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kumpel [21]
1 year ago
11

Which of the following is an extraneous solution of StartRoot 4 x + 41 EndRoot = x + 5? x = –8 x = –2 x = 2 x = 8

Mathematics
2 answers:
larisa [96]1 year ago
8 0

Answer:

A

Step-by-step explanation:

took test

Finger [1]1 year ago
5 0

Answer:

-8

Step-by-step explanation:

when you solve for x you get -8 but when you pkug it back in both sides are not equal, making it extranious

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vladimir2022 [97]
Given that the basket of watermelons sells for $9 before tax and the tax rate is 9%.

The tax on the basket of watermelons is given by

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Therefore, the total price Tiffany pays for the basket of watermelons is $9 + $0.81 = $9.81
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2 years ago
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A survey found that 50% of teenagers prefer to watch a movie at a theater over other viewing options. You want to know the estim
ella [17]

Answer:

1. Flip a fair coin four times, with heads representing teenagers who prefer watching a movie at a theater and tails representing those who do not.

2. Pick a card from a deck of standard playing cards four times, with red suits representing those who prefer watching a movie at a theater and black suits representing those who do not.

4. Roll a six-sided die four times, with even numbers representing those who prefer watching a movie at a theater and odd numbers representing those who do not.

Step-by-step explanation:

Basically you need to do something 4 times, with each time having a 50/50 chance.

For 1, it flips the coin 4 times and a coin toss is 50/50

For 2, it pics 4 cards, and the deck of cards has a 50-50 chance of either red or black

For 3, it spins it only 3 times, so is wrong

For 4, it rolls the die 4 times, and even and odd is 50-50

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6 0
2 years ago
Jessie bought 4 balls of wool to knit sweaters for her children, and 5 balls of wool for herself. Then she spent $9.45 on knitti
Ilia_Sergeevich [38]

Step-by-step explanation:

first your going to break down your total then since you have nine balls of yarn you going to take out the 9.45

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2 years ago
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Jane took a train traveling at an average speed of 60 mph from Boston, MA to Washington, D.C. The trip took 8 hours. On her way
attashe74 [19]

Answer:

  • 6 hours and 24 min

Step-by-step explanation:

<u>The distance is:</u>

  • 60*8 = 480 miles

<u>Return trip will take:</u>

  • 480/75 = 6.4 hours = 6 hours and 24 min
5 0
2 years ago
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