<1=90=3y-6
3y=96
y=96:3
y=32
9x=6z=90
x=10
z=90:6
z=15
44. BD=AC
2x-1+3y+5=4x-y+1
2x+3y+4=4x-y+1
3y+y+4-1=4x-2x
4y+3=2x
3y+5=2x-1
3y+5=(4y+3)-1
3y+5=4y+2
5-2=4y-3y
y=3
2x=4y+3=4*3+3=15
x=15:2
x=7,5
Answer:
that cant be done
Step-by-step explanation:
Train A’s length is 1120 feet, and Train B’s length is 1020 feet. Therefore, only Train B meets the requirement.
It would have costed $9900 to drive 15,000 miles in 2012.
Step-by-step explanation:
Given,
Average cost of medium sedan in 2012 = $0.66 per mile
Let,
x represent the total number of miles.
y represent the total cost.
Therefore;
y = 0.66x
Miles driven = x = 15000
Putting in Eqn
It would have costed $9900 to drive 15,000 miles in 2012.
Keywords: multiplication, variable
Learn more about variables at:
#LearnwithBrainly
<span> (–4) • (9) – (5) • (–2)
Multiply -4 by 9
-36 - 5 * -2
Multiply -2 by -5. Ntote: When you multiply a negative number by another negative number, it would equal a positive number.
-36 + 10
Add
Final Answer: D. -26</span>