10+30=40(total number of students in the class)
take this number and divide by 5
40/5=8 (students)
ANSWER: 8 students signed up for the competition
Answer:
(See explanation for further details)
Step-by-step explanation:
The standard equation of the parabola is:
The formula is now expanded into a the form of a second-order polynomial:
The general equation of the second-order polynomial is:
The equations to be solved are presented herein:
Now, the solution of the system is:
The equation of the parabola is:
Lastly, the graphic of the function is included as attachment.
Answer:
y=7 and x=12
Step-by-step explanation:
X= number of Granny Smith apples
Y= number of Gala apples
With the given data we build and solve the following system
x+y=19
0.25x+0.3y=5.10
So we conclude that
y=7 and x=12
Brainliest please.... Your welcome
Answer:
Question Question
Step-by-step explanation:
Question Question
Given that,
The diameter of a semicircle is 2 mm.
To find,
The area of the semicircle.
Solution,
Radius of semicircle, r = 1 mm
The area of a semicircle is given by the formula as follow :
So, the area of the semicircle is .