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Mila [183]
4 years ago
9

Evaluate f(x) = -4x - 5 for x = -1. A. -9 B. -1 C. 1 D. 4

Mathematics
2 answers:
Pavel [41]4 years ago
7 0

Answer:

C

Step-by-step explanation:

joja [24]4 years ago
7 0

Answer:

the answer is c. 1

Step-by-step explanation:

f(x)= -4x -5

f(-1)= -4(-1) -5

f(-1) =4 -5

f(-1)= -1

f(-1/-1) =-1/-1

f= 1

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A rancher owns a rectangular piece of land that is 4.1 mi long and 2.5 mi wide. Find the units for the perimeter of the rectangl
Naddik [55]

Answer:

13.1mi

Step-by-step explanation:

Length(l) = 4.1mi

Breadth(b) = 2.5 mi

Perimeter of a rectangle = addition of all sides that is = l + l + b + b as a rectangle has 2 opposite equal length and also breadth.

Therefore perimeter = 4.1 + 4.1 + 2.5 + 2.5

= 8.1 + 5

=13.1 mi

I hope this was helpful, Please mark as brainliest

8 0
4 years ago
Read 2 more answers
What value of x makes this equation true?
m_a_m_a [10]
2(2)-3=5-2(2)
4-3=5-4
1=1

The correct answer is A
5 0
3 years ago
Read 2 more answers
How to Factor r^2-5r-14
12345 [234]

Answer:

(r-7)(r+2)

Step-by-step explanation:

First, let's look at the -14. Possible factors for that number are (-2, 7) (2, -7) (1, -14) and (-1, 14).

Now, let's look at the -5. How can we make -5 with the pairs that we just found?

The only possible way is 2 and -7 (added together equals -5)

6 0
4 years ago
Read 2 more answers
On a coordinates plane, a line passes through ( - 2 , 3 ) and ( 2 , 6 ). Which of the followings lies on the same line.
Dahasolnce [82]

By direct comparison and definition of <em>line</em> segment  we notice that the point (x, y) = (- 6, 0) lies on the <em>line</em> segment <u>AB</u> as each <u>AP</u> is a multiple of former. (Correct choice: C)

<h3>What point lies on a line segment?</h3>

According to linear algebra, a point lies in a <em>line</em> segment if its vector is a multiple of the vector that generates the <em>line</em> segment itself, that is:

<u>AB</u> = k · <u>AP</u>        (1)

The vector that generates the <em>line</em> segment is:

<u>AB</u> = (2, 6) - (- 2, 3)

<u>AB</u> = (4, 3)

And the vectors related to each point are:

Case A

<u>AP</u> = (- 2, 12) - (- 2, 3)

<u>AP</u> = (0, 9)

Case B

<u>AP</u> = (6, 12) - (- 2, 3)

<u>AP</u> = (8, 9)

Case C

<u>AP</u> = (- 6, 0) - (- 2, 3)

<u>AP</u> = (- 4, - 3)

Case D

<u>AP</u> = (- 6, 6) - (- 2, 3)

<u>AP</u> = (- 4, 3)

By direct comparison and definition of <em>line</em> segment  we notice that the point (x, y) = (- 6, 0) lies on the <em>line</em> segment <u>AB</u> as each <u>AP</u> is a multiple of former. (Correct choice: C)

To learn more more on line segments: brainly.com/question/25727583

#SPJ1

4 0
2 years ago
John wants to magnify the image of a fire ant and a crab spider so they appear to be the same length. How many times their actua
Anna35 [415]
You would have to magnify the Fire Ant five times and the Crab Spider four times to get the answer
7 0
3 years ago
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