You can model the population of a certain city between the years 1965 and 1995 by the radical function P(x)= 75,000 cubed root of (x-1940) . Using this model, in what year was the population of that city 245,000?

Answers

Answer 1
Answer: P(x)= 75,000*(x-1940)^(1/3)
then the P = 245000 means

245000 = 
75,000*(x-1940)^(1/3)
(245000/75000)^3 + 1940 = X
X ≈ 1974

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What is 2.33 written as a mixed number in simplest form?A. 1002/33
B. 233/100
C. 2100/33
D. 233/100

Answers

The correct answer for the question that is being presented above is this one: "233/100". When the decimal 2.33 written as a mixed number in simplest form, then the answer will 233/100. You just move the decimal point in 2.33 two places to the right. Since, there are two decimal places, therefore the denominator should be 100.

Answer:


Step-by-step explanation:

It is not B.233.  100  MY GIVEN ME BAD...

Use an area model to multiply (4x 3)(2x 5) Fill in the blanks with the correct numbers. X2 x.

Answers

The equation after filling the blank with the use of an area model to multiply (4x 3)(2x 5) is,

8x^2+26x+15

What is the area model?

The area model is a rectangle shape diagram which is used to solve the problem related to multiply or divide. In this model, factors are specified as the length and width of that rectangle.

The factors are given as,

(4x +3)\n(2x +5)

Multiply the factors,

(4x +3)*(2x +5)=4x(2x+5)+3(2x+5)\n(4x +3)*(2x +5)=8x^2+20x+6x+15\n(4x +3)*(2x +5)=8x^2+26x+15

The figure of the areamodel of the given problem is attached below. Thus, the equation after filling the blank with the use of an area model to multiply (4x 3)(2x 5) is,

8x^2+26x+15

Learn more about the area model here;

brainly.com/question/19158764

Answer: 8x^2 + 26x + 15 .

Step-by-step explanation: i took the test !

Which expression can be used to model the phrase “the sum of three and a number”? 3+x x-3

Answers

Answer:

3+x

Step-by-step explanation:

“the sum of three and a number”

Frame an expression for the given statement

Expression contains variables and operators like add, subtract , multiply and divide

LEt the unknown number be x

Sum represents the addition of two numbers

Sum of three and a number means the addition of 3 and number x

So the expression become 3+ x

a=3+b. That is a reasonable expression, because a= the sum of 3 and b, an unknown number.

The following set of coordinates represents which figure? (1, 1), (5, 3), (7, 7), (3, 5)

Answers


Are you honestly going to sit there with a straight face and promise me
that there are no figures (pictures) that go along with this question ?

Answer:

rhombus

Step-by-step explanation:

I took the quiz and got the question correct. Rhombus is the correct answer.

Consider the infinite geometric series below. a. Write the first 4 terms of the series b. Does the series diverge or converge? c. If the series has a sum, find the sum. ∑ [infinity] n=2 (− 2) n−1

Answers

Answer:

Step-by-step explanation:

Given the geometrical series

∑ [infinity] n=2 (− 2) n−1

I think the correct series should be the sum from n = 2 to ∞ of (-2)^n-1

So,

∑(-2)^(n-1)...... From n = 2 to ∞

A. The first four terms

When n = 2

(-2)^(2-1) = (-2)^1 = -2

When n = 3

(-2)^(3-1) = (-2)^2 = 4

When n = 4

(-2)^(4-1) = (-2)^3 = -8

When n = 5

(-2)^(5-1) = (-2)^4 = 16

B. The series will diverge since the common ratio is not between 0 and 1

So, let use limit test

Lim as n →∞ (-2)^(n-1) = (-2)^∞ = ±∞

Since the limit is infinite, then the series diverges

C. Since her series diverges we can find the sum, the sum is infinite, so it will sum up to ±∞

1. What is the ratio of PQ to XY?

Answers

Answer:

1 : 5

Step-by-step explanation:

The ratio of PQ ; XY = 5 : 25 = 1 : 5 ← in simplest form