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Alex787 [66]
3 years ago
8

Please answer this correctly , will mark brainliest answer !!!

Mathematics
2 answers:
ivanzaharov [21]3 years ago
7 0

Answer:

x^2-7

Step-by-step explanation:

RideAnS [48]3 years ago
5 0

Answer:

x+1

Step-by-step explanation:

We know that the area is the length times width, so (x-7)l=x^2-6x-7\\l=\frac{(x^2-6x-7)}{(x-7)}\\\\l=x+1.

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a dolphin swims 24 miles in 1.5 hours. The graph represents the speed of the sea lion. which statement is true
lapo4ka [179]
Where's the graph that represents the speed of the sea lion?
5 0
3 years ago
7/8 subtract 1/2 equals. and explain how you got your answer
puteri [66]
3/8 because you find the common denominator
8: 8,16,24,32
2: 2,4,6,8
1/2=4/8
7/8-4/8
So the answer is 3/8
You can try to find the denominator and then change the denominator+numerator.
6 0
3 years ago
What is the circumference of a circle that has a diameter of 12 feet
frosja888 [35]

Answer:

i think it's 37.7

Step-by-step explanation:

5 0
2 years ago
A woman bought some large frames for $10 each and some small frames for five dollars each add a closeout sale if she bought 17 f
emmasim [6.3K]
She bought 3 large frames and 14 small frames
3 0
3 years ago
A bookstore makes a profit of $2.50 on each book they sell, and $0.75 on each magazine they sell. One week, the store sold x boo
marin [14]

Answer:

Total books sold=146 books

Total magazines sold=114 magazines

Step-by-step explanation:

Equation 1

Total weekly profit=(Profit for each magazine sold×Number of magazines sold)+(Profit for each book sold×Number of books sold)

where;

Total weekly profit=$450

Profit from each magazine sold=$0.75

Number of magazines sold=y

profit from each book sold=$2.50

Number of books sold=x

Replacing;

450=(0.75×y)+(2.5×x)

0.75y+2.5x=450.....  Equation 1

Equation 2

Total number of publications sold=Total number of books sold+Total number of magazines sold

where;

Total number of publications sold=260

Total number of books sold=x

Total number of magazines sold=y

x+y=260...   Equation 2

Combine equation 1 and 2 and solve;

1(2.5x+0.75y=450)>>>>>>>>2.5x+0.75y=450

2.5(x+y=260)        >>>>>>>>2.5x+2.5y=650

Subtract equation 1 from 2

(2.5x-2.5x)+(2.5y-0.75y)=(650-450)

1.75y=200

y=200/1.75

y=114

Replacing the value for y in equation 2

x+114=260

x=260-114=146

Total books sold=146 books

Total magazines sold=114 magazines

8 0
3 years ago
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