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3 years ago

Simplify the expression: 4(2x-7) * 6x-7 08x-7 0 2x-28 8x-28

Mathematics

2 answers:

ankoles [38]3 years ago

7 0

So the right answer is of option D.

Look at the attached picture

Hope it will help you...

Good luck on your assignment

~pragya

oksian1 [2.3K]3 years ago

3 0

Answer:

Answer is (d)

Step-by-step explanation:

4(2x - 7)

8x - 28

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Use the table to write a quadratic function in vertex form. Then rewrite the function in standard form.

Kisachek [45]

Answer:

Step-by-step explanation:

The graph decreases at first, then changes direction at (2, 5).

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Plug in (1,11) and solve for a:

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Equation in vertex form:

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3 years ago

The floor of a rectangular room is 300 cm long and 180 cm wide. to carpet the floor? How many small tiles are needed

Vinvika [58]

The number of small tiles are needed is 300 tiles.

<h3>Number of tiles needed</h3>

Using area of rectangular formula

Area of the room = length(l) × breadth (b)

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Number of tiles needed=300 tiles

Therefore the number of small tiles are needed is 300 tiles.

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2 years ago

Furniture store is having a sale where everything is 40% off.Write a function that represents the amount of discount d on an ite

Vladimir79 [104]

Answer:

d = .4p

Step-by-step explanation:

Discount = original price * discount rate

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original price is p

discount = d

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Changing this to decimal form

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3 years ago

Which expression is equivalent to *picture attached*

Sedbober [7]

Answer:

$\sum_{n=3}^{20}(n(n+1))=\sum _{n=3}^{20} n^2+ \sum _{n=3}^{20} n$

Step-by-step explanation:

Given expression : $\sum_{n=3}^{20}(n(n+1))$

Solving further :

$\Rightarrow \sum_{n=3}^{20}(n^2+n)$

$\Rightarrow \sum _{n=3}^{20} n^2+ \sum _{n=3}^{20} n$

So, $\sum_{n=3}^{20}(n(n+1))=\sum _{n=3}^{20} n^2+ \sum _{n=3}^{20} n$

So, The given expression is equivalent to Option A

So, Option A is the answer

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3 years ago

Alvin's age is two times Elga's age. The sum of their ages is 33. What is Elga's age?

Marina CMI [18]

Answer:Elga is 11 because 3 times 11 = 33.

Step-by-step explanation:

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3 years ago

Read 2 more answers