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dsp73
3 years ago
15

NEED THIS ASAP HELPPP

Mathematics
1 answer:
grin007 [14]3 years ago
7 0

Answer:

Step-by-step explanation:

The answer is D 28 degrees

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What two values of x are roots of the polynomial??
aalyn [17]
The correct answer would be C.
In order to solve for this you must first get the equation equal to 0. Luckily for you, it already is in that form. 
Now knowing this we can use the coefficients of each one in descending order of power as a, b and c. 
a = 4 (because it is the coefficient to x^2)b = -6 (because it is the coefficient to x)c = 1 (because it is the end number)
Now we can plug these values into the quadratic equation. 
\frac{-b +/-  \sqrt{ b^{2} -4ac} }{2a}

\frac{6 +/- \sqrt{ -6^{2} -4(4)(1)} }{2(4)}

\frac{6 +/- \sqrt{ 20 }{8}

And those would be your two answers
5 0
3 years ago
the area of a rectangular plot 30 feet long and 20 feet wide will be doubled by creating a border around the plot. what width sh
Phantasy [73]
The area of the plot is 600 (20x30) and it needs to be 1200 (600x2)
only the width is changed so you divide it by the length which is 30 
1200 divided 30 is 40 so the answer is 40 (another way is to just multiply the width by 2 since it's the only thing changing)

hope this helps :)
5 0
3 years ago
PLSSS HELP IF YOU TURLY KNOW THISS
mafiozo [28]

Answer:

B

Step-by-step explanation:

You don't have do do anything with the denominator because they are the same so simply subtract!

  • 9 - 4 = 5
  • 7 - 3 = 4
  • The denominator stays the same
  • 5 \frac{4}{12}
  • Simplify

= 5 \frac{1}{3}

4 0
2 years ago
Help me with my geometry homework, please
Ksju [112]

Add 8x17 +the biggest number

4 0
4 years ago
Julia 2 identical rooms in her house.if each room measures 8 feet on another , what is the total area of the rooms
olchik [2.2K]

Answer:

64 feet squared

Step-by-step explanation:

8*8=64

3 0
4 years ago
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