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pogonyaev
3 years ago
10

12 plus 2 times a number is 6 times the number. what is the number?

Mathematics
2 answers:
DedPeter [7]3 years ago
7 0

Answer:

X=3

Step-by-step explanation:

12+2x=6x

LuckyWell [14K]3 years ago
4 0
12 + 2x = 6x
12 = 4x
3 = x
You might be interested in
Help how you solve this
Anettt [7]
Just add up how much Luna practiced which is 20+30+20 to get 70 and then add another 30 to get 100. So Elsa practiced for 100 minutes or 1hour 40 minutes.
8 0
3 years ago
What is the answer???????
ser-zykov [4K]

Answer: Where P is.

Step-by-step explanation

8 0
1 year ago
Which is the solution set of the inequality<br> -15y+9&lt;-36
liraira [26]

Answer:

-15y+93\:\\ \:\mathrm{Interval\:Notation:}&\:\left(3,\:\infty \:\right)\end{bmatrix}

Therefore, the first choice is correct.

The graph of the inequality is also attached below.

Step-by-step explanation:

Considering the inequality

-15y+9

solving

-15y+9

\mathrm{Subtract\:}9\mathrm{\:from\:both\:sides}

-15y+9-9

-15y

\mathrm{Multiply\:both\:sides\:by\:-1\:\left(reverse\:the\:inequality\right)}

\left(-15y\right)\left(-1\right)>\left(-45\right)\left(-1\right)

15y>45

\mathrm{Divide\:both\:sides\:by\:}15

\frac{15y}{15}>\frac{45}{15}

y>3

In other words,

-15y+93\:\\ \:\mathrm{Interval\:Notation:}&\:\left(3,\:\infty \:\right)\end{bmatrix}

Therefore, the first choice is correct.

The graph of the inequality is also attached below.

6 0
3 years ago
Need Help. The question is down below
madreJ [45]

Useful Log Rules:

  • log(A*B) = log(A)+log(B)  .......... log rule 1
  • log(A/B) = log(A) - log(B) .......... log rule 2
  • log(A^B) = B*log(A)  ................... log rule 3

=========================================================

Part (a)

All logs shown below are base 3.

log(500) = log(5*100)

log(500) = log(5*10^2)

log(500) = log(5)+log(10^2) .... use log rule 1

log(500) = log(5) + 2*log(10) .... use log rule 3

log(500) = 1.4650 + 2*2.096 ....... substitution

log(500) = 5.657

<h3>Answer: 5.657</h3>

=========================================================

Part (b)

All logs shown below are base 3.

log(2) = log(10/5)

log(2) = log(10) - log(5) .... use log rule 2

log(2) = 2.096 - 1.4650  ....... substitution

log(2) = 0.631

<h3>Answer: 0.631</h3>
4 0
2 years ago
Farmer frank is planting corn in a three-acre field.He will plant a total of 347 rows with 270 corn plants in each row.How many
iren [92.7K]
This is simple long multiplication. 347 x 270 is 93,690. Then you divide this number by the amount of acres, in this case, 3. So 93,690/3 is 31,230. Hope this helped
3 0
3 years ago
Read 2 more answers
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