Answer:
x = 12
Step-by-step explanation:
Equation: 0.52(x) + 0.72(4) = 0.57(x + 4)
0.52(x) + 0.72(4) = 0.57(x + 4) 
Multiply
0.52x + 2.88 = 0.57x + 2.28 Subtract 0.52x from both sides
2.88 = 0.05x + 2.28 Subtract 2.28 from both sides
0.6 = 0.05x Divide all sides by 0.05
x = 12
-Chetan K
Answer:
5
Step-by-step explanation:
in each sample there were 50 students, in a group of 800 there would be 16 samples taken, if you divide the total amount of kids with Novemeber birthdays, 80 by the amount of samples, 16, youll learn that in each sample there are 5 students to have a birthday in november within each sample, hope this helps.
To find one half of three fourths, multiply the fractions. 1/2 x 3/4. You would get 3/8. I hope this helps!
Answer:
-x-3
Step-by-step explanation:
x-2x-1+2
-x-3
Answer:
Step-by-step explanation:
Remove the unnecessary parentheses
Collect like terms
Hope I helped!
Best regards! :D
