 feet.

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3 years ago
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