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3 years ago

The difference between twice a number and three is equal to six decreased by the number find the number

Mathematics

1 answer:

devlian [24]3 years ago

5 0

Translate the English to Math language:

Let x be that number

2x -3 = x-6 solve for x ; x=-3

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Find each unit rate

WITCHER [35]

1/2 dozen pencils in 1/3 box
what about 1 dozen
we cross miltiply this to get
1/3*2=2/3
doing the same for all the questions we get
1/4*5/4=5/20

3/4*5/3=15/12

3/10*12/7=18/35

3 0

4 years ago

According to this diagram, what is the sin of 28?

vivado [14]

I think the answer may be C

8 0

3 years ago

Read 2 more answers

In order to win a quiz contest, olga must score more than 400 points. She earns 12 points for each right answer, and loses 4 poi

Ket [755]

The inequality that represents the number of right answers (r) and wrong answers (w) Olga can give to win the contest is: $3r-w>100$

Explanation

Number of right answers is $r$ and number of wrong answers is $w$

Olga earns 12 points for each right answer and loses 4 points for each wrong answer.

So, total points earned for $r$ right answers $=12r$

and total points lost for $w$ wrong answers $=4w$

That means, her score will be: $(12r-4w)$ points.

In order to win the quiz contest, Olga must score more than 400 points. So, the inequality will be.......

$12r-4w>400\\ \\4(3r-w)>400\\ \\ 3r-w>100$

4 0

3 years ago

It rained 0.72 inches on Monday. On Tuesday, it rained 0.34 inches less than on Monday.

vodomira [7]

Answer:0.38 inch

Step-by-step explanation: If it rains 0.72 inch on Monday and on Tuesday it rains 0.34 less inch then, you would have to subtract them to get 0.38 inch aka answer.

8 0

3 years ago

Read 2 more answers

What is the average rate speed of 1.5 and 9.5

Leno4ka [110]

Answer:

5.5

Step-by-step explanation:

I just added up the two numbers and then divided it by 2.

Hope This helps

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3 years ago