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mezya [45]
2 years ago
14

PLS HELP IM GONNA FAIL MATH

Mathematics
2 answers:
prohojiy [21]2 years ago
7 0
What is the speed?? Or does it not matter?
stellarik [79]2 years ago
6 0

Answer:

This circumference of the pond is 2πr (or 2π48), which equals 301.44m(assumine pi is 3.14). How long it takes to walk around depends on the rate of speed.

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3 • 4/12 to the simplest form
beks73 [17]
9 because you would turn 4 12 in simplest form the times it by 3

3 0
3 years ago
Ben is 30 years old and daniel is 2 years old .how many years will it take until ben is only 3 times as old as daniel?
Ronch [10]
30x = 6
x = 1/5 years @ 2 months 2/5 days
3 0
3 years ago
The polynomial 6x2 x − 15 has a factor of 2x − 3. what is the other factor? 3x − 5 3x 5 4x − 5 4x 5
Andrew [12]
6x^2 + x - 15 = 6x^2 - 9x + 10x - 15 = 3x(2x - 3) + 5(2x - 3) = (3x + 5)(2x - 3)
Therefore, the other factor is 3x + 5.
8 0
2 years ago
Read 2 more answers
What is 10 x 0.018?<br><br> 0.18<br> 1.8<br> 18<br> 180
Semenov [28]

Answer:

0.18

Step-by-step explanation:

hope this helps

3 0
2 years ago
Read 2 more answers
Hello I don’t understand question 9 a and b. Please show working out.<br> Thanks
brilliants [131]
A) I would make the positive integer x and then form an equation.

x + 30 = x^2 - 12
x + 42 = x^2
0 = x^2 - x - 42 this can be factorised
(x - 7) ( x + 6) Therefore x = 7 or x = -6

Since the question asks for a positive integer the answer is 7.

B) two positive numbers x and y.

X - y = 3
x^2 + y^2 = 117

Use these simultaneous equations to figure out each number.

Rearrange the first equation

x = y + 3

Then substitute it into the second equation.

(y+3)^2 + y^2 = 117
y^2 + 6y + 9 + y^2 = 117
2y^2 + 6y - 108 = 0
then factorise this.
(2y - 12) (y + 9)

This means that y = 6 or y = -9 but it’s 6 because that’s the only positive number.

Use y to find x

x = y + 3
x = 6 + 3
x = 9

So the answers are x = 9 and y = 6.
3 0
3 years ago
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