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2 years ago

Select the correct answer. Simplify the expression so there is only one power for each base. A. B. C. D. E.

Mathematics

1 answer:

lora16 [44]2 years ago

5 0

Answer: It would be d and a

Step-by-step explanation:

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Factor completely 2x2 - 18. Prime 2(x2 - 9) 2(x + 3)(x - 3) 2(x + 3)(x + 3)

zhenek [66]

$2 x^{2} - 18= 2( x^{2} - 9)= 2(x + 3)(x - 3)$

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3 years ago

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A car that sold for $11,900 has a sales tax of $767. How

dlinn [17]

Answer: 9,953

Step-by-step explanation:

The first step is to find what the sales tax rate is for the first car because it will be the same for the second.

11,900/767 = .064

Now to find the cost of the second car we divide.

637/.064 = 9,953.125 Round to nearest dollar.

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2 years ago

The Thomas Supply Company Inc. is a distributor of gas-powered generators. As with any business, the length of time customers ta

Dmitry [639]

Answer:

The answer is below

Step-by-step explanation:

When computing quartile and decile, the data must be arranged in ascending order.

Given the data points:

13 13 13 20 26 26 29 31 34 34 35 35 36 37 38 41 41 41 42 43 46 47 48 49 53 55 56 62 67 82

The numbers are arranged in ascending order. The total number of terms is 30.

$First \ quartile(Q_1)=\frac{1}{4}(n+1)^{th}\ term\\\\where\ n=number\ of\ terms. Hence:\\\\Q_1=\frac{1}{4}(30+1)=7.75^{th}\ term=average\ of\ 7th\ and\ 8th\ term=\frac{29+31}{2} =30\\\\Q_1=30\\\\Third \ quartile(Q_3)=\frac{3}{4}(n+1)^{th}\ term\\\\Q_3=\frac{3}{4}(30+1)=23.25^{th}\ term=average\ of\ 23rd\ and\ 24th\ term=\frac{48+49}{2} =48.5\\\\Q_3=48.5$

$Second \ decile(D_2)=\frac{2}{10}(n+1)^{th}\ term\\\\where\ n=number\ of\ terms. Hence:\\\\D_2=\frac{2}{10}(30+1)=6.2^{th}\ term=average\ of\ 6th\ and\ 7th\ term=\frac{26+29}{2} =27.5\\\\D_2=27.5\\\\\\Eight \ decile(D_8)=\frac{8}{10}(n+1)^{th}\ term=\frac{8}{10}(30+1)=24.8^{th}\ term\\=average\ of\ 24th\ and\ 25th\ term=\frac{49+53}{2} =51\\\\D_8=51$

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3 years ago

Martha wants to rent a car for a week and to pay no more than $130. How far can she drive if the car rental costs $94 a week plu

stepan [7]

Martha can drive 300 miles.

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3 years ago

Plsss someone help me pls!!! PART B: identify congruent angles

Westkost [7]

Answer:

∠R=∠C

∠U=∠A

∠G=∠R

∴∠RUG=∠CAR

6 0

3 years ago