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3 years ago

(Help me please) The imagenIs the question´

Mathematics

1 answer:

Tju [1.3M]3 years ago

4 0

I think it’s d because I added 2/6 and 4/8

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A region with a 10-mile radius has a population density of about 1500 people per square mile. Find the number of people who live

riadik2000 [5.3K]

The total population in the region is 942000

Step-by-step explanation:

Radius of the region= 10 miles

Population density= 1500 per square mile

Area of the region = 2π(r x r)

= 2π(10 x 10)

=2(3.14) (100)

= 628 square miles

Population = 1500 x 628

= 942000

The total population in the region is 942000

6 0

3 years ago

Which expression is the factored form of 2/3x+4 ?

frosja888 [35]

Answer:

Option C.

Step-by-step explanation:

The given expression is

$\dfrac{2}{3}x+4$

We need to find the factored form of the given expression.

The given expression can be rewritten as

$\dfrac{2}{3}x+(\dfrac{2}{3}\times \dfrac{3}{2})\times 4$

$\dfrac{2}{3}x+\dfrac{2}{3}(6)$

It is clear that $\frac{2}{3}$ is common.

Taking out common factors, we get

$\dfrac{2}{3}(x+6)$

It is the factored form of the given expression.

Hence, the correct option is C.

7 0

3 years ago

Read 2 more answers

Which of the following is the solution to | x | +5< 1?

marissa [1.9K]

C. No Solution

Explanation

The above equation has no solution as the value of x is always mod x which means the value is always positive. Hence to make the equation true, we need value of mod x less than -4 which is not possible. Hence this equation as no solution.

$|x| + 5< 1\\|x| + 5 -1 < 0\\|x| +4 < 0\\|x| < -4$

Since, |x| can never be < -4 because value of |x| is always greater than or equal to, Hence this equation has no solution.

7 0

3 years ago

Jacob and his 6 friends are at restaurant and split the bill evenly. If ecah person paid $20, what was the bill total?

cestrela7 [59]

The bill total would be $140 because there are seven people (6 friends+Jacob) and each payed $20. (7)(20)

8 0

3 years ago

Please help explanation if possible

Nookie1986 [14]

Answer:

y=-3x+5

Step-by-step explanation:

concepts: y=mx+b is slope intercept equation formula

m=slope

b= y intercept

Therefore we need to find the slope and y intercept

first find slope

m= $\frac{y2-y1}{x2-x1}$

let y2 be 2

let y1 be -4

let x2 be 1

let x1 be 3

$\frac{2-(--4)}{1-3}$

6/-2 = -3

m=-3

slope is -3

y= -3x+ b

we need find y intercept now

just plug in (1,2) into that equation

2=-3(1)+b

b=5

y=-3x+5

5 0

3 years ago