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4 years ago

I need help with this ASAP

Mathematics

2 answers:

mezya [45]4 years ago

7 0

The slope is a -2/1 or just -2 and it’s negative because the line it’s going down

belka [17]4 years ago

3 0

Answer:

The slope is negative 2 or (-2)

Step-by-step explanation:

Y2 - Y1

----------

X2 -X1

(0,2)

(1,0)

2 - 0

------- = 2/-1 = -2

0 - 1

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Evaluate the expression 72/x2-2 for x=3

Rzqust [24]

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3 years ago

The perimeter is 110 in. The length of the rectangle is 4 times as long as the width. what is the width of the rectangle? ill ma

alexgriva [62]

To start, let's define our variable, which is x. x will represent the width of the rectangle. Next, since you know that the length is 4 times as long as the width, it will be represented by 4x. Now, since you know that the perimeter of a figure is the sum of the length of all the sides of the rectangle, you can express the perimeter with this expression: 4x+4x+x+x
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3 years ago

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Lyrx [107]

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7 0

3 years ago

Read 2 more answers

Given the sequence in the table below, determine the sigma notation of the sum for term 4 through term 15. N an 1 4 2 −12 3 36 t

Rzqust [24]

By applying basic property of Geometric progression we can say that sum of 15 terms of a sequence whose first three terms are 5, -10 and 2 is $\sum_{n=4}^{15} 5(-2)^{n-1}$$$

<h3>What is sequence ?</h3>

Sequence is collection of numbers with some pattern .

Given sequence

$a_{1}=5\\\\a_{2}=-10\\\\\\a_{3}=20$

We can see that

$\frac{a_1}{a_2}=\frac{-10}{5}=-2\\$

and

$\frac{a_2}{a_3}=\frac{20}{-10}=-2\\$

Hence we can say that given sequence is Geometric progression whose first term is 5 and common ratio is -2

Now $n^{th}$ term of this Geometric progression can be written as

$T_{n}= 5\times(-2)^{n-1}$

So summation of 15 terms can be written as

$\sum_{n=4}^{15} T_{n}\\\\$\\$\sum_{n=4}^{15} 5(-2)^{n-1}$$$

By applying basic property of Geometric progression we can say that sum of 15 terms of a sequence whose first three terms are 5, -10 and 2 is $\sum_{n=4}^{15} 5(-2)^{n-1}$$$

To learn more about Geometric progression visit : brainly.com/question/14320920

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3 years ago