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OpenStudy (anonymous):
OpenStudy (anonymous):
8.66
OpenStudy (anonymous):
OpenStudy (anonymous):
a. b. c. or d.
OpenStudy (anonymous):
i think its 8.66025403784 im not that good at this but you can make it into 8.66
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OpenStudy (anonymous):
B
OpenStudy (anonymous):
thx :D
OpenStudy (anonymous):
more questins though
OpenStudy (anonymous):
You're welcome (:
OpenStudy (anonymous):
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OpenStudy (anonymous):
A.
5.6
B.
5.2
C.
5.1
D.
OpenStudy (anonymous):
It's A
OpenStudy (anonymous):
Which is a rational number?
OpenStudy (anonymous):
B
OpenStudy (anonymous):
The lengths of the legs of a right triangle are 15 cm and 20 cm.
What is the length of the hypotenuse?
A.
5.92 centimeters
B.
25 centimeters
C.
13.23 centimeters
D.
35 centimeters
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OpenStudy (anonymous):
B
OpenStudy (anonymous):
Pythagroean Theorem
Hypotenuse = square root of (15^2 + 20^2)
Hypotenuse = square root of (225 + 400)
Hypotenuse = square root of (625)
Hypotenuse = 25
Hypotenuse = 25 cm
OpenStudy (anonymous):
please stick with me only a few left :D *puppy eyes*
What are the solutions to the equation x2 = 49?
A.
7 only
B.
7 and –7
C.
24.5 only
D.
24.5 and –24.5
OpenStudy (anonymous):
it'd be B
OpenStudy (anonymous):
\[7^2=49\] and then \[-7^2=49\] because \[-7\times-7=49\]
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OpenStudy (anonymous):
lol it's weird how this test is made everthing is b
OpenStudy (anonymous):
The length of one leg of a right triangle is 20 ft and the length of the hypotenuse is 52 ft.
What is the length of the other leg?
A.
5.7 feet
B.
32.0 feet
C.
48.0 feet
D.
70.8 feet
OpenStudy (anonymous):
lol sorry went brb ill find it right now
OpenStudy (anonymous):
It's C
OpenStudy (anonymous):
ok
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OpenStudy (anonymous):
just three more questions :D
OpenStudy (anonymous):
A.
8 and 9
B.
9 and 10
C.
10 and 11
D.
11 and 12
OpenStudy (anonymous):
just incase you wanted to know how i did it.
\[20^2+B^2=52^2\]
\[400+B=2704\]
\[B^2=2304\]
\[\sqrt{2304}=48\]
OpenStudy (anonymous):
ok thx :D
OpenStudy (anonymous):
that one is D
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OpenStudy (anonymous):
wait.. lemme re do that one to amke sure.
OpenStudy (anonymous):
Make*
OpenStudy (anonymous):
Which choice correctly identifies the hypotenuse and legs of the right triangle?
OpenStudy (anonymous):
it's actually C between 10 and 11.
OpenStudy (anonymous):
Legs: PQ and QR Hypotenuse: PR
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OpenStudy (anonymous):
ok thx
OpenStudy (anonymous):
Haha yeah you're welcome anytime.
OpenStudy (anonymous):
LAST question
OpenStudy (anonymous):
square tray has an area of 196 square inches.
What is the length of one side of the tray?
A.
12 inches
B.
13 inches
C.
14 inches
D.
16 inches
OpenStudy (anonymous):
it's C
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OpenStudy (anonymous):
thx for everthign :D
OpenStudy (anonymous):
You're welcome haha Good luck to you!
OpenStudy (anonymous):
I managed to pass it thx it was real important or I would be spending the whole DAY working on it
OpenStudy (anonymous):
Haha anytime, Goodluck to you if you need any help on any other Math questions just message me! :)