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fenix001 [56]
3 years ago
10

Write a real world problem that can be modeled by the equation 1/3x +10 = 3/5x

Mathematics
1 answer:
kozerog [31]3 years ago
5 0
Idk how to put it in words for you to understand
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If ce and fh are parallel line and mhgd = 118 what is mCDG
Elenna [48]

Answer:

<CDG = 118 degrees

Step-by-step explanation:

Alternate interior angles are congruent.

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3 years ago
RoBoCo Costume Inc plans to launch a major campaign to sell Robby the Robot costumes for Halloween. The price-demand equation fo
Neko [114]

Answer:

x = 20,000

p = $40

If the price increase by $1, the demand will decrease by 1000

Step-by-step explanation:

Given:

x = 160 - p

x = number of Robby costumes demanded in thousands

p = price in dollars.

a. How many costumes can be sold at a price of $140?

x = 160 - p

x = 160 - 140

= 20

x = 20,000

20 thousand costumes can be sold at a price of $140

b. What price should be charged if the demand is 120,000 Robby costumes?

x is in thousand

p is in dollars

x = 160 - p

x + p = 160

120 + p = 160

p = 160-120

= 40

p = $40

c. If the price increases by $1.00, by how much does the demand decrease?

x = 160 - p

= 160 - 141

= 19

x= 19,000

If the price increase by $1, the demand will decrease by 1000

5 0
3 years ago
which of the following are necessary when proving that the opposite angles of a parallelogram are congruent. Check all answers t
olasank [31]
Corresponding parts of corresponding triangles are congruent and angle additional postulate ?
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3 years ago
Which of following equations is equivalent to the slope formula?
LuckyWell [14K]
The first one (y2=m(x2-x1) +y1
3 0
4 years ago
Read 2 more answers
if k is a constant, what is the value of such that the polynomial 2x3+x2+kx+18 is divisible to x+3. Show your complete work
Harman [31]

Remark

What value of k will make the entire polynomial = 0 when k is meant to be a factor? In brief, solve the polynomial when f(-3) is substituted into the right hand side.

f(x) = 2x3+x2+kx+18

f(-3) = 2x3+x2+kx+18

f(-3) = 2(-3)^3 + (-3)^2 - 3k + 18 = 0

-54 + 9 - 3k + 18 = 0

-54 + 9 + 18 - 3k = 0

-27 - 3k = 0

- 3k = 27

k = 27/ - 3 = - 9

Answer

k = -9

Check

2x^3 + x^2 - 9x + 18 = 0

2(-3)^3 + (-3^2) - 9(-3) + 18 = 0

-54 + 9 + 27 + 18 = 0   Just as it should be.

8 0
3 years ago
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