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vovikov84 [41]
3 years ago
9

25 POINTS ---need an explanation

Mathematics
1 answer:
olganol [36]3 years ago
7 0
I suggest you look at the work in the pictures I attached. It examplains how you work out the problem and what the answer is

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Please answer number one thanks
Svetlanka [38]

Answer:

The answer to you're problem is B.

Step-by-step explanation:

136 > -138

7 0
2 years ago
Describe the nature of the roots for this equation.<br> 3x^2+x-5= 0
m_a_m_a [10]

Answer:

<h2>This equation has no natural roots.</h2>

Step-by-step explanation:

3x^2+x-5=0\\\\\text{Use the quadratic formula for}\ ax^2+bx+c=0\\\\x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\\text{For the given equation:}\\\\a=3,\ b=1,\ c=-5\\\\b^2-4ac=1^2-4(3)(-5)=1+60=61\\\\x=\dfrac{-1\pm\sqrt{61}}{(2)(3)}=\dfrac{-1\pm\sqrt{61}}{6}\notin\mathbb{N}

4 0
2 years ago
Read 2 more answers
Triangle J'K'L' shown on the grid below is a dilation of triangle JKL using the origin as the center of dilation: Which scale fa
Free_Kalibri [48]

Triangle JKL has a base that is 1 unit long

Triangle J'K'L' has a base that is 3 units long

3 units / 1 unit = 3

The scale factor is 3.

7 0
3 years ago
Read 2 more answers
Find the length of the hypotenuse of a right triangle whose legs have lengths 4 and 8
Irina18 [472]
Ya gotta use the Pythagorean theorem :)

a² + b² = c²      (reminder: c is the hypotenuse)

4² + 8² = c²

16 + 64 = 80

√80 = 8.94

H = 8.94

6 0
3 years ago
Jordan is trying to figure out how much carpeting he will need for his game room.Which type of measure is this
Agata [3.3K]
You will need to add all the dimensions together, also know as perimeter
3 0
3 years ago
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