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sertanlavr [38]
3 years ago
14

Simplify 7(x - 1) - 2(x + 1) + 3(x - 4) 8x - 21 8x - 4 8x + 21

Mathematics
1 answer:
Anna007 [38]3 years ago
7 0

Answer:

all work is shown and pictured

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if a rectangle has am area of 2x²+11x+15, what would be an expression for the length, and for the width?
lozanna [386]

Answer:

Length = 2x + 5

Width = x + 3

Step-by-step explanation:

Area of rectangle = length × width

Expression for area of the rectangle = 2x² + 11x + 15

Factorising the quadratic expression

2x² + 11x + 15 = 2x² + 6x + 5x + 15 = (2x² + 6x) + (5x + 15) = 2x(x + 3) +5(x + 3) = (2x + 5)(x + 3)

Length = 2x + 5

Width = x + 3

3 0
3 years ago
The area of a square is 36 square feet. each side of the square measures
choli [55]

6 ft for each side, bc area is side times side, which 6x6=36
6 0
2 years ago
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Can someone please answer this question answer it correctly and show work please
mrs_skeptik [129]

Answer:

$1,216

Step-by-step explanation:

Costs for Handsome Homes fabric

Area (sq. ft.)   Cost (dollars)

        (x)                  (y)

       250               475

       500               950

       750               1,420

       1000             1,900

If you divide any y-value by its corresponding x-value, the quotient will be 1.9

This means that each square foot costs $1.90 at Handsome Homes

Discount Diggers = 20% per sq. ft. less than Handsome homes

Discount Diggers = $1.90 - 20%

Discount Diggers = $1.90(100 - 20%)

Discount Diggers = $1.90(0.8)

Discount Diggers = $1.52

Now that it is known how much 1 square foot of fabric costs at Discount Diggers, we need to find how much 800 square feet of fabric costs.

$1.52 = 1 sq. ft.

$1.52(800) = 800 sq. ft.

$1,216

800 square feet of landscape fabric at Discount Diggers costs $1,216

Hope this helps :)

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3 years ago
I WILL GIVE BRAINLIEST!!! PLZ HELP ASAP!!!
seropon [69]
It is A, 60° because 180° (degree of the whole triangle) divided by the three angles is 60.
7 0
3 years ago
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What is the area of this triangle
svet-max [94.6K]

Answer:

14

Step-by-step explanation:

7*4*1/2=14

8 0
2 years ago
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