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ololo11 [35]
3 years ago
6

The cost for 25 square yards of carpet is $650 including delivery and installation. The cost for 40 square yards of installed ca

rpet is $950. Write an equation in slope-intercept form (y = mx + b) for the cost of the installed carpet.
Mathematics
1 answer:
RUDIKE [14]3 years ago
4 0
I need the answers lol
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A lot with a depth of 80 feet and an area of 4,800 square feet was sold for $350 per front foot. What was the total sales price?
stepladder [879]

Answer:

total sales price =  $21,000

Step-by-step explanation:

given data

depth = 80 feet

area = 4,800 square feet

sold = $350 per front foot

to find out

total sales price

solution

first we get here front feet that is the front length of a parcel

front feet  = \frac{area}{depth}   ...................1

front feet  = \frac{4800}{80}

front feet  = 60

so total sales price will be

total sales price = 60 × $350 per front foot

total sales price =  $21,000

4 0
3 years ago
HELPPP ILL GIVE 70 POINTS!!!!!
MrRissso [65]

Answer:

It will take 4.71 hours to travel a distance of 221.43 miles

Step-by-step explanation:

Given

Distance covered in time 7.99 hours is  375.32 miles.

Now we know that speed is equal to distance per unit time.

Therefore,

speed = \frac{distance}{time} \\= \frac{375.32}{7.99}\\=46.97\ mi/h

Which is the constant speed, hence now time taken for a distance of 221.43 miles will be

time = \frac{distance}{speed} \\=\frac{221.43}{46.97} \\=4.71\ h

Therefore, the time taken to cover 221.43 miles is 4.71 hours.

6 0
3 years ago
Want points answer me question
WITCHER [35]

Answer:

$110

Step-by-step explanation:

1. The total cost:

<em>(3 * 65) + (2 * 70) + (1 * 55)</em> -> cost of dresses + jeans + earrings

Total: 195 + 140 + 55 = <em>390</em>.

2. Money leftover:

<em>500 - 390</em> = $110.

4 0
3 years ago
A teacher gives a test in which the average of the test scores is 68 and the standard deviation is 14. Realizing that the test w
Alika [10]

Answer:

Mean = 78 ;

Standard deviation = 14

Step-by-step explanation:

Given that:

Mean score = 68

Standard deviation = 14

When a constant value is added to the individual value of a dataset, the new mean value will become the sum of the initial mean value and the constant term added to the values.

Constant Added score = 10

The mean of scaled test score will be:

Mean score + constant added score

68 + 10 = 78

The standard deviation remains unchanged ; Hence, standard deviation = 14

6 0
3 years ago
Completely factor 9x-3xy
OleMash [197]

9x-3xy

Factor out 3x from both terms.

3x(3-y)

answer: 3x(3-y)

4 0
3 years ago
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