Answer:
25 kilometers per hour
Step-by-step explanation:
I just simply made it into a proportion of 50/2=x/1 and 50 divided by 2 is 25. hopefully that help you.
Answer:
y=53x-7
Step-by-step explanation:
5x-3y=21
-3y=-5x+21
divide by 3
y=5/3x-7
ANSWER
False
EXPLANATION
The tangent function has no amplitude because it is not bounded.
The given tangent function is

This is of the form
f(t)=a tan(bt)
The period is given by


The first statement is true but the second is false.
Hence the whole statement is false.
Let x be the amount of cement and y be the amount of sand. If <span>the ratio of cement to sand for mortar is 1:3, then

and y=3x.
</span>
So, if <span>Sandy puts in x=7 shovels of cement, then she puts

shovels of sand.
</span><span>
</span><span>
Answer: 21 shovels of sand.
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