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olganol [36]
3 years ago
6

I need help with the first

Mathematics
1 answer:
Vladimir79 [104]3 years ago
8 0

Answer:

Step-by-step explanation:

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6x-4y=48 get x by itself
sattari [20]

Answer:

x= 8 + 2y/3

Step-by-step explanation:

6x = 48+4y

x = 48/6 + 4y/6

simplify

x= 8 + 2y/3

6 0
3 years ago
Read 2 more answers
1. Use the cosine and sine functions to express the exact coordinates of P in terms of angle θ.
Luden [163]

Answer:

For a point defined bt a radius R, and an angle θ measured from the positive x-axis (like the one in the image)

The transformation to rectangular coordinates is written as:

x = R*cos(θ)

y = R*sin(θ)

Here we are in the unit circle, so we have a radius equal to 1, so R = 1.

Then the exact coordinates of the point are:

(cos(θ), sin(θ))

2) We want to mark a point Q in the unit circle sch that the tangent has a value of 0.

Remember that:

tan(x) = sin(x)/cos(x)

So if sin(x) = 0, then:

tan(x) = sin(x)/cos(x) = 0/cos(x) = 0

So tan(x) is 0 in the points such that the sine function is zero.

These values are:

sin(0°) = 0

sin(180°) = 0

Then the two possible points where the tangent is zero are the ones drawn in the image below.

7 0
3 years ago
Below is a two-column proof incorrectly proving that the three angles of ΔPQR add up to 180°:
Wittaler [7]

THAT THE TRIANGLE ACCORDING TO QUESTION AND I THINK SO OPTION A IS RIGHT 95%

9 0
3 years ago
Divison i need help with that
fiasKO [112]

Answer:

K What's the problem?

Step-by-step explanation:

7 0
3 years ago
What is the greatest decimal in hundredths that can be rounded to 14.5? What is the least​
olga55 [171]

Answer:

  • 14.45 and 14.54

Step-by-step explanation:

<u>Rule for rounding:</u>

  • Round up if number is between 5 and 9
  • Round down if number is between 0 and 4

<u>What numbers in hundredths can be rounded to 14.5?</u>

  • 14.45 to 14.49

and

  • 14.50 to 14.54

<u>From above we see that:</u>

  • The greatest decimal is 14.54
  • The least decimal is 14.45
7 0
3 years ago
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