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ludmilkaskok [199]
2 years ago
12

Class 9 help who are clever will get a brainlist​

Mathematics
1 answer:
marta [7]2 years ago
4 0
Could you show a better picture?
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Solve y=x+5 and 2x-3y=4
stepan [7]

Answer:

x= -19

y= -14

Step-by-step explanation:

Substitution.

It tells you what y is already. You substitute that into the second equation and then solve. Then you use that answer and substitute it back into the first equation's x, and then you'll get your full answer.

Hope this helps <3

4 0
1 year ago
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Does anyone know this?
Neko [114]

"c" is the hypotenuse of the largest triangle, and "a" is that triangle's shortest side. Thus the ratio is

... (longest side)/(shortest side)


Since all the triangles in the figure are similar, to complete the proportion, you need to recognize the triangle that "a" is the longest side of, then find the shortest side of that triangle.


"a" is the longest side (hypotenuse) of the smallest triangle. The shortest side of that triangle is "r". So, your proportion is ...

... c/a = a/r


The appropriate choice is the 2nd one, ...

... r

8 0
3 years ago
How do you find percent decrease?
snow_lady [41]
I think thats how ur welcome

5 0
3 years ago
What is another to describe an equilateral triangle . PICK BELOW
krok68 [10]
The answer is a right triangle meaning that all sides and angles are equal.
7 0
3 years ago
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What is the value of x in the proportion below?<br><br> 57=x21
Rama09 [41]

Answer:

2.71428571429

Step-by-step explanation:

calculator, counted it myself too to check if it's right

2.71428571429

PLEASE VOTE 5.0 MARK ME BRAINLIEST AND THANK ME

8 0
3 years ago
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