Seven subtracted from 3 times a number is equal to 9 more than 5 times the number (3x - 7 = 5x + 9) What is that number?

Answers

Answer 1

Answer: 3x - 7 = 5x + 9
-7 = 2x + 9
-16 = 2x
x = -8

Answer 2

Answer: The number to the equation is x=-8

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I AM A FACTOR OF 50 AND A MULTIPLE OF 5 ,I AM A 2 -DIGIT NUMBER GREATER THAN 10 BUT LESS THAN 40. WHAT NUMBER AM I?

Answers

the number is 25 because the factors of 50 are 1,2,5,10,25,50 and the number is two digits and is greater than 10 an 40. So the answer is 25.

28 POINTS PLEASE HELPP

Answers

Answer:

f=2

Step-by-step explanation:

.7+.3= 1

1/.5= 2

.5x2= 1-.7=.3

shalyn went to to the movies. She spent 2/5 of her money on a ticket and 3/7 on popcorn. How much did she spend?

Answers

Answer:

She spent 29/35 of total amount she had.

Step-by-step explanation:

Let the amount Shalyn had be x.

She spent 2/5 of her money on a ticket. (i.e 2/5 of x)

She spent 3/7 of her money on popcorn. (i.e 3/7 of x)

So we need to find the total she spent.

i.e Total amount spent =Amount spent on movie ticket + amount spent on popcorn

Total amount spent = 2/5 of x + 3/7 of x

Total amount spent = (2/5 + 3/7 ) of x

Total amount spent = (29/35) of x

So she spent 23/35 of total amount she had.

an ecosystem which is 10 km squared contains a population of 1000 squirrels what is the population density of the squirrels in this ecosystem

Answers

Answer:

100 squirrels/km^2

Step-by-step explanation:

we know that

To find the population density of the squirrels in the ecosystem, divided the quantity of population of squirrels by the area of the ecosystem

1,000/10=100 squirrels/km^2

Is 91235 divisible by3

Answers

91,235/3 = 30,411.6 repeating
No, it is not divisible.

here is your awnser for this problem.

tim,kara and ann are working together to write a 4page report each student are going to do an equal amount of writing. what fraction of entire report does each student need to write

Answers

Theres three people. So each person needs to do one third (1/3) of the report.

The report is 4 pages long. So now calculate how much 1/3 of 4 is

= 1/3 * 4
= 4/3
= 1 1/3 pages

So each person needs to do one and a third pages.

And if you think about it it makes sense. three people EACH doing one page (1 +1 +1 = 3 pages) and a third of a page (1/3 + 1/3 +1/3 = 1 page) = 4 pages (3 pages + 1 page)

Do 4/3 because there is 4 pages and you get 1.3, 1.3 is how much each person does and 1.3 is 1/3 of 4 so each person has to do a page and a third or 1/3 of the report

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