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3 years ago

Which of the following is an arithmetic sequence?

Mathematics

2 answers:

Novosadov [1.4K]3 years ago

7 0

The answer is B or C

OLEGan [10]3 years ago

5 0

The correct answer is:
B) -8, -6, -4, -2, ...
The reason it is correct is because, all arithmetic sequential numbers consist of a constant difference between each number.

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dimulka [17.4K]

Answer:

Step-by-step explanation:

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3 years ago

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Find the area of the shape shown below. I NEED HELP NOWWWWWW

Varvara68 [4.7K]

Answer:

<h2> 12.5 units ${}^{2}$ </h2>

Step-by-step explanation:

Given figure : Trapezoid

Base sides,

a = 2.5

b = 7.5

Height ( h ) = 2.5

Now, finding the area:

$\frac{1}{2} (a + b) \times h$

Plug the values

$= \frac{1}{2 } \times (2.5 + 7.5) \times 2.5$

Calculate the sum

$= \frac{1}{2} \times 10 \times 2.5$

Reduce the numbers with G.C.F 2

$= 5 \times 2.5$

Calculate the product

$12.5 \: \: {units}^{2}$

Hope this helps...

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3 years ago

Given: an n-gon Prove: The sum of the measures of the interior angles is 180(n – 2)°. Complete the missing parts of the paragrap

icang [17]

Given: an n-gon

Prove: The sum of the measures of the interior angles is 180(n – 2)°.

Complete the missing parts of the paragraph proof.

We are given an n-gon, which has n sides and n vertices.

Answers:

1. If we choose one of the vertices, we can draw n-3 diagonals.

2. These diagonals form n-2 triangles.

3. The sum of the interior angle measures of a triangle is 180 degrees.

4. n – 2 triangles would have an interior angle measure sum of 180 degrees.

5. Therefore, the sum of the measures of the interior angles of an n-gon is 180(n – 2)°.

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3 years ago

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PLEASE HELP: Find the measure of each angle in the isosceles

erma4kov [3.2K]

Answer:

gtntt4bgt4thn

Step-by-step explanation:

3 0

3 years ago

Abdul bought a desktop computer and a laptop computer. Before finance charges, the laptop cost $150 more than the desktop. He pa

slavikrds [6]

Answer:

The cost of desktop before finance charge was $1750.

The cost of laptop before finance charge was $1900.

Step-by-step explanation:

Let us assume this is a simple interest scenario.

Let D be the cost of desktop

Let L be the cost of laptop

Given- the laptop cost $150 more than the desktop.

So, $L=D+150$

The total finance charge for 1 year is given by :

$0.07D+0.095L =303$

Substituting the value of L here, we get;

$0.07D+0.095(D+150) =303$

=> $0.07D+0.095D+14.25 =303$

=> $0.165D+14.25 =303$

=> $0.165D=303-14.25$

=> $0.165D=288.75$

D = $1750

As $L=D+150$

So, $L=1750+150=1900$

L = $1900

We can check this :

$0.07(1750)+0.095(1900) =303$

=> $122.50+180.50=303$

=> $303=303$

So, the cost of desktop before finance charge was $1750.

The cost of laptop before finance charge was $1900.

3 0

4 years ago