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Naddika [18.5K]
3 years ago
13

Dan bought nineposters a week later half of the posters were destroyed in a fire there are now only 14 posters left how many did

he start with?
Mathematics
1 answer:
gulaghasi [49]3 years ago
4 0

(x-.5x)+9 =14

x-.5x = 5

.5x = 5

x = 10


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Describe how to compare the two ratios 5:8 to 7:9. Tell each step to set up the ratios, then explain what to do to be able to co
lutik1710 [3]

Answer:

5/8 is smaller.

Step-by-step explanation:

A ratio is just a different type of fraction, a 5:8 ratio means 5/8 which is 0.625. A 7:9 ratio equals 7/9 which is 0.777777

Then to compare them you see which is smaller or bigger.

0.77777  is bigger than 0.625 so we know that 0.77777777 which was the 7:9 ratio is the bigger one.

3 0
2 years ago
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A fair die is tossed 5 times. Let <img src="https://tex.z-dn.net/?f=%5Cdfrac%7Bm%7D%7Bn%7D" id="TexFormula1" title="\dfrac{m}{n}
Ray Of Light [21]

Answer:

m = 1

Step-by-step explanation:

We can suppose that the number we are looking for is for example 5.

(we can do so because the probability is the same for each number - it'sna fair dice)

For the first toss the probability we have 5 is 1/6 (we have 6 numbers on the dice and number 5 is just one of the possible 6 outcomes).

For the second toss the probability we have 5 is again 1/6.

For the rest of 3 tosses we don'tcare what number we will get( we have our two consecutive 5s), so all of the outcomes for the rest of 3 tosses are good for us (probability is 6/6 = 1)

Threfore, the probability to get two consecutive 5s is 1/6 * 1/6 * 1 * 1 * 1 = 1/36.

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4 0
3 years ago
Factor the trinomial: 6x2 + 7x - 20
siniylev [52]
The correct answer is D. (3x - 4) (2x + 5)
Here's why:
6x2 + 15x - 8x - 20=
6x2 + 7x - 20
8 0
3 years ago
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Jayden sells snow cones for $3.75 each. He started the day with a total of 300 snow cones to sell. If he made a total of $843.75
Leni [432]

Number of cone left is 75 cone

<u>Given that;</u>

Cost of each cone = $3.75 each

Starting number of cone = 300

Total amount earn = $843.75

<u>Find:</u>

Number of cone left

<u>Computation:</u>

Number of cone sale = Total amount earn / Cost of each cone

Number of cone sale = 843.75 / 3.75

Number of cone sale = 225 cone

Number of cone left = Starting number of cone - Number of cone sale

Number of cone left = 300 - 225

Number of cone left = 75 cone

Learn more:

brainly.com/question/4115571?referrer=searchResults

7 0
3 years ago
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Answer:

EXPLAIN

Step-by-step explanation:

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