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3 years ago

20 POINTS BRAINLIEST

Mathematics

2 answers:

adoni [48]3 years ago

7 0

It is quadratic because the 2 is repeated

scoundrel [369]3 years ago

3 0

Quadratic is tha answer

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Simplify the expression <br><br> c+2+c+c+4

professor190 [17]

Answer:

2+4+ccc

Step-by-step explanation:

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2 years ago

Mark the congruent parts of the triangles and complete the proof

eimsori [14]

1) given

2) definition of an angle bisector

3) reflexive

4) $\triangle ABD \cong \triangle CBD$ (ASA)

5) $\angle A \cong \angle C$ (CPCTC)

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1 year ago

Type the correct answer in each box. A circle is centered at the point (5, -4) and passes through the point (-3, 2). The equatio

Galina-37 [17]

Answer:

$(x+ \boxed{-5})^2+(y+\boxed4)^2=\boxed{100}$

Step-by-step explanation:

Given:

Center of circle is at (5, -4).

A point on the circle is $(x_1,y_1)=(-3, 2)$

Equation of a circle with center $(h,k)$ and radius 'r' is given as:

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

Here, $(h,k)=(5,-4)$

Radius of a circle is equal to the distance of point on the circle from the center of the circle and is given using the distance formula for square of the distance as:

$r^2=(h-x_1)^2+(k-y_1)^2$

Using distance formula for the points (5, -4) and (-3, 2), we get

$r^2=(5-(-3))^2+(-4-2)^2\\r^2=(5+3)^2+(-6)^2\\r^2=8^2+6^2\\r^2=64+36=100$

Therefore, the equation of the circle is:

$(x-5)^2+(y-(-4))^2=100\\(x-5)^2+(y+4)^2=100$

Now, rewriting it in the form asked in the question, we get

$(x+ \boxed{-5})^2+(y+\boxed4)^2=\boxed{100}$

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3 years ago

Harriet has 3/4tanks of gas left in her car .if she needs 1/4 tank to go to her friends house and another 1/4 tank to get back h

givi [52]

Yes, because 1/4 plus 1/4 equals 2/4 (or 1/2) and 3/4-2/4 equals 1/4.

7 0

2 years ago

How many 5 digit numbers are even if repetition is not allowed?

shtirl [24]

23308 is the answer of how many is even with no repitition

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3 years ago