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yulyashka [42]
3 years ago
11

Washington Construction built 13 ranch houses for $117,000 each. From the sale of these houses, Washington received $2,100,000.

Mathematics
1 answer:
strojnjashka [21]3 years ago
6 0

Answer:

A.) 579000

B.) 144750

Step-by-step explanation:

13 houses times 117,00 (The price to build each one) eguals 1521000

2100000 minus 1521000 equals 579000 of profit

4 people so you divide the profit by 4 to get 144750

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6 0
3 years ago
√36 + √49<br> Find the perimeter of the rectangle
nasty-shy [4]

Hi

perimeter of rectangle is  : 2 length+2 width .

to progress in math, you must practice.

So , I let you  do the first one which is the esaiest.

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8 0
4 years ago
Solve the system of equations -12x-5y=40 12x-11y=80
Gwar [14]

Answer:

The answer is (-5/24, -7.5).

Step-by-step explanation:

There are two methods to solving a system of equations - substitution or elimination.  In this example, we can use elimination since the coefficients of 'x' are opposite signs.  To complete elmination, we simply add the equations together:

-12x - 5y = 40

<u>+ 12x - 11y = 80</u>

-16y = 120

Use inverse operations to solve for 'y' by dividing both sides by -16 to get       y = -7.5.

Next, plug in the value of 'y' into one of the equations and solve for 'x':

-12x  - (5)(-7.5) = 40 or  -12x + 37.5 = 40, now subtract 37.5 from both sides:  -12x + 37.5 - 37.5 = 40 - 37.5 or -12x = 5/2.  Lastly, divide both sides by -12 to solve for x, x = -5/24.  

4 0
3 years ago
Find k such that f(x) is continuous at x=30
Maru [420]

Answer:

this is correct

Step-by-step explanation:

f continous in x=30 means that it should be the same value for 1.25 x 30 and 1.10 x 30 + k so k =4.5

5 0
3 years ago
olivia chooses the whole number she divides it by 4 then adds 8 she then divides this result by 2. her answer is 3.5. what numbe
GarryVolchara [31]

Answer:

-8

Step-by-step explanation:

just do the promble backwards

3.5 times 2 = 6

6-8=-2

-2 times 4 = -8

or solve for x

x/ 4 + 8 /2=3.5

6 0
3 years ago
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