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Elenna [48]
4 years ago
14

If you roll two fair six-sided dice, what is the probability that the sum is 9 or higher?

Mathematics
2 answers:
Ira Lisetskai [31]4 years ago
5 0

Answer:

The probability of rolling a 9 or higher is is 10/36. You can simplify this this fraction to 5/18.

Step-by-step explanation:

atroni [7]4 years ago
5 0

Answer:

5/18

Step-by-step explanation:

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A 24 inch board is cut into 3 pieces so that the second piece is twice as long as the first and the third is 3 times as long as
Lady_Fox [76]

Answer:

The answer to your question is:  first piece = 4 in, second piece = 8 in, third piece = 12 in

Step-by-step explanation:

Data

total length = 24 inches

first piece = x in

second piece = 2x

third piece = 3x

Equation

               x + 2x + 3x = 24

               6x = 24

               x = 24/6

               x = 4               length of the first piece

second piece = 2(4) = 8 inches

third piece = 3(4) = 12 inches

3 0
3 years ago
Read 2 more answers
Freya is training for a track race. She starts by sprinting 200 yards. She gradually increases her distance, adding 5 yards a da
KiRa [710]

Answer:

The explicit formula is:

a_n = 200 +5(n-1)

Step-by-step explanation:

Freya increases 5 yards daily to the number of yards she runs.

Note that the increase factor is constant, so this problem can be modeled using an arithmetic sequence.

The explicit formula for an arithmetic sequence is:

a_n = n_1 + d(n-1)

Where:

a_n is the number of yards that Freya runs on the day

a_1 is the number of yards that he runs on day 1

d is the increase factor. d = 5 yards

n is the number of days

Then as a_1 = 200 and d = 5, the explicit formula is:

a_n = 200 +5(n-1)

8 0
3 years ago
Read 2 more answers
2. If 40% of a number is 56, what was the original number<br> Can someone help me for this one pls
ziro4ka [17]

Answer:

140

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Y = inversely proportional to x. When x = 3, y = 8. Work out the value of y when x = 8.
liberstina [14]

y = k/x

8 = k/3

k = 24

sub back in

y = 24/x

y = 24/8

<h3><em><u>y</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>3</u></em></h3>
3 0
3 years ago
Find f\left(x+3\right)f(x+3) given the function: f\left(x\right)=-5x+3f(x)=−5x+3
Serjik [45]

Answer:

-5x-12

Step-by-step explanation:

Given f(x) = -5x+3, to get f(x+3), we are going to replace x in f(x) with x+3 as shown;

f(x) = -5x+3

f(x+3) = -5(x+3)+3

f(x+3) = -5x-15+3

f(x+3) = -5x-12

Hence the function f(x+3) is -5x-12

7 0
3 years ago
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