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-BARSIC- [3]
3 years ago
12

︎help me please ineed answer asp thankyou​

Mathematics
1 answer:
Arisa [49]3 years ago
5 0

Answer:

Look below

Step-by-step explanation:

I'm going to use B as my example to explain: B (-3,4)

You are going to need to draw a coordinate plane. When drawing the X axis, you want the highest X point to be 6 due to the fact that that is your highest x value. Then you want the lowest X point to be -6. Same will apply with the Y axis.

Next you are going to put a point in the middle of the plane which is called the origin (0,0).

Going from the origin, you want to follow the x axis the get to -3 which will be going left since its negative. Then since the Y axis is vertical, you are going to go up 4 times since the 4 is positive.

Then start from the origin for the next point being C (-5,4), Remember to always start from the origin.

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The rate of change in sales S is inversely proportional to time t(t > 1) measured in weeks. Find S as a function of t if sate
mixer [17]

Answer:

A. S(t) = 50 [3 ln t/ln2 +1]

Step-by-step explanation:

We are told that the rate of change in sales S is inversely proportional to time.

Thus;

dS/dt = k/t

Where k is the constant of proportionality.

So,

dS = (k/t)dt

Integrating both sides gives us;

S = (kIn t) + C

We are given that after 2 and 4 weeks are 200 units and 350 units respectively.

Thus;

S(2);

(k In 2) + C = 200 - - - (eq 1)

(k In 4) + C = 350 - - - -(eq 2)

To find k, let's subtract eq 1 from eq 2 to get;

(k In 4) - (k In 2) = 350 - 200

(k In 4) - (k In 2) = 150

k(In 4 - In 2) = 150

0.6931k = 150

k = 150/0.6931

k = 216.42

Plugging this for k in eq 1 gives;

(216.42 In 2) + C = 200

C = 200 - 150

C = 50

Thus;

S(t) = (216.42In t) + 50

Now 216.42 can also be expressed as;

150/In 2

Thus;

S(t) = ((150/In 2)In t) + 50

Factorizing out gives;

S(t) = 50 [(3 ln t/ln2) + 1]

Option A is the correct answer

6 0
3 years ago
In right triangle ABC, m B Em C. Let sin B = r and cos B = s.
tatyana61 [14]

The expression that represents the value of sin C - cos C is s-r

From the triangle ABC, since sin B = r and cos B = s.=, hence;

  • Opposite side= r
  • Adjacent side = s
  • Hypotenuse = 1

If m<C is the reference angle, then;

Opposite side= s

Adjacent side = r

Hypotenuse = 1

Sin C = s and cos C = r

Hence the expression that represents the value of sin C - cos C is s-r

Learn more on trigonometry here: brainly.com/question/20519838

6 0
2 years ago
Line segment JL is an altitude in triangle JKM. Triangle K J M is shown. Angle K J M is a right angle. An altitude is drawn from
andrew-mc [135]

Answer:

c

Step-by-step explanation:

,

3 0
2 years ago
Read 2 more answers
F(x) = 3x^3 + 3x^2 - 4x - 4
dezoksy [38]

Answer:

x = − 1 ,   2 √ 3 /3 , and − 2 √ 3 /3

Step-by-step explanation:

3x^3+3x^2-4x-4=0

By factoring, I can get simpler equations to get the roots.

x + 1 = 0, or x = -1

√ 3 x + 2 = 0, or − 2 √ 3 /3

√ 3 x - 2 = 0, or 2 √ 3 /3

6 0
3 years ago
Im so confused. :/ Anyone?
ArbitrLikvidat [17]
First one = 9x3=27

Second one 12x9=108

3rd one = 3x4=12
 
Idk what that last one is
7 0
3 years ago
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