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STatiana [176]
3 years ago
5

What does z equal in 4z+5=-3z-8

Mathematics
1 answer:
Mars2501 [29]3 years ago
4 0
The first step to solve this equation is to move the variable to the left side of the equation and change its sign
4z + 3z + 5 = -8
Move the constant to the right side of the equation and change its sign
4z + 3z = -8 - 5 
Collect the like terms on the left side of the equation
7z = -8 - 5
Calculate the difference
7z = -13
Lastly,, divide both sides of the equation by 7 to find out what z is
z = -\frac{13}{7}
This means that z in your equation is -\frac{13}{7},, or 1\frac{6}{7} when simplified.
Let me know if you have any further questions
:)
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PLS help me fast!!!!
Radda [10]

Answer:

The correct option is 1.

Step-by-step explanation:

It is given that the box plot shows the number of books sold each day at a store for 80 days.

A box plot is drawn with end points at 0 and 16.  It means minimum value is 0 and maximum is 16.

The box extends from 2 to 12. It means first quartile is 2 and the third quartile is 12. A vertical line is drawn inside the box at 7, it means median is 7.

He have to find the number of days in which the bookstore sell 2 to 12 books.

2 is first quartile and 12 is third quartile, we know that

Q_1=25\%

Q_3=75\%

Q_3-Q_1=75\%-25\%=50\%

The data lies between Q₁ and Q₃ is 50% of the data.

80\times \frac{50}{100}=40

The bookstore sell 2 to 12 books in 40 days.

Therefore, the correct option is 1.

5 0
3 years ago
Read 2 more answers
The set of points W(4, 4), X(6, 2), Y(-8, 16) are collinear and the line has a slope of ____.
Anton [14]

Answer: -1

Step-by-step explanation:

Given: The set of points W(4, 4), X(6, 2), Y(-8, 16) are collinear

The slope of a line passing through points (a,b) and (c,d) is given by :-

m=\frac{d-b}{c-a}

Now, the slope of line passing through W(4, 4), X(6, 2) is given by :-

m=\frac{6-4}{2-4}=\frac{2}{-2}=-1

Hence, the slope of line passing through W(4, 4), X(6, 2), Y(-8, 16) =-1

6 0
4 years ago
Pls help teacher will not
Cloud [144]

Answer:

For the first blank box, it would be 2, and for the second blank box, 40

Step-by-step explanation:

As we are told, we need 3 sticks of butter for every 24 cookies. We can make this simple by figuring out how many cookies we can make with one stick of butter.

To do this is easy: 24 divded by 3 = 8

So 8 cookies per stick of butter

16 cookies would be 2 sticks of butter  (as 8 x 2 is 16, and there's 8 cookies per butter stick)

and with 5 sticks of butter, we do (5 x 8 ) which equals 40

Hope this helped !

6 0
3 years ago
Read 2 more answers
Find the value of y in the parallelogram.
enot [183]
Y = 49 degrees. 29 + 102 = 131 and every triangle has an angle sum of 180. 180 - 131 = 49.
6 0
3 years ago
What is 6a²+29a+40=5
almond37 [142]
14^a is your answer hope i helped you
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6 0
3 years ago
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