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Hatshy [7]
3 years ago
7

7. Which expression is a factor of x² + 2x – 15?

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
7 0

Answer:

(x-3) is the correct expression

Step-by-step explanation:

To factor you split the expression apart -

x² + 2x – 15

This breaks up to (x+5)(x-3)

If you multiply (FOIL) these you get your expression x² + 2x – 15

Your answer choices do not include (x+5) so it must be (x-3)

<em>I hope this helps!</em>

<em></em>

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Find the range of the function for given domain <br> f(x)=2x-7; (-2,-1,0,1,2)
Gelneren [198K]

Answer:

  {-11, -9, -7, -5, -3}

Step-by-step explanation:

Put each domain value into the function to find the corresponding range value. The range is the list of all of those values.

__

  range = f(domain)

  = 2{-2, -1, 0, 1, 2} -7 = {-4, -2, 0, 2, 4} -7

  = {-11, -9, -7, -5, -3} . . . . . the range for the given domain

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If you have a lot of function values to find, a spreadsheet or calculator can be helpful.

4 0
3 years ago
The fence along the length of a ranch measures 4,450.5 meters and the fence along the width of a ranch measures 2,890 meters.
stiv31 [10]
Given:
Length = 4,450.5 meters
Width = 2,890 meters

1 kilometer = 1,000 meters

Length: 4,450.5 meters * 1km/1,000 meters = 4,450.5 km/1,000 = 4.4505km

Width: 2,890 meters * 1km/1,000 meters = 2,890 km/1,000 = 2.89 km

4.4505 km - 2.89 km = 1.5605 km

The length of the fence is 1.5605 km longer than the width of the fence.
4 0
3 years ago
Which best describes the orthocenter of a triangle?
Stolb23 [73]

Answer:

its A

Step-by-step explanation:

Its a because its A =)

7 0
1 year ago
Hope pays $126 for 6 theater tickets.
kati45 [8]

Answer:

294 dollars

Step-by-step explanation:

find out how much 1 ticket cost by driving 6 from 126

then take that answer and multiply it times 14 and that's your answer

4 0
3 years ago
Read 2 more answers
I just need help !! <br><br><br> Points and brainlest !!
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Answer:

0.33

Step-by-step explanation:

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