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abruzzese [7]
4 years ago
14

8x-20 - 3x-1 finding c

Mathematics
1 answer:
fomenos4 years ago
3 0
What’s c? Not valid question
You might be interested in
I need help for this, thanks
gulaghasi [49]

(a) Yes all six trig functions exist for this point in quadrant III. The only time you'll run into problems is when either x = 0 or y = 0, due to division by zero errors. For instance, if x = 0, then tan(t) = sin(t)/cos(t) will have cos(t) = 0, as x = cos(t). you cannot have zero in the denominator. Since neither coordinate is zero, we don't have such problems.

---------------------------------------------------------------------------------------

(b) The following functions are positive in quadrant III:

tangent, cotangent

The following functions are negative in quadrant III

cosine, sine, secant, cosecant

A short explanation is that x = cos(t) and y = sin(t). The x and y coordinates are negative in quadrant III, so both sine and cosine are negative. Their reciprocal functions secant and cosecant are negative here as well. Combining sine and cosine to get tan = sin/cos, we see that the negatives cancel which is why tangent is positive here. Cotangent is also positive for similar reasons.

5 0
3 years ago
Which is greater 2/8 or 5/8
Radda [10]
2/8 is greater because 5/8 is lesss
7 0
3 years ago
Read 2 more answers
4. You work in the upholstery department of a furniture factory.
Wewaii [24]

Answer:

a. $1360

b. $8.50 per hour

Step-by-step explanation:

a.

5 couches upholstered, each 105 equals 5 * 105 = 525

6 loveseats upholstered, each 85 equals 6 * 85 = 510

5 chairs upholstered, each 65 equals 5 * 65 = 325

Hence, total pay = 525 + 510 + 325 = $1360

b.

To find hourly rate, we take total amount and divide it by number of hours.

1360/160 = $8.5 per hour

Hence, hourly rate is $8.50 per hour

4 0
4 years ago
The height of a triangle is 8 m less than its base. The area of the triangle is 42 m². The situation can be represented by the e
solmaris [256]

Answer:

14

Step-by-step explanation:

A = 1/2 BH

B = 5H

A = 490

490 = 5/2 * H^2

H = 14

3 0
3 years ago
Factor out the gcf<br><br> -240c^2+ 30c^5+ 18c^4
exis [7]

Answer:

6c^2(-40 + 5c^3 + 3c^2)

Step-by-step explanation:

These three terms have the common factor c^2.  Thus:

-240c^2+ 30c^5+ 18c^4 = c^2(-240+ 30c^3+ 18c^2).

Recognizing that 6 is common to all three terms inside the parentheses, we get:

6c^2(-40 + 5c^3 + 3c^2)  This is as far as factoring of this expression can be taken.

8 0
3 years ago
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