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ycow [4]
3 years ago
12

Rewrite the function by completing the square. f(x) = x² +6x+87

Mathematics
1 answer:
o-na [289]3 years ago
8 0
F(x) = ( x + 3 ) ^2 + 78 is your answer.
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Simplify the expression below. (-3x2 + 2x - 4) + (4x2 + 5x +9)
TiliK225 [7]

Answer: =x2+7x+5

Step-by-step explanation:

−3x2+2x−4+4x2+5x+9

=−3x2+2x+−4+4x2+5x+9

Combine Like Terms:

=−3x2+2x+−4+4x2+5x+9

=(−3x2+4x2)+(2x+5x)+(−4+9)

=x2+7x+5

Answer:

=x2+7x+5

4 0
3 years ago
Read 2 more answers
The image of trapezoid PQRS after a reflection across Line W Y is trapezoid P'Q'R'S'. 2 trapezoids are shown. Line W Y is the li
RoseWind [281]

Answer:

90

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Help me pleaseeee :)
nata0808 [166]

Answer:

for a) the following answers are in order from left to right.

5, 2, 2, and 10

for b) this is the square root of three: 1.73205080757 [u can round it to the first decimal place urself! :)]

Step-by-step explanation:

b) 4 = x^2 + 1

4 - 1 = x^2 - 1

3 = x^2

so the sqaure root for 3 is 1.73205080757

5 0
3 years ago
The set of whole numbers includes ______ and all positive integers
victus00 [196]
<span>The set of whole numbers includes zero, all negative integers, and all positive integers. Be sure to exclude any decimals, fractions etc. Good luck~ c:</span>
7 0
3 years ago
If a phone plan allows for 698 minutes each month, and Jorge uses 475 minutes by the end of the second week, what percent of his
Juli2301 [7.4K]
Well I'm doing it an easy way but 50% or half of 698 is about 350.

475 is slightly above 350 so the answer would be 68%
5 0
3 years ago
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