3 years ago

Help me I don't know how to do geometry

Mathematics

1 answer:

timurjin [86]3 years ago

8 0

Area of a parallelogram: A = bh

therefor your answer is 98m²

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-3,6,-9,12,-15 which of the following represents the general term for the sequence give?

Mademuasel [1]

The general term for the sequence $a_{n}=(-1)^{n} 3 n$

<h3><u>Solution:</u></h3>

Given sequence is -3, 6, -9, 12, -15

We have to find the general term of sequence

The terms in the sequence are found out by using the recursive definition:

$a_{n}=(-1)^{n} 3 n$

Let us use this definition to find out the terms and check if it matches our given sequence

$\begin{array}{l}{\text { For } n=1:-(-1)^{n} 3 n=(-1)^{1} \times 3 \times 1=-3} \\\\ {\text { For } n=2:-(-1)^{n} 3 n=(-1)^{2} \times 3 \times 2=1 \times 6=6} \\\\ {\text { For } n=3:-(-1)^{n} 3 n=(-1)^{3} \times 3 \times 3=-1 \times 9=-9} \\\\ {\text { For } n=4:-(-1)^{n} 3 n=(-1)^{4} \times 3 \times 4=1 \times 12=12} \\\\ {\text { For } n=5:-(-1)^{n} 3 n=(-1)^{5} \times 3 \times 5=-1 \times 15=-15}\end{array}$

Thus the general term is given by $a_{n}=(-1)^{n} 3 n$

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3 years ago

Do you think one act of kindness has the power to spread more kindness? Why or Why not?

KatRina [158]

Answer:

yes

Step-by-step explanation:

if you do one good thing for someone eles they would want other people to feel the same way

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3 years ago

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Write a polynomial of least degree with rational coefficients and with the root 3-2 square root of 7

Andrew [12]

Answer:

Wth

Step-by-step explanation:

Idk

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4 years ago

On a city map, 2 inches represents 10 miles. The library and the bank are 5 inches apart on the map. What is the actual distance

Furkat [3]

Direct proportionality
2 inches/ 10 miles = 5 inches / x miles
cross multiply
2x = 50
divide both sides by 2
x = 25
The actual distance between the library and the bank is 25 miles

Hope this helps :)

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3 years ago

Tonya runs 8 kilometres in 60 minutes. At a rate how long would it take her to run 2 kilometers

MatroZZZ [7]

(60 minutes / 8 km)*(2 km) = 60/4 = 15 minutes

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4 years ago

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