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Phantasy [73]
2 years ago
10

I need help ASAP! And work needs to be shown!

Mathematics
1 answer:
spin [16.1K]2 years ago
3 0

Answer:

32 x p/100 = 40

(Solve for P)

Multiply by 100 on both sides

32x = 4,000

Divide by 32 to get:

X = 125%

(reason why you multiply by 100 is because opposite of division is multiplication and we multiply the number "100" because we always multiply the denominator to both sides when having a fraction so you can solve for p or whatever. And that means p/100 x 100 it means p because since p is not a known value we consider 1/100 x 100 = 1, a variable by itself means 1 so you could just put p by itself next to the number its multiplied by which is 32 so it would be 32p because your multiplying both and the opposite of that would be dividing by 32 on both sides because you are getting rid of the 32 so therefore you will be left with: X = 125)

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A square has a perimeter of 28 inches. Find the area of the square.
sasho [114]

Answer:

A = 49 in^2

Step-by-step explanation:

The perimeter of a square is found by

P = 4s where s is the side length

28 = 4s

Divide each side by 4

28/4 = 4s/4

7 =s

We want to find the area

A = s^2 where s is the side length

A = 7^2

A = 7^2

A = 49 in^2

4 0
2 years ago
Read 2 more answers
Which of the following statement(S) are true of the discriminant?
lana [24]

Hello from MrBillDoesMath!

Answer:    A, C, D

Discussion:

The solution of the quadratic equation  ax^2 + bx + c = 0  is


x =        ( -b  +\-   (b^2 - 4ac) ^ (1/2) ) /2a


The expression b^2 - 4ac is called the discriminant, occurs in the numerator of the solution,  and also occurs inside a square root (called a radicand).

The question, while intelligible, should be stated more clearly.  

Regards, MrB

5 0
2 years ago
Read 2 more answers
PLEASE HELP ASAP
Anna35 [415]

Hello


Answer:

The correct answer is B

Step-by-step explanation:

You just use the Distribuatd property to solve

You multiply 10 to all the varibles inside the parthense

Becasued y is equal to 7 you would do 10x7=70

then 10x8=80

and 70+80=150

and the answer says the primeter is 150 when y=7



Hope this helps

Plz mark me as Brainliest

5 0
2 years ago
Enter the pair of fractions 6/7 and 13/14 with the smallest common denominator between the two fractions
fredd [130]

Answer:

25/14

Step-by-step explanation:

4 0
3 years ago
Bobby’s uncle gave him 300 baseball cards. Each week, Bobby purchases 40 baseball cards to add to his collection.
ddd [48]

Answer:

C )   40w + 300 > 7--

Step-by-step explanation:

Since he starts off with 300 cards, the equation must have +300 units. As he purchases 40 each week, the rate of change is 40w. Since his goal is over 700, look for >700.

Therefore 40w + 300 > 700

5 0
3 years ago
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