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Tom [10]
3 years ago
14

Two questions! PLease help!! I need it (:

Mathematics
1 answer:
Arlecino [84]3 years ago
7 0
The answer to the horizontal method is
4n³+2n²-6n-9

The answer to the FOIL problem is
10x²-25x-35

Hope this helps!
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In a middle school classroom there are 4 boys for every 6 girls. How many
Hoochie [10]

Answer:

12

Step-by-step explanation:

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3 years ago
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According to a survey conducted by Netpop Research, 65% of new car buyers use online search engines as part of their car-buying
11111nata11111 [884]

Answer:

(a) 0.76

(b) 0.46

(c) 0.58

Step-by-step explanation:

Let's first list the probabilities of each event:

Buyers using online search engine: 0.65

Buyers skipping test drive = 0.11

Buyers that use search engines AND skip test drives = 0.65 * 0.11 = 0.07

(a) To find this probability, we simply need to add the probabilities of the above conditions that meet the criteria of the question. Since all of the above conditions meet the criteria set by the question, we have:

Probability = 0.65 + 0.11

Probability = 0.76

(b) The probability of buyers that do not use search engines = 1 - 0.65 = 0.35

Probability of buyers that do not use search engines OR do skip the test drive = 0.35 + 0.11 = 0.46

(c) Probability of buyers buyers that do not skip test drive = 1 - 0.11 = 0.89

Probability of buyers using online search engine AND not skipping the test drive = 0.65 * 0.89 = 0.58

(It must be noted that question c is phrased wrong. Since both events are independent, i.e buying a car OR skipping the test drive would mean 0.65 + 0.89 = 1.54 (not possible) )  

5 0
3 years ago
Which is the quotient and remainder found when dividing 4x^3-2x^2-18x+16 by 2x-4?
Vesna [10]

Answer:

oof its been like 7 months and no one never answered

Step-by-step explanation:

so sad ;-;

3 0
3 years ago
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Jon invests $2300 at 7.5% annual interest, compounded continuously. How long will it take this money to double in value?
meriva
For it to double in value it would take 13 years and 4 months
7 0
3 years ago
A caterer charger $120 to carter a party for 15 people and $200 for 25 people
Luba_88 [7]

Answer:

y = 8x

Step-by-step explanation:

When the number of people increased by 10, the caterer charged an additional $80. Therefore, we estimate that the cost per person is $8. In order to verify:

$8/person * 15 people = $120. True. $8/person * 25 people = $200. True.

Therefore, if we let x represent the number of people being cater for and y represent the cost, the equation to model the situation is simply y = 8x.

hope it helps!

5 0
2 years ago
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