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Novosadov [1.4K]
3 years ago
12

I don't know how to do systems of eliminations

Mathematics
1 answer:
Evgen [1.6K]3 years ago
4 0
The answer is (x,y)=(-5/6,-4/3)
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given that BD is the median of ABD and that ABD is isosceles congruence postulate SSS can be used to prove which of the followin
Alja [10]

It is given in the question that

BD is the median. So it divides the opposite sides in two equal parts .

Therefore in triangles BAD and BCD,

AB and AC are congruent because of isosceles triangle.

AD and CD are congruent because of the median BD.

And BD and BD are congruent .

So the two triangles are congruent by SSS and the correct option is the first option .

3 0
3 years ago
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Need help will give brainliest i am timed answer in 20 minutes
Artist 52 [7]

Answer:

121

.

The axis of symmetry is the line x= 6

The parabola opens downwards.

The value of h when the equation is in vertex form is positive.

Step-by-step explanation:

In the pictures.

Hope it helps! :)

3 0
1 year ago
Sorry abt the quality. plz help
m_a_m_a [10]

Answer:

Okay so for the first box i should be x<-5 and the other box should be -5<x

Step-by-step explanation:

3 0
3 years ago
Solve for y. -13=4y+3
mina [271]

Answer:

y = -4

Explanation:

The initial expression is:

-13 = 4y + 3

So, we need to substract 3 from both sides of the equation:

-13 - 3 = 4y + 3 - 3

-16 = 4y

Then, dividing both sides by 4, we get:

-16/4 = 4y/4

-4 = y

Therefore, the solution of the system is y = - 4.

4 0
11 months ago
Would you classify the number 200 as a perfect square, a perfect cube, both, or neither? Explain. ​
Volgvan

Answer:

neither

Step-by-step explanation:

√200 =10√2 so its not perfect square

(3)√200≈5.8480 not a perfect cube

3 0
3 years ago
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