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3 years ago

Rewrite in simplest terms: -3(-10d+8)+3d−3(−10d+8)+3d

1 answer:

7 0

-3(-10d + 8) + 3d - 3(-10d + 8) + 3d
= 30d - 24 + 3d + 30d - 24 + 3d
= (combining like terms)
= 30d + 3d + 30d + 3d - 24 - 24
= 66d - 48
= 66d/6 and -48/6
= 11d - 8

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Write 450% as an fraction in simplest term

Cloud [144]

Percent is simply /100, so the fraction would be 450/100. Divide both top and bottom and you will get 9/2, or 4 1/2

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4 years ago

4/5r = 10<br><br> What is the value of r?

lukranit [14]

Answer:

12.5

Step-by-step explanation:

4/5r=10

multiply each side with 5

4/5r*5=10*5

4r=50

divide 4 from each side

4r/4=50/4

r= 12.5

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3 years ago

Write and graph the inverse variation in which y = 12 when x = –4. URGENT!!!!!!!

Hitman42 [59]

$12=\frac{k}{-4} \\k = -48$

Therefore: $y=\frac{-48}{x}$

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3 years ago

Given the sequence 8, 16, 32, 64, ..., which expression would give the thirteenth term?

mrs_skeptik [129]

8, 16, 32, 64,…
×2 ×2 ×2

$a_{n} = a_{1} * r^{n - 1}$
$a_{n} = 8 * 2^{13 - 1}$
$a_{n} = 8 * 2^{12}$
$a_{n} = 8 * 4096$
$a_{n} = 32768$

   First Term: 8
      Second Term: 16
      Third Term: 32
      Fourth Term: 64
       Fifth Term: 128
      Sixth Term: 256
   Seventh Term: 512
   Eighth Term: 1024
   Ninth Term: 2048
      Tenth Term: 4096
   Eleventh Term: 8192
   Twelfth Term: 16384
Thirteenth Term: 32768

$The\ expression\ that\ would\ give\ the\ thirteenth\ term\ of\ the\ problem\ would\ be\ the\ equation\ of\ the\ geometric\ sequence,\ which\ is\ equal\ to\ a_{n} = a_{1} * r^{n - 1}.$

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4 years ago

Read 2 more answers

Answere 1-4 PLEASE I really need help I will give thanks

Gnesinka [82]

2*2*2= 8
13*1= 13
2*3*5=30
2*5*5= 50

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4 years ago