Answer:
80
Step-by-step explanation:
28-28=0
0-12= -12
28+12 = 40
28-40 = -12
40 is the increase
40 is half of 80
So, the answer is 80
To check: -12 + 40 (half of a number; 80) = 28
Hope this makes sense. If you require further information, do not hesitate to ask!
Answer:
there are 1250 readers
Step-by-step explanation:
r = readers
4 percent of readers sent letter = 50 recieved letters
r * 4 percent = 50
r * .04 =50
divide by .04 on each side
r = 50/.04
r =1250
The first one is B
The second one is D
Hope this helps you!
Answer:
open circle at 7; arrow points left
Step-by-step explanation:
To Solve:
4x - 10 < 18
+ 10 +10
4x < 28
/4 /4
x < 7 *only flip sign when multiply/divide by negative
< means the arrow will point left and that it will be an open circle
6/3 = 2
10^4/10^-5 = 10^9
so it's 2 x 10^9
answer
<span>A 2 × 10^9</span>
