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garri49 [273]
3 years ago
7

Jim & Jesse each had the same amount of money. Jim spent $58 and Jesse spent $37. Afterward, the ratio of Jim's money to Jes

se's is 1:4. How much money did each have at first?
Mathematics
1 answer:
Marina CMI [18]3 years ago
6 0
x-\ money\ that\ each\ of\ them \ had\ previously\\\\
4(x-58)=x-37\\\\
4x-232=x-37\ \ \  | subtract\ x\\\\
3x-232=-37\ \ \ | add\ 232\\\\
3x=195\ \ \ | divide\ by\ 3\\\\
x=65\\\\
Each\ of\ them\ had\ 65\$\ at\ the\ beginning.
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lesantik [10]
SinA /a = sin C / c
sin 60/9 = sin C / 10
(√3/2)/9 = sinC/ 10
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8 0
4 years ago
HELP HELP HELP
SSSSS [86.1K]

Answer:640

Step-by-step explanation:

Since 15 out of every 75 fish are more than 30 cm long, the probability of finding a fish more than 30 cm is P(x > 30) = 15/75 = 1/5.

The probability of finding a fish 30 cm or less is P(x ≤ 30) = 1 - P(x > 30)

= 1 - 1/5

= (5 - 1)/5

= 4/5

Since we have 800 fish and the probability of finding a fish 30 cm or less is P(x ≤ 30) = 4/5, then the number of fish in the population that are 30 cm or less in length are 800 × P(x ≤ 30) = 800 × 4/5

= 160 × 4

= 640

So, 640 fish in the population are 30 cm or less in length

3 0
3 years ago
.A retailer sold two articles at same price. He sold the first one at 10% profit and the
IRISSAK [1]

Step-by-step explanation:

so let's assume they both sold for 100 each the first article sold for 10% laws there by cost of article is 111.11 rounded the second article made 25% profit so cost must be 80 total cost is 8.89 or 5% profit I'm so sorry if im wrong

3 0
3 years ago
Factor 6x^4 - 5x^2+12x^2-10 by grouping. what is the resulting expression?
Alina [70]
12 goes with 6 and 5 with 10

(6x^4+12x^2)+(-5x^2-10)
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undistribute
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3 0
3 years ago
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Find the value of the expression: a 8x^3 for x=-2;-1;0;3
dsp73

Simply replace each x with the given value of x.

<u>When x = -2:</u>

8(-2)^3\\8(-8)\\\\=-64

<u>When x = -1:</u>

8(-1)^3\\8(-1)\\\\=-8

<u>When x = 0:</u>

8(0)^3\\8(0)\\\\=0

<u>When x = 3:</u>

8(3)^3\\8(27)\\\\=216

OR you could use a graph for this, here is how the function is going to look:

3 0
3 years ago
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