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lilavasa [31]
2 years ago
8

(4w^2-7w-6)-(8w^2+2w-3) Please show Step-by-Step

Mathematics
2 answers:
Elan Coil [88]2 years ago
7 0

Answer:

-4w^{2}-9w-3

Step-by-step explanation:

So we start with the given expression:

(4w^{2}-7w-6)-(8w^{2}+2w-3)

First, we distribute the negative:

4w^{2}-7w-6-8w^{2}-2w+3

Then, we can combine like terms:

4w^{2}-8w^{2}-7w-2w-6+3

-4w^{2}-9w-3

This is our final answer.

xxMikexx [17]2 years ago
4 0

Answer:

Step-by-step explanation:

(4w^2-7w-6)-(8w^2+2w-3)\\ \\ 4w^2-7w-6-8w^2-2w+3\\ \\ -4w^2-9w-3

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EastWind [94]
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6 0
2 years ago
Pls help me I will give out points
marissa [1.9K]

Answer:

A, the first one

Step-by-step explanation:

On the left side, the graph is going closer to 0, that explains the first coordinate 0. On the right side, the graph approaches positive infinity, so that explains the infinity. I hope this helps!

3 0
2 years ago
Give the parallel cross-section for the following: Cylinder, cone, sphere, and pyramid.
Maurinko [17]

The parallel cross-sections of a cylinder, cone, sphere, and pyramid are a circle, a circle, a circle, and a square.

We are given some solids. Solid geometry, or stereometry, is the traditional name for the geometry of three-dimensional Euclidean spaces in mathematics. Stereometry is concerned with measuring the volumes of various solid figures. The given solids are a cylinder, cone, sphere, and pyramid. We need to find the parallel cross-sections of the given solids. Parallel cross sections are cross sections of a solid that are parallel to each other. A cross section is a straight slice of an object. The parallel cross-sections of a cylinder, cone, sphere, and pyramid are a circle, a circle, a circle, and a square.

To learn more about cross-sections, visit :

brainly.com/question/15541891

#SPJ9

6 0
1 year ago
Tim Worker is doing his budget. He discovers that the average electric bill for the year was $206.00 with a standard deviation o
ivanzaharov [21]

Answer:

  • -2.2
  • 1.4%
  • -0.6
  • 27.4%
  • 26%
<h3>Step-by-step explanation:</h3>

The z-value is computed from ...

... z = (x -µ)/σ

... z = (184 -206)/10 = -2.2 . . . . for $184

... z = (200 -206)/10 = -0.6 . . . . for $200

You can look up these values in a normal distribution table, or you can use an appropriate calculator to find the corresponding percentiles.

... -2.2 corresponds to the 1.390 percentile. (That amount of area is below -2.2 standard deviations from the mean.)

... -0.6 corresponds to the 27.425 percentile.

Subtracting the two percentages gives the percentage of expenses between $184 and $200. That number is 26.035% ≈ 26%.

_____

<em>Comment on the calculator display</em>

The difference that got cut off from the display in the attachment is ...

... 0.2603496703

The <em>normalcdf( )</em> function requires a lower limit. Using -8 standard deviations is effectively equivalent to -∞ for this purpose, as any lower number has no effect on the least-significant digits of the result.

7 0
2 years ago
Your work or words should justify your answer (explain how you know). As a math teacher, Josie frequently makes photocopies of f
Doss [256]

Answer:

Yes, because by dividing x by his equivalent y, you find a constant of proportionality being 10.

x / y = 10

Step-by-step explanation:

20 / 2 = 10

50 / 5 =10

60 / 6 = 10

70 / 7 = 10

7 0
2 years ago
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