An artificial lake is in the shape of a rectangle and has an area of 9/20 square mile. The width of the lake is 1/5 the length of the lake. What are the dimensions of the lake?

Answers

Answer 1

Answer: The area is width times length, so you'd divide the area by the width. This is 9/20 divided by 1/5. When dividing fractions, you flip the second number then divide straight across. This would be 9/20 x 5/1. You'd get 45/20, or in mixed number form, 2 and 1/4.

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Persevere with Problems Decide whether the following statement isalways, sometimes, or never true. Explain your reasoning.Any decimal that ends with a digit in the thousandths place can bewritten as a fraction with a denominator that is divisible by both 2 and 5.

Does any one know the answer i just got started in this stuff: Write an equation in sloper-intercept form for the following line:y-intercept 3 and slope 3?

Answers

Slope intercept form:
Y= mx +b
m is the slope
b is the y-intercept
in this case, just plug the numbers into the equation

Answer is Y= 3x + 3

In a parallelogram, if the measure of y is 32 degrees what is the measure of w

Answers

Talking about a parallelogram, we know that:
opposite sides and angles are congruent
in the picture below:
∠A = ∠C
AD = BC
if one angle is right, then the rest are right as well (making it a rectangle/square)
The consecutive angles are supplementary (meaning they add up to 180)
A + D = 180°

If y and w are consecutive angles, then
w = 180 - 32
=148°
If they are opposite angles, w = 32° (congruent angles)

The weather forecast states that the temperature will be lower than -5*F tonight. Let t represent the temperature in degrees Fahrenheit. Which inequality models the situation.A. t < -5 and t may be a negative number

B. t < -5 and t must be a positive number

C. t > -5 and t may be a negative number

D. t > -5 and t must be a positive number

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SO IT IS POSITIVE. THAT IS CONFUSING lol!

Please answer fast, I need this for test corrections. Thank you

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Answer:

Step-by-step explanation:what’s D.O.T.S.?

I don’t think I have gotten that far in math, sorry if that doesn’t help, maybe explain it to me.

The correct answer would be B.

16^10 - 25 = (4x^5 - 5)(4x^5 + 5)

Therefore, option B would be D.O.T.S

Please give brainliest.

Write a function rule for “The output is 9 less than the input.” Let x be the input and let y be the output.

Answers

Y=X-9

Step-by-step explanation:

Step 1:

Let X be the input and Y be the output variable

Given: The output is 9 less than the input

Step 2:

Y=X-9 be the require function

Eq:

for X=1, Y = -8

X=2, Y=-7, etc

Is 81 A Prime Or Composite Number?

Answers

81 is a composite number. It is a positive number that is divisible by some other number other than 1 and itself. 81 can be divided by 9 (9 x 9 = 81).

81 one is a composite even numbers are prime numbers

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Gina was earning $10 per hour. THen she recieved a 10% pay increase. Next month, her pay rate will decrease by 10%. What will Gina's pay rate be next month? a. $10.10 per hour b. $12.10 per hour c. $9.90 per hour d. $10.00 per hour. Im thinking it would be c or d. PLEASE EXPLAIN?!

PLEASE HELP I DON'T GET THIS AT ALLWhich relations are functions?Choose all answers that are correct.

Which strategies can be used to solve this problem? Kathleen invited 28 people to her party. She plans to seat 8 people at the dining room table. She will put the rest at round tables with 4 people at each table. What is the fewest number of round tables that Kathleen needs so that each guest will have a seat? Choose all answers that are correct. A. Draw a diagram. Eight people at 1 table, 4 people at round table, 4 people at round table, 4 people at round table, 4 people at round table, 4 people at round table. Count the number of round tables. B. Use logical reasoning. Start with 28 people, subtract 8 people who will sit at the dining room table, that leaves 20 people. Keep subtracting 4 people until you get to 0. Count how many times you subtracted 4 people. C. Translate into an equation. 28 – 8 + 4 + 4 = t D. Work backward. There are 28 people coming to the party. There is one dining table, so subtract 1. Now figure out how many round tables there are and subtract that number.

What is 31.6 divided by 2?