Answer: 156.25
Step-by-step explanation:
<u>Answer:</u>
<em>(2•7a5)</em>
<u>Step-by-step explanation:</u>
<em>Step 1 :</em>
<em>Equation at the end of step 1 :</em>
<em> -2a • (0 - 7a4)</em>
<em>Step 2 :</em>
<em>Multiplying exponential expressions :</em>
<em> 2.1 a1 multiplied by a4 = a(1 + 4) = a5</em>
Answer:
24,48,96,192
Step-by-step explanation:
3*x =6
Divide by 3
3x/3 =6/2
x=2
We are multiply by 2
Check
6*2 =12
Correct
12*2 =24
24*2 =48
48*2= 96
96*2= 192
Answer:
3/7 of the class are boys
Step-by-step explanation:
we have :
a+b=c
a= girls =16
b=boys = 12
c= total= 28
a/c=16/28=4/7
b/c=12/28=3/7
so we have:
(3/7) * c= 12
(3/7) * 28=12
3/7 of the class are boys