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DiKsa [7]
3 years ago
10

−22 = −0.4k What does k equal to?

Mathematics
1 answer:
spin [16.1K]3 years ago
6 0
Divide -22 by -0.4 and you’ll have your answer for k
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What is the sum of the finite arthemetic series (-10)+0+10+20....+130
Ganezh [65]
That would be 20,30,40,50,60,70,80,90,100,110,120,130.    200,150,300,250     
650 + 250 = so the answer would be 900.
4 0
4 years ago
A company that manufactures guitars has a fixed cost of $100,000. It costs $100 to produce each guitar and the selling price is
miv72 [106K]

a. Write the cost function:: C(x) = 100x + 100,000 where x is number of guitars

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

b. Write the revenue function:: R(x) = 300x where x is number of guitars

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

c. Find the profit function.

Profit = Revenue - Cost

P(x) = R(x) - C(x)

P(x) = [ R(x) ] - [ C(x) ]

P(x) = [ 300x ] - [ 100x+100,000 ]

P(x) = 300x - 100x-100,000

P(x) = 200x - 100,000

The break even point is when the profit is 0 dollars. You don't lose any money. And you don't gain any money.

Solve 125x - 100,000 = 0

125x = 100,000

x = 800 (# of guitars made and sold)

7 0
3 years ago
Which scatter plot has a correlation closest to r = -1
kow [346]

Answer: Pick any

-.38

.23

-.50

.84

-1.0

.11

-.06

.62

-.75

8 0
3 years ago
1+sin(a)/1+csc(a)=tan(a)/sec(a)
strojnjashka [21]

Answer:

Below.

Step-by-step explanation:

( 1 + sin a) / (1 + csc a)

= (1 + sin a ) /( 1 + 1/ sin a)

= ( 1 + sin a) /  (sin  a + 1)/  (sin a)

=  (sin a(1 + sin a)) / (1 + sin a)

= sin a.

tan a / sec a

= (sin a / cos a) / (1  /cos a)

= (sin a cos a) / cos a

= sin a

The two expressions are both equal to sin a:

Therefore

(1 + sin a) /( 1 + csc a)  =  tan a / sec a.

7 0
4 years ago
Question 27 Mike is remodeling his kitchen. The countertop he wants costs $2.80 per square foot. How much will Mike have to spen
kolezko [41]

Mike has to spend $67.20 on his remodeling project.

Explanation:

6 ft = (4 + x) ft

4+x = 6

   x = 6-4 = 2

Area 1:

S1 = 2 × (4+2)

    = 2 × 6

    = 12 ft²

Area 2:

S2 = 2 × (4+2)

     = 2 × 6

     = 12 ft²

The area of his kitchen is S1 + S2 = 12 + 12 = 24ft²

               = 24 × 2.80

               = $67.20

The image is given below for the area of the house.

<h3>What is an example of a word problem?</h3>

Word problems normally include mathematical modeling questions, in which data and facts approximately a sure machine is given and a scholar is required to increase a model. as an instance: Jane had $five.00, then spent $2.00. How tons does she have now?

Learn more about Word Problems here brainly.com/question/13818690

#SPJ2

5 0
2 years ago
Read 2 more answers
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