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3 years ago

Find the equivalent expressions for (x + 7)(x + 1).

Mathematics

2 answers:

babunello [35]3 years ago

8 0

Answer:

C d

Step-by-step explanation:

Natali5045456 [20]3 years ago

5 0

Answer:

The answers should be

x^2 + 8x + 7

x(x + 8) +7

Step-by-step explanation:

(x + 7)(x + 1)

x(x) + x(1) + 7(x) + 7(1)

x^2 + x + 7x + 7

x^2 + 8x + 7

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4 years ago

A random sample of 30 college students is selected. Each student is asked how much time he or she spent on homework during the p

Allushta [10]

Answer:

See Explanation

Step-by-step explanation:

Given the number of hours each student spent doing homework below:

19, 15, 17, 18, 24, 22, 21, 20, 18, 20, 18, 21, 17, 22, 16,

23, 24, 15, 20, 17, 19, 23, 18, 17, 15, 24, 20, 20, 19, 16

The table below is a frequency distribution for the data

$\left|\begin{array}{c|c}\text{Number of Hours}&\text{Number of Students}\\(Homework)&Frequency\\-----&------\\15&3\\16&2\\17&4\\18&4\\19&3\\20&5\\21&2\\22&2\\23&2\\24&3\\-----&------\\Total&30\end{array}\right|$

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4 years ago

Subtract (12x+9) from the sum of (5x^2+8x+6) and (8x^2+6x-6)

shepuryov [24]

<span>(5x^2+8x+6) + (8x^2+6x-6) - </span><span>(12x+9)
= </span>5x^2 + 8x+ 6 + 8x^2 + 6x - 6 - 12x - 9
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answer
13x^2 + 2x - 9

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3 years ago

The manager of a school store orders 250 pencils at the beginning of the

Tju [1.3M]

Answer:

152 pencils remain after 14 days of school.

Step-by-step explanation:

Replace x in this formula with 14 (14 days):

f(14) = 250 - 7(14) = 250 - 98 = 152

152 pencils remain after 14 days of school.

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3 years ago

Read 2 more answers

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oksian1 [2.3K]

Answer:1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000x109308267503039847568549320298347567584930222222222394856785493292837458949487567854847657854756578745678384575784475784374575894338457685984576859857698576869857=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000x109308267503039847568549320298347567584930222222222394856785493292837458949487567854847657854756578745678384575784475784374575894338457685984576859857698576869857=

Step-by-step explanation:

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3 years ago