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Tresset [83]
3 years ago
5

−7x−9 from -4x^2+3x-5−4x 2 +3x−5.

Mathematics
1 answer:
Likurg_2 [28]3 years ago
8 0

Answer:

− 4 x ^2 + 2 x − 8

Step-by-step explanation:

Subtract 4 x from 3x. (-4x^2+3x-5−4x)

= -4x^2-x-5

Subtract  5  from  2  (2 +3x−5)

= 3x-3

Put it together (-4x^2-x-5+3x-3)

Simplify the expression.

Answer = -4x^2+2x-8

You might be interested in
A circle with radius of 5 cm sits inside a 11 cm * 11 cm rectangle.
Nadusha1986 [10]

Answer:

42.43  cm^{2}

Step-by-step explanation:

Given:

A circle with a radius of 5 cm sits inside a 11 cm x 11 cm rectangle.

Question asked:

What is the area of the shaded region as shown in the figure ?

Solution:

First of all calculate area of circle and then area of rectangle:-

Area\ of\  cirle=\pi r^{2}

                      =\frac{22}{7} \times5\times5\\ \\ =\frac{550}{7}\\  \\=78.571\   cm^{2}\\

<u>As here length an width both are 11 cm, we can say that this is a square.</u>

<u />Area\ of\ square=(Side)^{2}

                         =11\times11=121\ cm^{2}

Now, area of shaded region = Area of square - Area of circle

                                               = 121 - 78.571 = 42.429 cm^{2}

Therefore, the area of the shaded region will be 42.43  cm^{2}

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5 0
3 years ago
Help pls I don’t get it
Dmitriy789 [7]
68.40 divide 6 = 11.4

41.80 divided 4= 10.45
Plan B is lower fee per lesson
8 0
4 years ago
Read 2 more answers
A paragraph proof
Butoxors [25]

A paragraph proof D. contains a set of sentences explaining the steps needed to reach a conclusion.

<h3>What is a paragraph proof?</h3>

It should be noted that a paragraph proof simply means a way of presenting a mathematical proof.

In this case, it contains a set of sentences explaining the steps needed to reach a conclusion.

In conclusion, the correct option is D.

Learn more about proof on:

brainly.com/question/17888884

#SPJ1

4 0
2 years ago
You have a small business making and delivering box lunches. You calculate your average weekly cost y of producing x lunches usi
kogti [31]

250 lunches are produced by the small business in last week.

<u>Step-by-step explanation:</u>

It is given that,

  • y ⇒ the average cost per week.
  • x ⇒ the number of lunches produced per week.

The function relating these two factors x and y is given as y = 2.1x + 75

  • The cost of the last week is y = $600.
  • The lunches made last week is x = unknown.

<u>To find the value of x :</u>

Substitute y= 600 in the given function,

⇒ 600 = 2.1x + 75

⇒ 2.1x = 600 - 75

⇒ x = 525 / 2.1

⇒ x = 250

Therefore, the lunches prepared last week is 250.

6 0
4 years ago
4.) Order the following decimals from greatest to least.<br> 15.9<br> 9.5<br> 1.95<br> 9.15<br> 1.59
olya-2409 [2.1K]
1.59, 1.95, 9.15, 9.5, 15.9
3 0
3 years ago
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