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JulsSmile [24]
3 years ago
15

Which number is IRRATIONAL? A) 1 B) 125 C) 18 2 3 D) 9.4

Mathematics
1 answer:
kvv77 [185]3 years ago
3 0
Answer: 3 is irrational
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which represents the solution(s) of the system of equations, y=x^2-2x-15 and y=8x-40? determine the solution set algebraically
Harrizon [31]
y=x^2-2x-15 (1) y=8x-40 (2)

8x-40=x^2-2x-15
X^2+10x-25=0
(x-5)^2
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7 0
3 years ago
Solve the equation.
Ad libitum [116K]

Answer:

D. 13 1/2


Step-by-step explanation:

2/3 x -2 = 7

2/3 x -2 + 2 = 7 + 2

2/3 x = 9

x = 9 (3/2)

x = 27/2

x = 13 1/2

6 0
3 years ago
The value of -7 + 24 ÷ (-3)(2) is _____.<br><br> Show work
densk [106]

Answer:

\boxed{=-23}

Explanation: You had to used pemdas stands for: p-parenthesis, e-exponents, m-multiply, d-divide, a-add, and s-subtracting that came from left to right.

First you had to multiply and divide from left to right.

24/(-3)=-8(2)

8*2=16

-7-16

Then you add and subtract from left to right.

-7-16=-23

=-23

Final answer: \boxed{=-23}

Hope this helps!

And thank you for posting your question at here on brainly, and have a great day.

-Charlie

3 0
3 years ago
50 pts
earnstyle [38]

Answer:

The coordinates of vertex S are (-2,-2) so that means the area is 12

Step-by-step explanation:

4 0
3 years ago
A quadrilateral has angles that measure 56°, 97°, and 136°. What is the measure of the fourth angle?
Aleksandr [31]
The quadrilateral adds up to 360 degrees. 

the 3 angles given add up to 289 degrees.

subtract the 3 given from 360

360 - 289

71 degrees.

i hope this helped! 
If you dont mind, please give me the brainliest answer! i am three away from the next rank :D
4 0
3 years ago
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