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2 years ago

2(P +1) + 3(P + 2 ) > 2

Mathematics

2 answers:

miv72 [106K]2 years ago

8 0

Answer:

P>-6/5

Step-by-step explanation: Isolate the variable by dividing each side by factors that don't contain the variable.

Interval Notation:

(−6/5,∞)

Alik [6]2 years ago

7 0

Answer: P>−6/5

Step-by-step explanation:

hope this helps

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Write an equation showing that the distance traveled on the first day plus the distance traveled on the second day is equal to 4

Radda [10]

X+y=425. This is as simple it can be, unless theres more information. x is the distance traveled on the first day and y is the distance traveled on the second day.

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3 years ago

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The housing market has recovered slowly from the economic crisis of 2008. Recently, in one large community, realtors randomly

Gwar [14]

Answer:

Step-by-step explanation:

Given that the housing market has recovered slowly from the economic crisis of 2008. Recently, in one large community, realtors randomly sampled 38 bids from potential buyers to estimate the average loss in home value.

s = sample std deviation = 3000

Sample mean = 9379

Sample size n = 38

df = 37

Std error of sample mean = $\frac{s}{\sqrt{n} } \\=486.66$

confidence interval 95% = Mean ± t critical * std error

=Mean ±1.687*486.66 = Mean ±821.003

=(8557.997, 10200.003)

a) If std deviation changes to 9000 instead of 3000, margin of error becomes 3 times

Hence 2463.008

b) The more the std deviation the more the width of confidence interval.

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3 years ago

Rama is stringing beads whose lengths are each 0.19 inches. How can rounding be used to estimate the length of a row of 9 beads?

Mice21 [21]

Since the beads are about 0.20 inches, the length of a row of 9 beads will be approximately 9 × 0.20 = 1.80 inches.

Step-by-step explanation:

According to given statement;

Length of individual stringing beads = 0.19 inches

Rounding off = 0.2 inches

Length of row of 9 beads = 9* rounded off length of individual beads

Length of row of 9 beads = 9*0.2

Length of row of 9 beads = 1.80 inches

Since the beads are about 0.20 inches, the length of a row of 9 beads will be approximately 9 × 0.20 = 1.80 inches.

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2 years ago

Angle measure labeled a The arc mesure labeled c

inna [77]

Step-by-step explanation:

angle measure a =48/2=24°

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<h3>stay safe healthy and happy.</h3>

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2 years ago

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Kevin and Randy Muise have a jar containing 80 coins, all of which are either quarters or nickels. The total value of the coins

SCORPION-xisa [38]

Answer:

39 quarters and 41 nickels

Step-by-step explanation:

Let the number of quarters be x and nickels be y.

Given:

Quarter is 25 cents
Nickel is 5 cents
Number of coins is 80
Total amount is $11.80 = 1180 cents

We have equations:

x + y = 80
25x + 5y = 1180

Solve the system by elimination, subtract 5 times the first equation from the second one:

25x + 5y - 5x - 5y = 1180 - 80*5
20x = 780
x = 780/20
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Find the value of y:

39 + y = 80
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Verify:

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2 years ago