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Advocard [28]
3 years ago
5

Which equation is that of a circle with a center (7,-1) and radius of 4

Mathematics
1 answer:
Damm [24]3 years ago
6 0

Answer:

htx

Step-by-step explanation:

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A magazine subscription runs several promotions. Customers can choose from the following deals:
icang [17]
1.8461 diveded 12/86
7 0
3 years ago
Which of the following numbers is both a perfect square and a perfect cube?
Marat540 [252]

Answer:

531441

Step-by-step explanation:

We can find by   factorization

531441 = 9 * 9 * 9 * 9 * 9 *9 = (9*9*9) * (9*9*9)

\sqrt[3]{531441}=\sqrt[3]{9*9*9*9*9*9}  =9*9 = 81\\\\\\\sqrt{531441}=\sqrt{(9*9)*(9*9)*(9*9)}=9*9*9=729

7 0
3 years ago
Read 2 more answers
What relationship do the ratios of sin x° and cos y° share?
puteri [66]

Answer:

The ratios are both identical (3/5 and 3/5).

Step-by-step explanation:

sin x° is equivalent to O/H, or the opposite/hypotenuse sides of the triangle. Therefore:

sin x° = 3/5.

cos y° is equivalent to A/H, or the adjacent/hypotenuse sides of the triangle.

cos y° = 3/5.

\frac{3}{5} =\frac{3}{5}

The ratios are identical.

8 0
3 years ago
A number divided by 5 is at least 4
mina [271]

Answer:

sorry I'm not sure how to help with that yet

5 0
3 years ago
What is the equation of a parabola with (-1,-3) as its focus and y=1 as its directrix?
Olegator [25]
Hmm, y=1 is directix
means it opens up or down
we will be using
(x-h)²=4p(y-k) where (h,k) is vertex and p is the distnace from focus to vertex and from vertex to direcitx
focus is (-1,-3)
find distance between y values because directix is a y value
midpoint is the vertex
from -3 to 1 is 2 units
since focus is below directix, it opens down, and p is negative
it is 2 units above focus
so at (-1,-1)
and p=-2

(x-(-1))²=4(-2)(y-(-1))
(x+1)²=-8(y+1) is da equation
3 0
3 years ago
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