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storchak [24]
3 years ago
15

Multiply: -z^3(5 + z - 4z^2)

Mathematics
2 answers:
Margaret [11]3 years ago
8 0
—4 (-z^3) z^2 + z (—z^3) + 5 (—z^3)
ohaa [14]3 years ago
5 0

Answer:

4z^5 - z^4 - 5z³

Step-by-step explanation:

-5z³ - z^4 + 4z^5

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Pls help
Karolina [17]

Answer:

D

Step-by-step explanation:

If we look at the right side of the equation we see that the y-intercept is 2, so we will place a point on (0,2).

Next, we look to see if the slope of the graph if positive or negetive, and to see what is the slope (2x).

Finally, we look at the inequality if it is greater than (>), less than (<), greater than or equal to (_>), or less than or equal to (<_).

*Note the following:

if < then the line is dotted and the shading will be under the line.

if > then the line is dotted and the shading will be above the line.

if <_ then the line is solid and the shading will be under the line.

if _> then the line is solid and the shading will be above the line.*

It is a lot of information if you look at it, but with practice it can be made easier.

8 0
3 years ago
Calculate (7y + 120) + (5y +168) = 180
saul85 [17]

Answer:

y = -9

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

3 0
3 years ago
SHAWTY A LIL BXDDIE SHEE LIL MEHHH PUTANGGGG ;) MUHAHAH Imao
daser333 [38]

Answer:

i can agree with that muhahaha

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
If you spend $55 for transportation and clear $250 a month, what percent of your income do you spend on transportation? Round to
defon

Answer:

55.0 or 60 i don't know,i just got those answers

Step-by-step explanation:

7 0
3 years ago
A pool measuring 18 meters by 22 meters is surrounded by a path of uniform width. If the area of the pool and the path combined
suter [353]

Answer: the width of the uniform path is 9 meters.

Step-by-step explanation:

Let x represent the width of the uniform path.

A pool measuring 18 meters by 22 meters is surrounded by a path of uniform width. It means that the combined length of the pool and the uniform path is (18 + 2x) meters and the combined width of the pool and the uniform path is (22 + 2x) meters.

If the area of the pool and the path combined is 1440 square meters, it means that

(18 + 2x)(22 + 2x) = 1440

396 + 36x + 44x + 4x² = 1440

4x² + 80x + 396 - 1440 = 0

4x² + 80x - 1044 = 0

Dividing both sides of the equation by 4, it becomes

x² + 20x - 261 = 0

x² + 29x - 9x - 261 = 0

x(x + 29) - 9(x + 29) = 0

x - 9 = 0 or x + 29 = 0

x = 9 or x = 29

Since the width cannot be negative, then x = 9 meters

5 0
2 years ago
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