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3 years ago

How do you solve n= (2s-1)+(s-1)

Mathematics

1 answer:

IgorC [24]3 years ago

6 0

Answer:

n=3s-2

Step-by-step explanation:

Step 1: Remove unnecessary parentheses (2s-1)

Step 2: Collect "Like Terms" (2s+s= 3s)

Last Step: Put them all together (n=3s - 2)

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How many different 11-letter arrangements can be made using the letters in the word Firecracker?

zhenek [66]

Answer:

Total number of arrangements = 1,663,200

Step-by-step explanation:

Given:

11 - letter

FIRECRACKER

F = 1

I = 1

R = 3

E = 2

C = 2

A =1

K = 1

Find:

Total number of arrangements = ?

Computation:

Note: Repeated letter will be avoid.

$Number\ of\ arrangements = \frac{!11}{!3 \times !2 \times !2}\\\\Number\ of\ arrangements = \frac{!11}{!3 \times !2 \times !2} \\\\Number\ of\ arrangements = \frac{11 \times 10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3}{3 \times 2 \times 2 } \\\\Number\ of\ arrangements = 1,663,200$

Total number of arrangements = 1,663,200

6 0

4 years ago

Subtract.<br>(4x^2 + 8x - 2) - (2x^2 - 4x + 3)<br>Enter your answer, in standard form.

vovikov84 [41]

Answer:

$\large\boxed{(4x^2 + 8x - 2) - (2x^2 - 4x + 3)=2x^2+12x-5}$

Step-by-step explanation:

$(4x^2 + 8x - 2) - (2x^2 - 4x + 3)\\\\=4x^2 + 8x - 2 -2x^2 -(- 4x)- 3\\\\=4x^2+8x-2-2x^2+4x-3\qquad\text{combine like terms}\\\\=(4x^2-2x^2)+(8x+4x)+(-2-3)\\\\=2x^2+12x-5$

5 0

3 years ago

Jack and Jill each bought 100 pounds of cashews. Jack divided his cashews into 23 equal amounts and put them in paper bags. Jill

sladkih [1.3K]

Answer: Jack

Step-by-step explanation:

100÷2=50

50÷23=2.1739130435

50÷18=2.7777.....8

3 0

3 years ago

3100 times 43 how much is this

Soloha48 [4]

Answer:

133,300

Step-by-step explanation:

3100 x 43 = 133,300

7 0

3 years ago

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What does tanx sinx (cos^2x cscx- sinx) simplify to

Elan Coil [88]

Tanx sinx (cos^2x cscx- sinx)

=(sinx/cosx)((cos^2x cscx- sinx)

=(sinx/cosx)((cos^2x 1/sinx- sinx)

=(sinx/cosx)((cos^²x - sin²x)] / sinx

=(sinx/cosx)((cos^²x - sin²x)] / sinx

=(1/cosx)((cos^²x - sin²x)]

=(1/cosx)(2cos²x====> = 2 cos x]

7 0

4 years ago

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