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bonufazy [111]
3 years ago
11

The following information matrices shows how many of each vehicle type sold and the bonus amount

Mathematics
1 answer:
Ber [7]3 years ago
4 0

Do you know the answers to 8.4 quiz?

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The function sin 0 is reciprocal of cot 0.<br><br> True <br> False
Leni [432]

Answer: False

Step-by-step explanation:

This is because sin 0 is equal to 0 but cot 0 is equal to undefined

5 0
3 years ago
| x - 1 | = 5x + 10<br> Check for extraneous solutions.
Ronch [10]
[x-1]=5x+10

We have two equations:
1) x-1=5x+10

x-1=5x+10
x-5x=10+1
-4x=11
x=-11/4

2) x-1=-(5x+10)

x-1=-(5x+10)
x-1=-5x-10
x+5x=-10+1
6x=-9
x=-9/6=-3/2

we have two  possible solutions:
solution₁;       x=-11/4
solution₂:       x=-3/2

we check it out:
1) x=-11/4
[x-1]=5x+10
[-11/4  - 1]=5(-11/4)+10
[(-11-4)/4]=-55/4  + 10
[-15/4]=(-55+40) /4
15/4≠-15/4   This solution don´t work.

2) x=-3/2
[x-1]=5x+10
[-3/2  - 1]=5(-3/2)+10
[(-3-2)/2]=-15/2  + 10
[-5/2]=(-15+20)/2
5/2=5/2; this solution works.

Therefore:

Answer: x=-3/2.
8 0
3 years ago
Read 2 more answers
How to find slope and y intercept
Sergio [31]
Slope is rise over run
7 0
4 years ago
Read 2 more answers
Someone plzzzz help I don’t get this at all
Alex73 [517]

Answer:

Option B

Step-by-step explanation:

The slope of the line BC is,

\frac{ - 2 - 8}{7 - 3}

=  \frac{ - 10}{4}  =   - \frac{5}{2}

Since AD is altitude to BC, we can say AD is perpendicular to BC, so the slope of the line AD which is perpendicular line to BC will be,

\frac{2}{5}

3 0
3 years ago
HELP PLEASE
alexandr1967 [171]

Answer:

I attached the image that has all of the elements. If I missed something, please let me know and I will fix it.

8 0
3 years ago
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