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4 years ago

NEED HELP ASAP! ✨PLEASE ANSWER THE QUESTION THX

Mathematics

2 answers:

Natasha_Volkova [10]4 years ago

5 0

Answer:

The second and fourth are the answer

Step-by-step explanation:

Any time you multiply a negative by a postive you get a negative.

so when you mulitply 1 1/2 by -9 and - 1/2 you get a negative.

Dahasolnce [82]4 years ago

3 0

-9 is the correct number

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3 years ago

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3 years ago

Read 2 more answers

Before using the Gizmo, consider an arithmetic sequence with a first term (a1) of 4 and a common difference (d) of 3.

mote1985 [20]

Answer:

Step-by-step explanation:

The nth term of an arithmetic sequence is expressed as $Tn = a+(n-1)d$ .

a is the first term of the sequence

d is the common difference

n is the number of terms

Given the first term a = 4 and common difference d = 3, we can calculate the first five terms of the sequence using the formula.

If n = 2

$T_2 = 4+(2-1)*3\\T_2 = 4+(1)*3\\T_2 = 4+3\\T_2 = 7\\\\when \ n = 3;\\T_3 = 4+(3-1)*3\\T_3 = 4+(2)*3\\T_3 = 4+6\\T_3 = 10\\\\when\ n = 4\\T_4 = 4+(4-1)*3\\T_4 = 4+(3)*3\\T_4 = 4+9\\T_4 = 13\\\\when\ n = 5\\T_5 = 4+(5-1)*3\\T_5 = 4+(4)*3\\T_5 = 4+12\\T_5 = 16\\$

The first five terms of the sequence from lowest to highest are 4, 7, 10, 13 and 16

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3 years ago

What is the area of this figure

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Check the picture below.

$\stackrel{\textit{\Large Areas}}{\stackrel{triangle}{\cfrac{1}{2}(7)(6)}~~ + ~~\stackrel{rectangle}{(2)(4)}~~ + ~~\stackrel{rectangle}{(9)(7)}}\implies 21+8+63\implies 92$

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3 years ago

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Lelu [443]

It is (d)
She has a decrease of $1.25 so d-1.25

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3 years ago

NEED HELP ASAP! ✨PLEASE ANSWER THE QUESTION THX​

NEED HELP ASAP! ✨PLEASE ANSWER THE QUESTION THX