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Diano4ka-milaya [45]
3 years ago
12

What are the sine, cosine, and tangent of circle = 3pi/4 radians?

Mathematics
1 answer:
KengaRu [80]3 years ago
7 0

if  you don't have a Unit Circle yet, this is a good time to get one, you can find many online, check maybe in yahoo images, or google images.

Check the picture below.

notice the section encircled in purple.

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Among the cast aluminum parts manufactured on a certain day, 90% were flawless, 8% had only a minor flaw, and 2% had major flaws
Andreyy89

Answer:

10% probability that the part has at least one flaw

Step-by-step explanation:

We have these following probabilities:

90% probability of the part being flawless.

8% probability of the part having a minor flaw

2% probability of the part having major flaws.

What is the probability that the part has at least one flaw

Minor or major flaws. So 8% + 2% = 10%

10% probability that the part has at least one flaw

3 0
3 years ago
Simple Quadratic Equation help please! worth 50 points :) ill be giving brainliest
GuDViN [60]

Answer:

x= -2 or -3

Step-by-step explanation:

Let's solve your equation step-by-step.

x^2+5x+6=0

Step 1: Factor left side of equation.

(x+2)(x+3)=0

Step 2: Set factors equal to 0.

x+2=0 or x+3=0

x=−2 or x=−3

just a rough estimate!

7 0
2 years ago
Read 2 more answers
Tony took a city bus from his dorm to the school library, and then to a gym for a workout
Feliz [49]

Answer:

27 miles.

Step-by-step explanation:

Here I attach the draw of the coordinates.

Tony traveled 3 segments. The first was from (12,6) to (12, 15), where, leting 12 constant, he moved from 6 to 15 in the ordinates axis, which implies 9 units. This is the section 1 in the draw.

Then he moved from point B to C. If you notice, this distance is the hypotenuse on the the triangle DBC. We can find this value using Pitagoras' theorem:

DB^2 + CD^2 = CB^2

With DB=15 and CD=8 (12 minus 4 = 8)

15^2 + 8^2 = 289

So CB^2=289

Applying sqr root:

CB = 17

So, the second section has a measure of 17 units.

Finally, the 3rd section is the hypotenuse of the DAC triangle and we can use Pitagoras to solve it:

CD^2 + AD^2 = CA^2

8^2 + 6^2 = CA^2

64 + 36 = 100

So, CA=10

In the 3r section we traveled 10 units.

So, in total he traveled 10 + 17 + 9 = 36 units

As every unit is 0.75 miles he traveled 36*0.75 miles:

36*0.75 = 27 miles

He traveled in total 27 miles!!

6 0
3 years ago
What is the answer to the equation 5x+10=25
kow [346]

Answer:

x=7

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Lin’s grandmother ordered needles that were 0.3125 inches long to administer her medication, but the pharmacist sent her needles
olganol [36]

Answer: The needles were 0.375 inches longer than the ones needed.

Step-by-step explanation:

To find difference between two values, subtract:

0.6875 - 0.3125 = 0.3750, or 0.375

Hope this helps :)

4 0
3 years ago
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