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nika2105 [10]
3 years ago
8

Twice the greater of two consecutive odd intergers is 13 less than three times the lesser. Find the intergers ​

Mathematics
1 answer:
erastova [34]3 years ago
3 0

Answer:

\large\boxed{15, 16}

Step-by-step explanation:

2 consecutive integers represented as variables:

x, x + 1

Greater one: x + 1

Lesser one: x

Write as an equation

2(Greater) + 13 = 3(Lesser)

Substitute in known values

2(x + 1) + 13 = 3(x)

Multiply

2x + 2 + 13 = 3x

Subtract 2x from both sides of the equation

2 + 13 = x

Add 2 + 13 to simplify

x = 15

Lesser = x = 15

Greater = x + 1 = 15 + 1 = 16

\large\boxed{15, 16}

Hope this helps :)

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The numbers in green represent mika's random sample of 10 acres. What is the average number of coconut palms on the randomly cho
Alexandra [31]

Answer:

The answers to the questions are

a) The average number of coconut palms on the randomly chosen side is 49.5 coconut  palms

b)  The projected number of palms on the entire farm is 3168 coconut palms.

Step-by-step explanation:

(a) The average is given by ∑fx/∑f = (∑x)/n

The sum of the number of coconut palms in the random sample of 10 acres is as follows

∑x = 56+43+62+63+33+34+38+51+59+56 = 495

n = 10

Therefore the average = 495/10 = 49.5 palm tree per acres

The average number of palm tree per acre = 49.5 palm tree

b) To project the number of coconut palms on the entire farm, we note that the average palm tree per acre = 49.5 coconut  palms

Number of acres = 64

∴ Projected number of coconut  palms in the farm = (Average number of palm tree per acre) × (Number of acres in the farm)

= 64 × 49.5 = 3168 coconut palms.

4 0
3 years ago
Hat dose 2+7x=5x+14 equal
bezimeni [28]

<em>Answer:</em>

<em>x = 6</em>

<em>Step-by-step explanation:</em>

<em>2 + 7x = 5x + 14</em>

<em>7x - 5x = 14 - 2</em>

<em>2x = 12</em>

<em>x = 12 : 2</em>

<em>x = 6</em>

<em>Good luck !</em>

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3 years ago
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svp [43]

Answer:

\frac{31}{90}

Step-by-step explanation:

https://www.calculatorsoup.com/calculators/math/decimal-to-fraction-calculator.php

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irga5000 [103]
<h3>Answer for problem 7 is B) Kelly</h3>

Since she has the most heads come up, making her chances to be best of getting heads.

-----------------------------------------------------------------------------------------------

<h3>Answer for problem 8 is D) Jessica</h3>

Divide each of the four values (102, 164, 75, 139) by 250 to get

102/250 = 0.408

164/250 = 0.656

75/250 = 0.300

139/250 = 0.556

We see that Jessica's empirical probability of 0.556 is closest to that of 1/2 = 0.500 which is the theoretical probability of getting heads.

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3 years ago
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Answer: $13.95

50%+ of 9.30 is 13.95 (if you do the math)

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