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Svet_ta [14]
3 years ago
12

X² + 3x -4=0 solve by factoring

Mathematics
1 answer:
yaroslaw [1]3 years ago
5 0

Answer:

X=1 and -4

hope this helps you!

(p.s please mark me as brainlyest)

Step-by-step explanation:

tell me if you want/need the explanation why and I'll gladly give it to you.

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Determine whether the function shown in the graph is even or odd.
olganol [36]

Answer:

even

Step-by-step explanation:

An even function is symmetrical about the y- axis.

The graph of the function  given is symmetrical about the t- axis and is therefore even.

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3 years ago
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i need help please! I think I know the answer but for some reason my brain's telling me that it's wrong so if someone could expl
Ivenika [448]

Considering the slopes of the segments, the correct option is:

D. No, because the triangle ABC doesn't have a pair of perpendicular sides.

<h3>When are lines parallel, perpendicular or neither?</h3>

The slope, given by <u>change in y divided by change in x</u>, determines if the lines are parallel, perpendicular, or neither, as follows:

  • If they are equal, the lines are parallel.
  • If their multiplication is of -1, they are perpendicular.
  • Otherwise, they are neither.

Here, we have to find if there are perpendicular segments, that is, if two slopes multiplied have a value of -1, then:

  • mAB = (-7 - 9)/(11 - 1) = -8/5.
  • mAC = (3 - 9)/(-9 - 1) = 3/5.
  • mBC = (3 - (-7))/(-9 - 11) = -1/2.

No sides are perpendicular, hence option D is correct.

More can be learned about slopes at brainly.com/question/20847660

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6 0
2 years ago
Mr. Nelson is buying property in the shape of a triangle to build a new house. If the property costs $42.50 per square foot, how
julsineya [31]
First, you find the area of the figure. Use the formula a=h(b/2)

a=h(b/2)
a=47(98/2)
a=47(49)
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Now, you multiply that by $42.50 to find out how much he will pay. 

2,303x42.50=97,877.50.

He will pay $97,877.50.
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3 years ago
Can someone please help with finding the surface area..
Vsevolod [243]

Answer:

it is 20.5

Step-by-step explanation:

you need to add all of the numbers together

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