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Fed [463]
3 years ago
9

One of the roots of the equation 27x^2 + bx + 8 =0 is known to be the square of the other. Find b​

Mathematics
1 answer:
Scilla [17]3 years ago
3 0

Answer: Your going to have to correct your placing of your numbers.

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What is 4×7 Please answer
stealth61 [152]
4 x 7= 28

BTW no calculator. Did it in my head. Hope this helps!
5 0
3 years ago
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10 points!
Goryan [66]

Answer:

30 feet

Step-by-step explanation:

A ratio of 4:3 means that if one part can be represented by x, the original height is equal to 4 * x and the mural height is equal to 3 * x. This is because the ratio of original : mural is 4 : 3, so if one part = x, we have 4 * x : 3 * x. Therefore,

original mast height = 40 feet

4 * x = original mast height = 40 feet

divide both sides by 4 to get x

x = 10 feet

3 * x = mural mast height = 3 * 10 feet = 30 feet

4 0
3 years ago
Arc cd 1\4 of the circumstance of a circle. What is the radian measure of the central angle.
k0ka [10]
"<span>Arc cd 1\4 of the circumstance of a circle. What is the radian measure of the central angle."  Better:  'The arc CD is 1/4 the circumference of a circle.  What is the radian measure of the central angle?'

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3 0
3 years ago
In ABC , DG =32cm What is the length of AD
zzz [600]
Question isn't complete.
8 0
4 years ago
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A circle is centered at 7,8 and has a radius of 11 what is the equation?
denis-greek [22]
SchwarzschildRadius here:

So,

The equation for a circle is:

(x-h)^2+(y-k)^2=r^2

Where the center of the circle is (h,k), and the radius of the circle is r.

Substituting 7,8 for (h,k) and 11 for r in the equation gives us:

(x-7)^2+(y-8)^2=11^2

That would be standard form.

Hope this helps!
7 0
3 years ago
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