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Zarrin [17]
3 years ago
11

-(7z-6)+9z-3 simplify

Mathematics
2 answers:
storchak [24]3 years ago
7 0

Answer:

2x + 3

Step-by-step explanation:

Step 1:

- ( 7z - 6 ) + 9z - 3

Step 2:

- 7z + 6 + 9z - 3

Step 3:

2z + 6 - 3

Answer:

2x + 3

Hope This Helps :)

Bezzdna [24]3 years ago
4 0

Answer:

<h2>2z + 3</h2><h2 />

Step-by-step explanation:

-(7z - 6) + 9z - 3

= - 7z + 6 + 9z - 3

= 2x + 3

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Will the sum of 2x3 + x2 - 4 and -5x² - 6x? be a polynomial?<br> yes<br> no
Eva8 [605]

Answer:

Yes

Step-by-step explanation:

Since we are adding two polynomials

The sum will also be polynomial

4 0
3 years ago
Line E'F' has endpoints located at E'(1,0) and F'(1,3). Line EF was dilated by a scale of 1/2 from the orgin. Which statement de
Lerok [7]

Answer:

If line EF was dilated by a scale of 1/2 from the origin to get line E'F', then if line E'F' is dilated by a scale of 2 from the origin, EF is obtained. Also, the length of EF is double than the length of E'F'.

Dilation by a scale of 2 from the origin transforms point (x,y) into (2*x, 2*y)

E'(1,0) -> E(2,0)

F'(1, 3) ->F(2, 6)

length of E'F': 3

length of EF: 6

6 0
3 years ago
A high school has 36 players on the football team. the summary of the players' weights is given in the box plot. what is the int
Komok [63]

The interquartile range of the players' weights = 48 pounds.

The boxplot attached to this question is missing. It was obtained online and is attached to this solution of the question.

It should be noted that the following is true for a boxplot.

A box plot gives a visual representation of the distribution of the data, showing where most values lie and those values that greatly differ from the rest, called outliers.

The elements of the box plot are described thus;

The bottom side of the box represents the first quartile, and the top side, the third quartile. Therefore, the width of the central box represents the inter-quartile range.

The horizontal line inside the box is the median.

The lines extending from the box reach out to the minimum and the maximum values in the data set, as long as these values are not outliers. The ends of the whiskers are marked by two shorter horizontal lines.

Variables in the dataset, higher than Q3+(1.5×IQR) or lower than Q1-(1.5×IQR) are considered outliers and are usually shown using dots above the top whisker or below the bottom whisker.

So, it is evident that for this question,

First quartile = 174 pounds

Third quartile = 222 pounds

Inter Quartile Range = (Third quartile) - (First quartile)

= 222 - 174

= 48 pounds.

To know more about "interquartile"

Refer this link:

brainly.com/question/16988652

#SPJ4

6 0
2 years ago
Kara has four boy cousins and three girl cousins. Write a fraction to represent the part of her cousins that are girls.
earnstyle [38]

Answer:

it would be 3/7

Step-by-step explanation:

3+4=7 3 cousins out of the seven are girls

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3 years ago
Evaluate -5x+8 when x=3
dolphi86 [110]

Answer:

-7

Step-by-step explanation:

6 0
3 years ago
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