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CaHeK987 [17]
2 years ago
13

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

8 0
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:


7 0
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:

have a nice day.

8 0
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
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</span>                   course grade = arith. mean = -------------------------------------
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4 0
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

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

6x = 33 + 19

6x = 52

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

x = 8.6

3 0
3 years ago
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