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Gemiola [76]
3 years ago
10

The diameter of a round patio is 16 feet.Which expression can be used to find the patio’s circumference in feet?

Mathematics
1 answer:
Delicious77 [7]3 years ago
8 0

Answer: 16*pi

Step-by-step explanation: The equation for diameter is pi*diameter. Since you already know the diameter, just plug it in.

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Use the discriminant to determine how many X intercepts the graph of the equation has
BlackZzzverrR [31]
<span> The quadratic formula says that any quadratic equation of the form ax^2 + bx + c, then
x=(-b ± √(b^2 - 4ac))/2a, and so because of the square root, theres obviously going to be no x-intercepts if b^2 - 4ac is negative, one x-intercept if its zero, or two if its positive. So to calculate the discriminant, which is whether it has an intercept, no intercepts or two intercepts is:
∆=b^2 - 4ac, where delta, the greek equivalent of D, is used to represent the discriminant.
In the above equation a=-4, b=3 and c=-2, so
∆=3^2 - 4*-4*-2=9 - 32=-23, so because the discriminant is negative, then there are no x-intercepts.








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7 0
3 years ago
Send help please I am confused aaa According to the distributive law, what operation goes in the blank? -(8 - 7) = - 8 __ 7
Rina8888 [55]

Two negative signs together change the sign to a positive sign.

Using the distributive property with the 7 you would have -(-7), the two negatives would make it +7

So you end up with -8 + 7

4 0
3 years ago
Can you please factor this x^8-7x^4+12
SashulF [63]
Lol yes I can factor that. x^{4} -3)(x^{4}-4) But, this can be factored further. ( x^{2} -2)( x^{2} +2)( x^{4}-3)
3 0
3 years ago
A train leaves Ayr station every day at 09:50 and arrives in Glasgow at 10:39. How long is the journey?
Pepsi [2]

Answer:

49 minutes

Step-by-step explanation:

9:50 to 10:00 is 10 minutes

plus the 39 minutes in 10:39

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hope i helped

4 0
3 years ago
Read 2 more answers
Solve each equation for p.<br> P+3/m=-1
Otrada [13]

Answer:

P= -m-3

I hope this helps!

3 0
3 years ago
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