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Over [174]
3 years ago
8

Divide 72 ft in the ratio 9:4:5

Mathematics
1 answer:
Anton [14]3 years ago
5 0
9:4:5.....added together = 18

9/18 (72) = 648/18 = 36
4/18 (72) = 288/18 = 16
5/18 (72) = 360/18 = 20

so we have 36:16:20
You might be interested in
The perimeter of a triangle is 199 inches. If one side of the triangle is six more than the shorter side, and the longer side is
Keith_Richards [23]
Shortest side (a) = 58
middle side (b) = 64
longest side (c) = 77

the 3 sides a + b + c = 199
b = a + 6
c = a + 19

substitute your new values for b & c into your original formula, so:
a + (a+6) + (a+19) = 199
3a + 25 = 199
3a = 174
a = 58

then substitute 58 into your b & c formulas to figure out the rest
b = a + 6 = 58 + 6 = 64
c = a + 19 = 58 + 19 = 77

3 0
3 years ago
If you flipped two coins simultaneously, for a total of 24 times, how many times, on average, would you expect to get a head and
Bingel [31]

When two coins are flipped simultaneously 24 times, on average 12 times we will get a head and a tail.

For given question,

When two coins are tossed simultaneously, the sample space is as follows:

S = { HH, HT, TH, TT} where H denotes Head and T denotes tail.

Using the formula of probability,

P = Number of favorable outcomes/total number of outcomes,

we get,

P(HT) = 1/4

and

P(TH) = 1/4

We know that the occurrence of two mutually exclusive events is the sum of their individual probabilities.

So, P(Head on one and Tail on other)

= P(HT) + P(TH)

= 1/4 + 1/4

= 2/4

= 1/2

= 0.5

So, when two coins flipped simultaneously, the probability of flipping 2 coins and getting a head and a tail is 0.5

In this question, we need to find the number of times getting a head and a tail when two coins are flipped simultaneously 24 times

= 0.5 × 24

= 12

Therefore, When two coins are flipped simultaneously 24 times, on average 12 times we will get a head and a tail.

Learn more about the probability here:

brainly.com/question/3679442

#SPJ4

8 0
1 year ago
If 10x+3y=38 and -2x+13y=50 what is the value of -x+2y
amid [387]

Answer:101/17

Step-by-step explanation:

5 0
3 years ago
What is the area, in square inches, of this trapezoid?
Kisachek [45]

Answer:

60

Step-by-step explanation:

Area = ((a+b)/2)h=((7+13)/2)*6=60

7 0
3 years ago
Solve for x:<br> 8x + 2 + 4 = 2x - 6<br> X=?
muminat

Answer:

x = -2

Step-by-step explanation:

8x + 2 + 4 = 2x - 6

8x - 2x = - 6 - 2 - 4

6x = -12

x = -12/6

x = -2

8 0
3 years ago
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