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3 years ago

The product of 6 and a number less than 20

Mathematics

1 answer:

Lady bird [3.3K]3 years ago

4 0

Answer:

I'm assuming that this is supposed to be in algebraic expression form.

Step-by-step explanation:

The product of 6 and a number is expressed as 6x. So the expression of 6x less than (use minus symbol) 20, should be written as 6x - 20.

Hope it helps.

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Two fair number cubes are rolled. What is the probability the numbers are equal or the sum is odd?

Marat540 [252]

Answer:

0.6667 = 66.67%

Step-by-step explanation:

If each number cube has 6 numbers, the two cubes have a total of 6 * 6 = 36 results.

To have equal numbers in each cube, the cases are:

(1,1), (2,2), (3,3), (4,4), (5,5), (6,6) -> 6 cases

To have a odd sum, the cases are:

(1,2), (1,4), (1,6),

(2,1), (2,3), (2,5),

(3,2), (3,4), (3,6),

(4,1), (4,3), (4,5),

(5,2), (5,4), (5,6),

(6,1), (6,3), (6,5). -> 18 cases

So we have a total of 18 + 6 = 24 cases, then the probability is:

P = 24 / 36 = 0.6667 = 66.67%

5 0

3 years ago

1 and a 1/2 divided by 3/8

Musya8 [376]

$1\frac{1}{2}:\frac{3}{8}=\ \ \ \ | make\ improper\ fractions\\\\
\frac{3}{2}:\frac{3}{8}=\ \ \ \ \ \ | multiply\ first\ factor\ by\ inverse\ of\ the\ second\\\\
\frac{3}{2}*\frac{8}{3}=\frac{3*8}{2*3}=\frac{8}{2}=4$

5 0

3 years ago

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Select True or False for each statement

adoni [48]

False


True.

glad to help out

6 0

3 years ago

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salini's mother's present age is 8 times salini's present age five years from now salini's age will be 1/4th of of his mother's

choli [55]

Answer:

salini -= 5 years

mother = 40years

Step-by-step explanation:

$salini = x \\ mother =8x \\ x + 5 = 1 \: of \: 8x \\ x + 5 = 2x \\ 5 = x$

$5 = x$

then you equate the values of x

8 0

3 years ago

HELP I WILL GIVE BRAINLIEST AND THANK AND 5 STAR!

photoshop1234 [79]

Answer:

4. 2

Step-by-step explanation:

Subtitue the value of variable into the equation and simplify 2

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3 years ago

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