Enter > , < , or = to compare the expressions. 45/4 ? 25 - 3

Mathematics

1 answer:

svp [43]3 years ago

7 0

45/4 = 11.25
25 - 3 = 22
11.25 < 22

so, 45/4 < 25 - 3 or 11.25 < 22

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The sum of the measures of angle x and y is 90. If the measures of angle x is 30 less than twice the measures of angle y what is

svp [43]

First set up your two equations:

x + y = 90

x = 2y - 30

Then substitute what x equals in the second equation into the first equation:

(2y -30) + y = 90

Now solve for y:

3y -30 = 90
3y = 120
y = 40

Then use y = 40 and substitute the value for y into one of your original equations and solve for x. I'll choose the first one, but either one will work.

x+ 40 = 90
x = 50

So your solution is x = 50 and y = 40

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