Answer:
0= x
Step-by-step explanation:
8= 8 + 4x +5x
Combine like terms
8 = 8+9x
Subtract 8 from each side
8-8 =8+9x-8
0 = 9x
Divide by 9
0/9 = 9x/9
0= x
Answer:
£24 : £32
Step-by-step explanation:
Add the parts of the ratio 3 + 4 = 7
Divide the amount by 7 to find the value of one part
£56 ÷ 7 = £8 ← one part of the ratio
3 parts = 3 × £8 = £24
4 parts = 4 × £8 = £32
Answer:
pls give brainlist
Step-by-step explanation:
a. 
50 x 9 = 450. A=450
b. I can scale the unit rate of the area given above and largen the area of the map. Ex. 
=
<---(scaled by 2)
Then we can enlarge it however we want so,
= 
<--(scaled by 2 once more)
If the statement above is true then we can scale times 4.
= 
<---(scaled by 4)
A= 
all i can give u at the moment , if u go on M a t h w a y it can help
Answer:
Step-by-step explanation: reduce mean divide so 400 divided by 4 =28
Answer:
Step-by-step explanation:
A.
R(x)=px=x(-45 x+1800)=-45 x²+1800 x
B.
C(x)=7000+100 x
C.
P(x)=R(x)-C(x)=-45 x²+1800 x-(7000+100 x)
or P(x)=-45x²+1800 x-100 x-7000
or P(x)=-45 x²+1700 x-7000
