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ehidna [41]
3 years ago
5

Find the product. -1/2y(2y 3 - 8) A) -y 4 + 4y B) y 4 + 4y C) -2y 3 + 4

Mathematics
2 answers:
ollegr [7]3 years ago
8 0

Answer:

A) -y^4 + 4y

Step-by-step explanation:

-1/2y(2y^3 - 8)

Distribute -1/2y

-1/2y(2y ^3) - (-1/2y( 8))

-y^4 + 4y

Ivanshal [37]3 years ago
8 0

Answer:

-y^4 + 4y

Step-by-step explanation:

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If h(x)=4x^2-16 we’re shifted 7 units to the right and 3 units down what would the new equation be
attashe74 [19]

Answer:

4(x-7)^2 - 19

Step-by-step explanation:

Shifting 7 units to the right:  4(x-7)^2 - 16.

3 units down:                         4(x-7)^2 - 16 - 3, or    4(x-7)^2 - 19

6 0
3 years ago
In a recent year, 31% of all college students were enrolled part-time. If 8.6 million college students were enrolled part-time t
Ronch [10]

Answer:

28 million college students.

Step-by-step explanation:

We can represent all college students as x. This means that all part-time college students are \frac{31}{100}x. Because all part-time college students are also equal to 8.6 million, we have 8,600,000=\frac{31}{100}x. To find the number of total college students, or x, we have to multiply by 100/31 to get rid of the fraction on the other side:

8,600,00\cdot\frac{100}{31}=x

The left side of the equation evaluates as 27,741,935.5. Because we are asked to round to the nearest million, we have to round to 28 million, which is the closest.

5 0
2 years ago
NEED HELP!!! please:)
Dahasolnce [82]
No, Jonah is not correct. The answer is shown in the picture.

8 0
3 years ago
Two ninths of 540 students at east side middle school are in chorus. 3/4 of chorus members are girls. 2/5 of the girls in chorus
lisov135 [29]
2/9 • 3/4 • 2/5 = 1/15
1/15 of of the students are girl sopranos in chorus.
5 0
3 years ago
John O'Sullivan has just completed his first year in business. His records show that he spent the following in advertising: Inte
krek1111 [17]

Answer:

29.787%

Step-by-step explanation:

The computation of the percentage that spend on yellow pages is shown below:

= Yellow pages ÷ Total advertising cost

= $700 ÷ ($700 + $600 + $650 + $400)

= $700 ÷ $2,350

= 29.787%

6 0
3 years ago
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