2 years ago

I will give the BRAINEST

Mathematics

1 answer:

Juli2301 [7.4K]2 years ago

5 0

Step-by-step explanation:

answer is B which is 8•5 yds and 8•5√3 yds

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Write a third degree polynomial function that has real zeros -1, -2 and 4

ra1l [238]

Answer:

f(x) = $x^{3} - x^{2} - 10x -8$

Step-by-step explanation:

All you have to do is multiply (x + 1)(x + 2)(x - 4)

You should get $x^{3} - x^{2} - 10x -8$

So, f(x) = $x^{3} - x^{2} - 10x -8$

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3 years ago

Emily drives her car 42 miles in 1 hour. what is her average speed in miles per hour.

Svetradugi [14.3K]

Answer:

65 mph would be the answer

Step-by-step explanation:

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3 years ago

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Math, i can give you brainliset just help me with the two questions :)

Kay [80]

Answer:

2. the interquartile range is 20

3. 80 is the median.

Step-by-step explanation:

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3 years ago

You are enrolled in a wellness course at your college. You achieved grades of 70, 86, 81, and 83 on the first four exams. The fi

Ilya [14]

Note that there are 5 exams altogether: 4 hour exams and 1 final exam. Let the grade on the final be x.

The arith. mean of these 5 grades would be
<span>70+ 86+ 81 + 83 + x
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3 years ago

How do you check 3(2x-5)-4=33 ?

amid [387]

First multiply 2x - 5 by 3 amd will open the brackets

3(2x-5)-4=33

6x - 15 - 4 = 33

6x - 19 = 33

Take -19 to other side and its sign will be become +

6x = 33 + 19

6x = 52

$x \: \: = \frac{52}{6}$

x = 8.6

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3 years ago

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