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weeeeeb [17]
3 years ago
7

HELP MEEEEE PLEASE I DONT UNDERSTAND THIS QUESTION?????

Mathematics
2 answers:
Vanyuwa [196]3 years ago
4 0

Answer:

It's B

Step-by-step explanation:

nikdorinn [45]3 years ago
3 0

this is really easy so don’t worry it’s B

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In $\triangle abc$, points $x$ and $z$ are on $\overline{ab}$ and $y$ is on $\overline{ac}$ such that $\overline{xy}\parallel \o
svp [43]

To solve this problem, we must imagine the triangles and parallel lines which are formed. It is best to draw the triangle described in the problem so that you can clearly understand what I will be talking about.

The first step we have to do is to make an equality equation in triangle ABC.

In triangle ABC, we are given that lines XY and BC are two parallel lines (XY || BC).  Therefore this means that:

AX / XB = AY / YC                                              ---> 1

 

The next step is to make an equality equation in triangle AXC.

We are given that lines ZY and XC are two parallel lines (ZY || XC). Therefore this also means that:

AZ / ZX = AY / YC                                               ---> 2

 

Combining 1 and 2 since they have both AY / YC in common:

AX / XB = AZ / ZX

we are given that:

AZ = 8, ZX = 4 therefore AX = AZ + ZX = 12, hence

12 / XB = 8 / 4

XB = 6

7 0
3 years ago
What is the domain of this graph? ​
Salsk061 [2.6K]

\rm{\pink{\underline{\underline{\blue{TO\:FIND:-}}}}}

  • The domain of the attachment graph .

\rm{\pink{\underline{\underline{\blue{SOLUTION:-}}}}}

The method to identify the domain and range of functions is by using graphs :-

⚡ The domain refers to the set of possible input values, the domain of a graph consists of all the input values shown on the x-axis .

⚡ The range is the set of possible output values, which are shown on the y-axis .

See the attachment figure .

[NOTE :- Keep in mind that if the graph continues beyond the portion of the graph we can see, the domain and range may be greater than the visible values .]

✍️ So, we can observe that the graph extends horizontally from -3 to the right with +10 .

✯ Hence, the domain is [-3 , 10] .

5 0
3 years ago
CAN SOMEONE HELP ME OUT WITH THIS PLEASE AND THINK YOU
Alexus [3.1K]
The answer is 10 7/10
7 0
3 years ago
Read 2 more answers
I need help with all 3 please
olganol [36]

Step-by-step explanation:

x +2y = 9. .....(1)

x - 2y = 5. .....(2)

from eqn (1)

x + 2y = 9

x = 9 - 2y.

substitute x = 9 - 2y into eqn (2)

9 - 2y - 2y = 5

-4y = 5 - 9

-4y = -4

y = 1

sub y = 1 into eqn (1)

x + 2y = 9

x + 2(1) = 9

x + 2 = 9

x = 9 - 2

x = 7.

(2) x + y = 9 ....(1)

x - 2y = 0 .....(2)

from eqn (2)

x - 2y = 0

x =0 + 2y

substitute x = 2y into eqn (1)

x + y = 9

(2y) + y = 9

3y = 9

y = 3

substitute y = 3 into eqn (2)

x - 2y = 0

x - 2(3) = 0

x - 6 = 0

x = 6.

(3) 2x + 7y = 5. ....(1)

2x + 3y = 9. .....(2)

from eqn (1)

2x + 7y = 5

7y = 5 - 2x

y = (5 - 2x)/7

sub y = (5 - 2x)/7 into eqn (2)

2x + 3y = 9

2x + 3(5 - 2x)/7 = 9

2x + (15 - 6x)/7 = 9

multiply through by 7

14x + 15 - 6x = 63

14x - 6x = 63 - 15

8x = 48

x = 6

sub x = 6 into eqn (1)

2x + 7y = 5

2(6) + 7y = 5

12 + 7y = 5

7y = 5 - 12

7y = -7

y = -1

6 0
2 years ago
Multiply.<br><br> x 18 = <br> help
NemiM [27]
The answer is 2/3 x 18= 12.
8 0
3 years ago
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