3 years ago

Simplify: -x - 10.25(16 - 4)

Mathematics

1 answer:

Ilya [14]3 years ago

7 0

Simplified answer: -x-123

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PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

sweet-ann [11.9K]

Answer: $25,500

<u>Step-by-step explanation:</u>

The given sequence {1300, 1300+150, ... } provides the following information:

the first term (a₁) = 1300
the difference (d) = 150

We can use the information above to find the explicit rule of the sequence:

$a_n=a_1+d(n-1)\\.\quad =1300+150(n-1)\\.\quad =1300+150n-150\\.\quad =1150+150n$

We can use the explicit rule to find the 12th term (a₁₂)

$a_n=1150+150n\\a_{12}=1150+150(12)\\.\quad =1150+1800\\.\quad =2950$

Next, we can input the first and last term of the sequence into the Sum formula:

$S_n=\dfrac{a_1+a_n}{2}\times n\\\\S_{12}=\dfrac{a_1+a_{12}}{2}\times 12\\\\.\quad =\dfrac{1300+2950}{2}\times 12\\\\.\quad =\dfrac{4250}{2}\times 12\\\\.\quad =2125\times 12\\\\.\quad =25,500$

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3 years ago

Read 2 more answers

What is the area??????????

alexdok [17]

The bottom trapezoid is
(1/2) * h * (b2 + b1) =
(1/2)*11 * (31+25)
(1/2) * 11 * 56
308

The top parallelogram is
b * h = 12 * 14 = 168
308 +168 = 476 ft^2
Letter B

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3 years ago

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ELEN [110]

You do 48 divided by 2 so that you can put in your answer. any other questions ask me

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4 years ago

A bakery used 30% more sugar this month than last month. If the bakery used 560 kilograms of sugar last month, how much did it u

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