Answer:
x= -8 x= 1/3
Step-by-step explanation:
Solve using the quadratic formula:
a= 3
b= 23
c= -8
Note that in the picture it would be plus or minus the square root of
Answer: 7 shirts
Explanation: divide 77 by 9.85 you get 7.88888 repeating. You can’t have part of a shirt so she can buy 7 shirts.
Answer:
(2×4x)+(4×-5) is the distributive property
Câu trả lời:
0,7
Giải thích từng bước:
Xác suất để một sự kiện xảy ra = 0,3
Cho sự kiện = A
P (A) = 0,3
Xác suất mà sự kiện không xảy ra có thể thu được bằng cách sử dụng quy tắc bổ sung;
P (A ') = 1 - P (A)
Vì thế,
P (A ') = 1 - 0,3 = 0,7
Option B:
is the value of y
Explanation:
It is given that "Two times x is 8 more than y". Writing it as expression, we have,

It is also given that "The sum of x and two times y is 14". Writing it as expression, we have,

To find the value of y, let us solve the two equations using substitution method.
From the equation
, let us find the value of x.



Now, substituting
in the equation
, we get,





Thus, the value of y is 