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2 years ago

Quick Math, Please Help! Thank you!

Mathematics

2 answers:

Novay_Z [31]2 years ago

6 0

Answer:

The answer is 6!

Step-by-step explanation:

x+4=3x-8

-2x=-12

x=6

lesantik [10]2 years ago

5 0

Answer:

The remaining side has a length of six units.

Step-by-step explanation:

We know that this is an Isosceles triangle because angles A and C are marked as being the same angle. So we know that AB and CB are the same length.

As we're given their lengths, we can simply equate the two, and solve for x:

$x + 4 = 3x - 8\\12 = 2x\\x = 6$

So we know that the remaining side has a length of 6.

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Answer:

x2-6=5x

10x=5x

50x-6=44x

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2 years ago

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2 years ago

Find the complex zeros of x^3+27. write f in factored form

aliina [53]

$x^3+27=0
\\x^3+3^3=0
\\(x+3)(x^2-3x+9)=0
\\x^2-3x+9=0
\\a=1,b=-3,c=9
\\
\\x_{1,2}= \frac{-b\pm \sqrt{b^2-4ac} }{2a} = \frac{-(-3)\pm \sqrt{(-3)^2-4\times1\times9} }{2\times1} =\frac{3\pm \sqrt{-27} }{2} =\frac{3\pm 3\sqrt{3}i }{2} 
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4 0

3 years ago

Help pleaseeeeee thanks i hope u have a good day

VikaD [51]

Answer:

12825$

Step-by-step explanation:

1 yard = 3 ft

we can convert each of the lengths from ft to yards

240 ft = 80 yards

285 ft = 95 yards

450 ft = 150 yards

150+150+95+80 = 475 yards

1 yard of fencing costs 27$ so we are going to multiply that by the total yards

475*27=12825$

4 0

2 years ago

(b) Write 3*3*3*3* 3 as a single power of 3

algol13

Answer:

3⁵

Step-by-step explanation:

3×3×3×3×3=3⁵

You have a mutiplication. The base is 3, the exponent is the count of how many 3 you have. In this multiplication 3 appears 5 times, so 3⁵.

5 0

3 years ago

Read 2 more answers