Find n.
2/9=14/n
n=_____

Answers

Answer 1

Answer: 2/9 = 14/n
14÷2/9 = 14/n÷14
63 = n

So, n=63

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What is an equivalent expression for 9(3+8x) please hurry
Which of the following expressions is incorrect? A. |-12| = 12 B. |12| = 12 C. -|-12| = -12 D. -|12| = 12

A furniture store owner buys a sofa for $400 and marks it up %90 to sell it. During the stores anniversary sale she sells the sofa for %25 off. How much profit will the store owner make on the sofa during the anniversary sale?

Answers

Answer:

Anniversary sale price= $570

Step-by-step explanation:

Giving the following information:

Purchase cost= $400

Mar-up percentage= 90%

First, we need to calculate the "normal" selling price:

Selling price= 400*1.9= $760

Now, we can determine the anniversary sale price:

Anniversary sale price= 760 - (760*0.25)= $570

Which shows the factored form of x2 – 12x – 45?(x + 3)(x – 15)
(x – 3)(x – 15)
(x + 3)(x + 15)
(x – 3)(x + 15)

Answers

Hi!

(x+a)·(x+b) = x²+xa+xb+ab = x²-12x-45

x² = x²
xa+xb = (a+b)x = -12x ⇒ (a+b) = -12
ab = -45

When (a+b) = -12 and ab = -45?

+3-15 = -12 and (+3)(-15) = -45
-3-15 = -18 and (-3)(-15) = +45
+3+15 = +18 and (+3)(+15) = +45
-3+15 = +12 and (-3+15) = -45

Answer:

(x+3)(x-15)

Devon owns a house cleaning company and has to give price quotes to potential customers. He figures out his price by assuming a $25 base charge and then adding $8 for each bathroom and $4 for each other room. If he uses P to represent the price and B for bathroom and R for other rooms, which of these represents his price quote formula?A P = 25 + 12(BR)
B P = 4R + 8B + 25
C P = 25(4R + 8B)
D P = (4)(8)(R + B) + 25

Answers

The price quote formula for this problem is P = 4R + 8B + 25.

Hence option B is correct.

Use the concept of forming of equation defined as:

A mathematical definition of an equation is a claim that two expressions are equal when they are joined by the equals sign ("=").

Given that,

Devon owns a house cleaning company.

He calculates his price quotes for potential customers using a specific formula.

The formula includes a $25 base charge.

He adds $8 for each bathroom (B).

He adds $4 for each other room (R).

The objective is to determine which formula represents Devon's price quote calculation.

If R represent the number of rooms

Then cost of R room = 4R

If B represents the number of bathrooms

Then cost for B bathroom = 8B

The base charge is 25

Then the total charge is = 4R + 8B + 25

Hence,

The price quote formula for this problem is P = 4R + 8B + 25 which is option B.

To learn more about equation visit:

brainly.com/question/29174899

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the answer is P=25(4R+8B)

Can there be more than one point of intersection between the graphs of two linear equations? Explain

Answers

the only way that 2 lines can intersect more than 1 time is if they are the same line, then they intersect infinitely
if they are differnet lines, then they can only intersect 1 time at max

50% of what number is 46