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2 years ago

The label on the box says the bookshelf is 5151 inches tall. How tall is it in feet?

Mathematics

1 answer:

romanna [79]2 years ago

4 0

We know, 1 inch = 1/12 feet
so, 5151 inch = 5151 * 1/12 = 429.5

So, your final answer is 429.5

Hope this helps!

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Simplify (-36x)(-1/3)(2/9)(-4y)

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Answer:

$\frac{32xy}{3}$

Step-by-step explanation:

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3 years ago

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2 years ago

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Let f(x) = x2 − 3x − 7. Find f(−3).

elena55 [62]

Answer:

f(-3) = 11

Step-by-step explanation:

To evaluate f(-3), substitute x = - 3 into f(x)

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3 years ago

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Your math teacher gives you an extra credit problem to figure out her age. Half of her age three years

MatroZZZ [7]

Answer:

Teacher is 27 years old

Step-by-step explanation:

(1/2)(t - 3) = (1/3)(t + 9)

multiply by 6 to clear the fraction

3(t - 3) = 2(t + 9)

Distribute

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Subtract 2t from both sides

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Teacher is 27 years old

6 0

2 years ago

Please answer soon I need this answer very quickly for math. Thank you!

Kazeer [188]

a. First five terms: 9,13,17,21,25

b. Sum of first 25 terms = 1425

c. The given sequence is an arithmetic sequence because the common difference between two consecutive terms is same.

Further explanation:

Given

Formula of sequence

$a_n=4n+5$

1. First 5 terms:

For first 5 terms, we have to put n=1,2,...5,

So,

$For\ n=1\\a_1=4(1)+5\\=4+5\\=9\\For\ n=2\\a_2=4(2)+5\\=8+5\\=13\\For n=3\\a_3=4(3)+5\\=12+5\\=17\\For\ n=4\\a_4= 4(4)+5\\=16+5\\=21\\For\ n=5\\a_5=4(5)+5\\=20+5\\=25\\First\ 5\ terms\ are: 9,13,17,21,25$

2. Sum of first 25 terms:

For that we have to find 25th term first

$a_{25} = 4(25)+5\\=100+5\\=105$

The formula for sum is:

$S_n=\frac{n}{2}(a_1+a_n)}\\Putting\ the\ values\\S_n=\frac{25}{2}(9+105)\\=12.5(114)\\=1425$

3. Type of sequence

The given sequence is an arithmetic sequence because the common difference between two consecutive terms is same.

i.e.

$d=4$

Keywords: Arithmetic sequence, Sum of arithmetic sequence

Learn more about arithmetic sequence at:

#LearnwithBrainly

4 0

3 years ago