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ki77a [65]
3 years ago
5

You have 6,000 with which to build a rectangular enclosure with fencing

Mathematics
1 answer:
Dominik [7]3 years ago
7 0
What is the question asking
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Builders are covering a wall that is 4 meters tall and 7 meters wide with bricks. They will cover the entire wall except for a s
marin [14]

Answer:

24 m^2

Step-by-step explanation:

There are two areas to consider here:  first, the area of the wall, and second, the area of the window.  We answer this question by finding these two areas and subtracting the area of the window from the area of the wall.

Wall area:  (4 m)(7 m) = 28 m^2

Window area:  (2 m)(2 m) = 4 m^2

Net area of wall, to be covered in brick:

28 m^2 - 4 m^2 = 24 m^2

3 0
3 years ago
Can someone help me with this thank you
levacccp [35]

Answer:

B

Step-by-step explanation:

This quadratic factors.

x^2 - 15x + 56

= (x - 7)(x - 8)

x - 7 = 0

x = 7

=====

x - 8 = 0

x = 8

====

{7,8}

5 0
3 years ago
For which values of x is the inequality 3(1 + x) < x + 6 true?
Bond [772]
4 & 5....

i think it is 


3 0
3 years ago
Read 2 more answers
Find the interest generated if one invests $6000 for 9 years at 7% per annum with interest compounded monthly
marysya [2.9K]

Answer:

principle= 6000

time =9 years

rate = 7%

so,

compound interest = p((1+r/100)^t. -1)

= 6000((1+0.07)^9 -1)

=6000(1.84-1)

=6000*0.84

=5040

8 0
3 years ago
Jen factored x² - 4x - 21 as (x - 3)(x + 7) What did she do wrong?
alexgriva [62]

Answer:

She didn't put the sign's in the proper place, it should be ( x + 3 ) ( x - 7 )

Step-by-step explanation:

( x - 3 ) ( x + 7 ) = x² + 7x - 3x - 21 = x² + 4x - 21

( x + 3 ) ( x - 7 ) = x² - 7x + 3x - 21 = x² - 4x - 21

5 0
3 years ago
Read 2 more answers
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