Given:
Prove:
Solution:
Putting the value of equation (ii) into the equation (i):
putting the value x into the equation (i):
Therefore, the value of x= 4
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(Math) Valentina purchased 200 beads for $48 to make necklaces. If she needs to buy 25 more beads, how much will she pay if she
2 answers:
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Answer:
The new ramp must be 54 inches long than the old ramp to meet the requirement of the new law
Step-by-step explanation:
Old height to length ratio is:
h : l = 2 : 15.
Height of old ramp h = 12
Length of old ramp can be find out by putting h = 12 in the above ratio
Length of old ramp = 90
Height to length ratio by current law:
h : l = 1 : 12
Height will be the same i.e. h = 12
Length of new ramp = 144
How much longer the new ramp should be to meet the new ratio law:
New length - Old length = 144 - 90 = 54 inches
Answer:
x = 9
y = 4
Step-by-step explanation:
Substitution! View images attached ^^
