4 years ago

ILL GIVE BRAINLIEST!! HELP

1 answer:

5 0

C.3 because if you take the first 3 numbers and put a line over it it means repeated plus it would be ridiculous to write a number for infinite

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Henry had 3 times as many CDs as roger. Sandy has 9 more CDs than Henry. If roger has Y CDs, how many more CDs does sandy have t

Mashutka [201]

Let H = Henry
Let R = Roger
Let S = Sandy

H = 3R -> H = 3y
S = 9 + H -> S = 9 + 3y
R = y
Sandy has 3y + 9 CDs more than Roger.

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3 years ago

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Leora is finding the length of a horizontal line segment on a coordinate grid She subtracted the x coordinates and got

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Step-by-step explanation:

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What is the sum of the series 3,---5,-13..........-229

Tpy6a [65]

ANSWER

$S_{30}= - 3390$

EXPLANATION

The given sequence is

3,-5,-13,.....-229.

The first term of this sequence is

a_1=3

There is a common difference of

$d = - 5 - 3 = - 8$

The last term of this sequence is -229.

The nth term of this sequence is given by:

$a_n=a_1+d(n-1)$

We use the last term to determine the number of terms in the sequence.

$- 229 = 3 + - 8(n - 1)$

$- 229 - 3= - 8(n - 1)$

$- 232= - 8(n - 1)$

Divide through by -8;

$29= (n - 1)$

$n = 30$

Hence there are thirty terms in the sequence.

The sum of the first n terms is given by:

$S_n= \frac{n}{2} ( a_{1} + l)$

The sum of the first 30 terms is given by:

$S_{30}= \frac{30}{2} ( 3 + - 229)$

$S_{30}=15( - 226)$

$S_{30}= - 3390$

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3 years ago

Angela spent $48.00 on a sweatshirt, a hoagie, and 2 books. The sweatshirt cost $18.95, and the hoagie cost $7.25. The books cos

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$90 because u have to multiply

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3 years ago

Please help the correct awnser gets brainlist

Artyom0805 [142]

Answer:

Answer is D)14

Step-by-step explanation:

if u convert 3 1/2 into an improper fraction then it should look lie 7/2 the multiply that by 4 which equal 28/2 then divide that and it will equal 14

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