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gtnhenbr [62]
2 years ago
12

If c(x) = 4x - 2 and d(x) = x + 5x what is (c×d)(x)?​

Mathematics
1 answer:
g100num [7]2 years ago
5 0

Answer:

24x^2 - 12x

Step-by-step explanation:

C=4x -2

D=x + 5x

(4x - 2) * (x +5x)

4x^2 + 20x^2 - 2x - 10x

=24x^2 - 12x

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Sorry about all the arrows, but hope this helps! Reels=$21 and rods=$80. All my work is shown.

7 0
3 years ago
Does anyone know what lesson this is i took these notes are they good
Nezavi [6.7K]

Answer:

ngl i learned this type of math pretty sure, and that looks better than my teachers own notes-

Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
A phone company charges a flat rate of $15 to make phone calls for a month.they charge $0.10 per minute for each call made.if th
Ne4ueva [31]

Answer:

450 minutes

Step-by-step explanation:

15 + 0.1x = 60

15 - 15 + 0.1x = 60 - 15

0.1x = 45

\frac{0.1x}{0.1} = \frac{45}{0.1}

x = 450

5 0
3 years ago
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An insurance company has 10,000 automobile policyholders. The expected yearly claim per policyholder is $240, with a standard de
elena55 [62]

Answer:

almost 0%

Step-by-step explanation:

Given that for an insurance company with 10000 automobile policy holders, the expected yearly claim per policyholder is $240 with a standard deaviation of 800

using normal approximation, the probability that the total yearly claim exceeds $2.7 million is calculated as follows:

Sea sumatoria de x = SUMX, tenemos que:

P (SUMX \geq 2700000) = P(\frac{SUMX - 240*10000}{800 *\sqrt{10000} } \geq \frac{2700000 - 240*10000}{800 *\sqrt{10000} })

= P (z\geq \frac{2700000 - 240*10000}{800 *\sqrt{10000}})

= P (z => 3.75)

= 1 - P ( z < 3.75)

P = 1 - 0.999912

P = 0.000088

Which means that the probability is almost 0%

4 0
3 years ago
Determine the sum of the parts 1 3/8 +2/3=
Mumz [18]

2 1/24

Rewriting our equation with parts separated

2/3+1+3/8

Solving the fraction parts

2/3+3/8=?

Find the LCD of 2/3 and 3/8 and rewrite to solve with the equivalent fractions.

LCD = 24

16/24+9/24=25/24

Simplifying the fraction part, 25/24,

25/24=1 1/24

Combining the whole and fraction parts

1+1+1/24=2 1/24

5 0
3 years ago
Read 2 more answers
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