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Nataliya [291]
2 years ago
8

The population of a city has decreased by 27% since it was last measured. If the current population is 7300, what was the previo

us population?
Mathematics
1 answer:
Tema [17]2 years ago
7 0

Answer:

the answer is 9271

Step-by-step explanation:

if 7300 is 73%, then you need to add 27% to get 100% which is 9271

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(36+4) divided by 10 how do I write it in a story problem
BlackZzzverrR [31]

Step-by-step explanation:

you can write it as

the sum of of thirty six(36) and four(4) is divided by Ten(10)

5 0
3 years ago
Read 2 more answers
Write the equation of a line that is parallel to y=1/2x−4y and that passes through the point (9,−6)
lara [203]

Answer:

the desired equation is

y = (1/2)x - 21/2

Step-by-step explanation:

Looks as tho' you may have typed in an extra 'y' here.  I will proceed under the assumption that you meant y = (1/2)x - 4.  This line has a slope of 1/2.

Any line parallel to it also has a slope of m = 1/2.

Start by replacing y, x, m and b in y = mx + b with the knowns:

y = mx + b becomes -6 = (1/2)(9) + b.

Clear this of fractions by multiplying all 3 terms by 2:

-12 = 9 + 2b, or:

-21 = 2b.  Dividing both sides by 2 results in b = -21/2.

Thus, the desired equation is

y = (1/2)x - 21/2

8 0
3 years ago
A rectangle has a length of x and a width of 5x^3+4-x^2. What is the polynomial that models the perimeter of the rectangle
sveticcg [70]

Answer:

L= x

And the width for this case is:

W= 5x^3 +4 -x^2

And we know that the perimeter is given by:

P= 2L +2W

And replacing we got:

P(x) = 2x +2(5x^3 +4 -x^2)= 2x +10x^3 +8 -2x^2

And symplifying we got:

P(x)= 10x^3 -2x^2 +2x+8

Step-by-step explanation:

For this problem we know that the lenght of the rectangle is given by:

L= x

And the width for this case is:

W= 5x^3 +4 -x^2

And we know that the perimeter is given by:

P= 2L +2W

And replacing we got:

P(x) = 2x +2(5x^3 +4 -x^2)= 2x +10x^3 +8 -2x^2

And symplifying we got:

P(x)= 10x^3 -2x^2 +2x+8

8 0
3 years ago
Charlotte has an aquarium in the shape of a rectangular prism. it is 3/4 of a foot high/ 2 and 1/2 feet long, and 1 and 1/4 feet
Anuta_ua [19.1K]
V=xyz

V=0.75(2.5)1.25

V=2.34375 ft^3  or if you want the fraction..

V=2 11/32 ft^3
3 0
3 years ago
A bakery sells chocolate cupcakes and mocha cupcakes. It sold 500 cupcakes in a day, and 16% of them were mocha. How many of the
Andrew [12]

Answer:

Your answer

420 were chocolate

Mark it as Brainlist. Follow me for more answer.

Step-by-step explanation:

6 0
3 years ago
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