Answer:
Solution given:
note=diameter=2*radius
1:
Area of circle =πr²=22/7*(21/2)²=<u>346.5cm²</u>
2:
radius (r)= 3 ½=7/2cm
Area of circle =πr²=22/7*(7/2)²=<u>38.5cm²</u>
3;
radius (r)=14/2=7cm
Area of circle =πr²=22/7*(7)²=<u>154cm²</u>
note:
π=3.14 or 22/7
<h3>i use 22/7 over here</h3>
Answer:
Step-by-step explanation:
The sum of these angles must equal 360 degrees.
x+63+55=360
x+118=360
x=242
Oyebolatoba Beginner
Let d = # digital cameras
Let m = # manual cameras
d + m = 240 equation 1
(d-82) = 3(m-26) equation 2
d - 82 = 3m - 78
d - 3m = 82 - 78
d - 3m = 16 equation 2 simplified
We have two equations with 2 unknowns:
d + m = 240
d - 3m = 16 subtract equation 1 from equation 2
---------------
-4m = -224
m = -224/-4
m = 56
d + m = 240
d = 240-m
d = 240-56
d = 184
He started with 184 digital cameras and 56 manual cameras
Answer:
<u>The correct answer is </u>
<u>C. k+d=130
</u>
<u>7k = 3d</u>
<u>Number of kids Dr. Irvine see in a week is 39.</u>
Step-by-step explanation:
1. Let's review the information given to answer the question correctly:
Number of patients Dr. Irvine see in a week = 130
Radio of kids to adults = 3:7 or 3/7
Number of Kids = k
Number of adults = d
2. Let's find the equations system that should be set up to find out how many kids Dr. Irvine see
k + d = 130 (Number of patients Dr. Irvine see in a week)
Including the ratio:
7k = 3d
Replacing d:
d = 130 - k
Now substituting:
7k = 3 * (130 - k)
7k = 390 - 3k
10k = 390
k = 390/10
<u>k = 39</u>
Your answer is +1
= -19, -18, -17, -16, -15, -14, -13, -12, -11, -10, -9 and so on…
