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blagie [28]
4 years ago
11

3k(k+10)=0 factor show steps please

Mathematics
1 answer:
saul85 [17]4 years ago
7 0

Answer:

Simplifying

3k(k + 10) = 0

Reorder the terms:

3k(10 + k) = 0

(10 * 3k + k * 3k) = 0

(30k + 3k2) = 0

Solving

30k + 3k2 = 0

Solving for variable 'k'.

Factor out the Greatest Common Factor (GCF), '3k'.

3k(10 + k) = 0

Ignore the factor 3.

Subproblem 1

Set the factor 'k' equal to zero and attempt to solve:

Simplifying

k = 0

Solving

k = 0

Move all terms containing k to the left, all other terms to the right.

Simplifying

k = 0

Subproblem 2

Set the factor '(10 + k)' equal to zero and attempt to solve:

Simplifying

10 + k = 0

Solving

10 + k = 0

Move all terms containing k to the left, all other terms to the right.

Add '-10' to each side of the equation.

10 + -10 + k = 0 + -10

Combine like terms: 10 + -10 = 0

0 + k = 0 + -10

k = 0 + -10

Combine like terms: 0 + -10 = -10

k = -10

Simplifying

k = -10

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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
How can Marco find how many dekagrams are in 77 centigrams?
Shkiper50 [21]
Answer:
77 centigrams = .077 decagrams

Explanation:
1 centigram = .001 decagram
7 0
3 years ago
The area of the parallelogram is 96 square miles. Find its base and height.
MakcuM [25]

You can't. There are an infinite number of different parallelograms,
with different dimensions, that all have area of 96 square miles.

Knowing the area doesn't tell you the dimensions.

Here are a few parallelograms with areas of 96 square miles:

-- square, every side  4√6  miles long

-- rectangle, 12 miles long, 8 miles wide

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There are an infinite number of others.


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3 years ago
Evaluate the expression when m= -6.<br> m+6m + 5
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Answer:

the answer is -37.......

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John was born in 1951 and has been contributing to his own retirement plan as well as
Tju [1.3M]

Answer:

\boxed{\text{b. \$1845 a month}}

Step-by-step explanation:

   Amount if retired at 66 = $2460/mo

Less 25 % = 0.25 × 2460 =   <u>  -615 </u>

   Amount if retired at 62 = $1845/mo

John would receive \boxed{\text{\$1845/mo}} if he retired at 62.

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3 years ago
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