Answer:
hope this helps (look in the picture)
Step-by-step explanation:
Hey there! :)
Answer:
A. x = 5.
Step-by-step explanation:
Starting with:
4x + 1 = 21
Subtract 1 from both sides:
4x + 1 - 1 = 21 - 1
4x = 20
Divide both sides by 4:
4x/4 = 20/4
x = 5.
Mark has to ride 50 kilometers. He already rode 18.23 and 13.94.
18.23km+13.94km=32.17km
50km-32.17km=17.83km
Mark will have to ride 17.83km more. The correct answer is B.
Answer:
82.19
Step-by-step explanation:
Answer:
<h2>

</h2>
Step-by-step explanation:
According to the question,
∝
.......(1)
∝
.......(2)
From equation 1,2 let constant of proportionality be
respectively.
⇒
.......(3)
⇒
.......(4)
From the above equations putting 4 into 3,

Let the new constant to the above equation be
,

Given,if x=1, when z=4

⇒
Now if x=27, then z=?

⇒
⇒
