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user100 [1]
3 years ago
12

Find the angle of x and y

Mathematics
1 answer:
bogdanovich [222]3 years ago
6 0
the answer is x is 90 y is 35
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Given f(x)=2x2-3, find F(-3)
Paraphin [41]

Answer:

f(-3) = 15

Step-by-step explanation:

f(x)= 2x^2 - 3

Plug in x = -3 into the function

f(-3) = 2(-3)^2 - 3

f(-3) = 18 - 3

f(-3) = 15

3 0
2 years ago
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4 0
3 years ago
To solve the equation for x by completing the square what equation is equivalent to x^2-x-2=0
GuDViN [60]
So to complete the square in
ax^2+bx+c=d form

make sure a=1
subtract c from both sides
take 1/2 of b and square it
add that to both sides
factor perfect square

1x^2-1x-2=0
a=1
move c to other side
add 2 to oth sides
x^2-1x=2
take 1/2 of b and square it
1/2 of -1=-1/2
squaer it
1/4
add that to both sides
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factor left side
(x-1/2)=2+1/4

first blank is 1/2

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blanks are
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3 0
3 years ago
mr.jackson plans to cover his entire kitchen floor with 1 square foot tile. There will be no gaps between the tiles and they wil
Andrei [34K]

Answer:

72 ft

Step-by-step explanation:

8 x 9 = 72.

7 0
3 years ago
The area of a small square patio is 42 square feet. The length of each side of the patio is √42 feet. Between what two whole-num
Mamont248 [21]

Answer:

The answer is A.

Step-by-step explanation:

Because the square root of 42 is about 6 and those two numbers are close to 6.

Hope this helps!

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5 0
3 years ago
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