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Over [174]
4 years ago
8

Please help asap <3

Mathematics
2 answers:
sladkih [1.3K]4 years ago
6 0

Answer:

think it's A (0,6) if not then idk maybe D

brilliants [131]4 years ago
3 0

Answer:

A(6,0)

Step-by-step explanation:

x=y−6 ;y=−3x+6

Step: Solve x=y−6 for x:

x=y−6

Step: Substitute y− 6 for x in y=−3x+6:

y=−3x+6

y=−3(y−6)+6

y=−3y+24(Simplify both sides of the equation)

y+3y=−3y+24+3y(Add 3y to both sides)

4y=24

4y

4

=

24

4

(Divide both sides by 4)

y=6

Step: Substitute 6 for y in x=y−6:

x=y−6

x=6−6

x=0(Simplify both sides of the equation)  

Answer:

x=0

and  

y=6

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What is the missing justification?
frozen [14]

Answer:

Option A is correct.

The missing justification is: Transitive property

Step-by-step explanation:

Given:  \angle A \cong \angle B ,   \angle C \cong \angle B

Symmetric property of equality states the if for all real values of x , y

if x =y then, y =x.

Then, by symmetric property of equality:

we can write  \angle C \cong \angle B as

\angle B \cong \angle C

Transitive property of equality states that if we have the two things that are equal to each other and the second thing is equal to a third thing.

i.e, if a =b and b =c

then a =c

By transitive property of equality:

if  \angle A \cong \angle B and \angle B \cong \angle C

then;

\angle A \cong \angle C                      ......[1]

Congruent angle states that the angles have exact the same measure

Therefore, by definition of congruent angles in [1] we have;

m\angle A = m \angle C

4 0
3 years ago
Read 2 more answers
Alvin is 7 years younger than Elgas. The sum of their ages is 63. What is Elgas age?
Elden [556K]

Answer:

Elgas is 35.

Step-by-step explanation:

Let's set up an equation.

Alvin is 7 years younger than Elgas.

A = E - 7

The sum of their ages is 63.

A + E = 63

Let's use substitution.

Plug in the first equation of A into the second equation.

A + E = 63

(E - 7) + E = 63

Combine like terms.

2E - 7 = 63

Add 7 to both sides.

2E = 70

Divide both sides by 2.

E = 35

Elgas is 35.

Hope this helps!

6 0
3 years ago
Plz help I’ll give 20 points
madreJ [45]

Answer: D

Step-by-step explanation: y=2 so 2+2=4+1=5

3 0
3 years ago
The equation of a circle is . x2 + y2 + Cx + Dy + E = 0. If the radius of the circle is decreased without changing the coordinat
Neporo4naja [7]
To determine the effect of the radius changes to the coefficients, we need to rewrite the form of the equation into:

(x−α)²+(y−β)²=r² 
From the equation, we will see that:

C=−α∗2
D=−β∗2
and α²+β²−r²=E
where r represents the radius of the circle and α,βare the coordinate of the center of the circle.

Therefore, when the r decreases the coefficients C and D do not change but E increases.
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6 0
3 years ago
Read 2 more answers
Divide 120ml into the ratio 3:7
viva [34]

Answer:

Step-by-step explanation:

sum of ratio=3+7=10

total=120 ml

first part=3/10×120=36 ml

second part=7/10×120=84 ml

5 0
3 years ago
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