39 is 25% of 156.
Work: 156 x 0.25 = 39 which means that 25% of 156 is 39.
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Answer:
UT is the right angle triangle.
where UV is 8cm
TV:17cm
UV:?
Angle:UTV:60
UT is a right angle triangle
Answer:
25 meters
Step-by-step explanation:
Answer:
X is 45
X-15=30
X=30+15
X=45
Step-by-step explanation:
i hope that hepled :)
X= increased amount
L= length
W= width
The area formula is Area= L * W. Since length and width are increased, we need to increase each before adding them to the formula.
L= 12 + x
W= 14 + x
L * W= Area
(12 + x) (14 + x)= 288
multiply each parentheses
(12*14) + (12*x) + (x*14) + (x*x) = 288
168 + 12x + 14x + x^2= 288
x^2 + 26x + 168= 288
subtract 288 from both sides
x^2 + 26x - 120= 0
factor with two numbers that add to 26 and multiply to -120
(x - 4) (x + 30)= 0
set each number equal to zero
x - 4= 0
x= 4
x + 30= 0
x= -30
ANSWER: Length and width are both increased by 4 feet. -30 cannot be a solution because it is negative and we know the answer has to be a positive number.
Hope this helps! :)
