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3 years ago

I need help with this one

Mathematics

1 answer:

Artemon [7]3 years ago

7 0

Binomial,since there are 2 terms and the degree is 3 since that is the highest exponent

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Which equation represents a circle with a center at (-4,9) and a diameter of 10 units?

Dennis_Churaev [7]

Answer:

$(x+4)^2 + (y-9)^2 = 25$

Step-by-step explanation:

To write the equation of a circle, use the formula $(x-h)^2+(y-k)^2 = r^2$ where the center of the circle is (h, k).

This means the equation is $(x--4)^2 + (y-9)^2 = r^2\\\(x+4)^2 + (y-9)^2 = r^2$ .

Find the radius r by dividing the diameter of 10 in 2. The radius is 5.

So the equation of the circle is $(x+4)^2 + (y-9)^2 = 25$

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3 years ago

The state of Colorado is in the shape of a rectangle whose length is 380 miles and whose length is 380 miles and whose width is

KiRa [710]

Area of a rectangle is Length times width
So basically 380 * 280 should be the answer
The answer should be 106400

8 0

3 years ago

Read 2 more answers

What is the answer to 10-2.7y=y+9

ZanzabumX [31]

$10-2.7y=y+9\\\\-2.7y-y=9-10\\\\-3.7y=-1\ \ \ \ \ |:(-3.7)\\\\y=\frac{10}{37}=0.270270$

7 0

3 years ago

WILL GIVE BRAINIEST AND POINTS :

crimeas [40]

Answer:

BE = FC = 3 inches, EF = 2 inches

Step-by-step explanation:

The sum of angles A and D is 180°, so the sum of their half-angles is 90°. That is, half of A plus half of B add to 90°, so the bisector from B intersects AE at a right angle. Call that point of intersection X.

Then angle ABX = angle EBX, so triangle ABX is congruent to triangle EBX. Sides AB and BE are corresponding sides of congruent triangles.

The same argument applies to sides DC and CF.

Thus we have BE = CF = 3 inches, and EF is the left-over distance, 2 inches.

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3 years ago

The vertex of this is at (2,-4)

Blizzard [7]

Answer: 6x–y≥

–

Step-by-step explanation: try that

3 0

2 years ago