3 years ago

What is the total surface area for #3

Mathematics

2 answers:

kifflom [539]3 years ago

8 0

The answer choice c.

Liono4ka [1.6K]3 years ago

7 0

I think the answer is C

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VashaNatasha [74]

Answer:

Step-by-step explanation:

(2x^2-11)(x^2+2)

2x^4-7x^2-22

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3 years ago

The Yoga class you wish to take is offering two price quotes: $120 for 5 weeks as (15 classes) or $160 for 8 weeks (24 classes).

True [87]

The answer is B $1.05

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3 years ago

Can you help with this? Thank you!

Gnom [1K]

To solve for j, cross multiply:

4 x 45 = 18 x j

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Divide both sides by 18:

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3 years ago

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Complete the recursive formula of the geometric sequence 16\,,\,3.2\,,\,0.64\,,\,0.128,...16,3.2,0.64,0.128,

Nastasia [14]

Answer:

$a_{n+1}=0.2a_n$ for all n>0, $a_1=16$

Step-by-step explanation:

Let $\{a_n\}=\{16,3.2,0.64,0.128,\cdots \}$ be the sequence described.

A geometric sequence has the following property: there exists some r (the ratio of the sequence) such that $\frac{a_{n+1}}{a_n}=r$ forr all n>0.

To find r, note that

$\frac{3.2}{16}=\frac{32}{10(16)}=\frac{2}{10}=\frac{1}{5}=0.2$

Similarly

$\frac{0.64}{3.2}=\frac{64}{10(32)}=\frac{1}{5}=0.2$

$\frac{0.128}{0.64}=\frac{1}{5}=0.2$

Thus $a_{n+1}=r a_n=\frac{a_n}{5}=0.2a_n$ for all n>0, and $a_1=16$

3 0

3 years ago

Suppose that the mean score of a class of 32 students was 74. the 19 male students in the class had a mean score of 70. what was

andrew-mc [135]

Mean = sum of values / number of values
74 = x/32
2368 = x

70 = y/19
1330 = y

mean for female students = (2368 - 1330)/(32-19) = 79.85

5 0

3 years ago