Do a proportion. 28/100= 7/x. Now cross multiply and divide. 7 x 100=700 and 700 divided by 28 is 25. There are 25 students in the class. Answer is 25
Answer:
x=32
Step-by-step explanation:
Multiply both sides by 4.
(x/4)*(4) = (8)*(4)
Answer:
R = 4.2cm and D = 8.4cm
Step-by-step explanation:
The radius is 3.2 and the diameter is always twice much so its 8.4
Answer:
+.5
Step-by-step explanation:
Okay the points given are -4,-5 and -2, 1
we know the formula
y2 - y1/x2 - x1
label -4 as x1 and -5 x2
-2 as y1 and 1 as y2
1 - -2 turns into 3
-5 - -4 turns into -1
sp its - 3/ 1