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3 years ago

6

48 is 9 less than 3 times a number. What is the number?

2 answers:

Ludmilka [50]3 years ago

8 0

Answer:

The number is 19

Step-by-step explanation:

Given : Expression "48 is 9 less than 3 times a number."

We have to find the number.

Consider the given expression "48 is 9 less than 3 times a number."

Let the number be x.

Then the expression can be written mathematically as

48 is 9 less than 3 times number x

9 less than 3 times number x = 3x - 9

then 48 = 3x - 9

adding 9 both sides, we get,

48 + 9 = 3x

57 = 3x

divide both side by 3,

we have,

x = 19

Thus, the number is 19.

Kamila [148]3 years ago

4 0

19 x 3 = 57 57 - 9 = 48 Your answer is 19.

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3 years ago

Required information Skip to question A die (six faces) has the number 1 painted on two of its faces, the number 2 painted on th

grigory [225]

Answer:

The change to the face 3 affects the value of P(Odd Number)

Step-by-step explanation:

Analysing the question one statement at a time.

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P(Odd Number) is then calculated as:

$P(Odd\ Number) = P(1) + P(3)$

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$P(Odd\ Number) = \frac{2+1}{6}$

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After the face with 3 is loaded to be twice likely to come up.

The sample space becomes:

$S = \{1,1,2,2,2,3,3\}$

The probability of each is:

$P(1) = \frac{n(1)}{n(s)}$

$P(1) = \frac{2}{7}$

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$P(2) = \frac{3}{7}$

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Take LCM

$P(Odd\ Number) = \frac{2+1}{7}$

$P(Odd\ Number) = \frac{3}{7}$

Comparing P(Odd Number) before and after

$P(Odd\ Number) = \frac{1}{2}$ --- Before

$P(Odd\ Number) = \frac{3}{7}$ --- After

<em>We can conclude that the change to the face 3 affects the value of P(Odd Number)</em>

7 0

3 years ago

In triangle EFG , EF=FG . EF= 6X-10 , EG =2X+14, and FG =3X+11. find EF .

jarptica [38.1K]

Since EF=FG, you can set 6x - 10 = to 3x + 11

$6x -10 = 3x +11$

Then add like terms

$6x - 3x = 11+10$

so, $3x = 21$

Now you can divide by 3 to get $x = 7$ :)

then put it back into $6x - 10$

$6(7) - 10 = EF$

so, $EF = 32$

4 0

3 years ago