What is 2 and 3/4 divide by 5 and 27/9

Answers

Answer 1

Answer: it would be 1.65 in decimal form. convert it to fraction and thats your answer

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A van can travel 18 miles on each gallon of gasoline. At that rate, how many miles can the van travel on 15 gallons of gasoline? 33 miles 83 miles 120 miles 270 miles Mark this and return

Answers

Answer:

270 miles

Step-by-step explanation:

if 1 gallon = 18 miles

then 15 gallons = x miles

cross multiply

1 × x = 15×18miles

x = 270 miles

so it travels 270 miles on 15 gallons of gasoline

What fraction of 1 liter is 1 milliliter?

Answers

15 x 5 = 75
35/75 + 30/75 = 65/75
(65/75) / 5 = 13/15

Costs change from $240 to $320. what is the percent change? also how do you do this?

Answers

A change from 240 to 320 represents a positive change (increase) of 33.33333333333333% Use the formula found below on this webpage to find the percent change by replacing the given values: Percent change = [(240 - 320) / 240] x 100 = 33.33333333333333 % (increase) Where: 240 is the old value and 320 is the new value. In this case we have a positive change (increase) of 33.33333333333333 percent because the new value is greater than the old value.

Answer:

33.3

Step-by-step explanation:

The amount of blood in a person's body varies directly with body weight. A person who weighs 160 lb has about 4.6 qt of blood. About how many quarts of blood are in the body of a 175-lb person?-How can you find the constant of variation?
-Can you write an equation that relates quarts of blood to weight?
-How can you use the equation to determine solution?

Answers

Step-by-step explanation:

Given that amount of blood is directly linked to body weight of the person.

$b\propto W$

$b=kW$

$(b)/(W)=k$

b = Amount of blood

W = weight of the person

k = proportionality constant or constant of variation

1) Given that, person who weighs 160 lb has about 4.6 quart of blood.

b = 4.6 quart, W = 160 lb

$k=(b)/(W)=(4.6 quart)/(160 lb)=0.02875 quart/lb$

The constant of variation is of value 0.02875 quart/lb.

2) An equation that relates quarts of blood to weight:

$b=0.02875 quart/lb* W$

3) If, b = ?,W = 175 lb

$b=0.02875 quart/lb* W$

$b=0.02875 quart/lb* 175 lb=5.03125 quart$

5.03125 quarts of blood are in the body of a 175-lb person.

The statements expresses as
w ∝ b
where w = body's weight, b = amount of blood

Changing it into a direct variation becomes
w = kb or k = w/b
where k = proportionality constant

We know that k is obviously constant, we equation it into two states as
w₁/b₁ = w₂/b₂

Given that w₁ = 160 lb, b₁ = 4.6 qt, b₂ = 175, w₂ = 175 lb. Then b₂ will be
160/4.6 = 175/b₂
b₂ = 160/(4.6*175) = 160/805 = 0.20 quarts

Your questions are integrated in just step-by-step solution.

Tourists from a tour bus were asked about places they visited during their stay in a city. The results are shown in the table. Sorry can't show the twoway table but here is the numbers for it. Visited the zoo and the museum 9, did not visit the zoo but visited the museum is 5, didn't visit the museum but visited the zoo is 14 and Didn't visit the zoo nor Didn't visited the museum is 2. Write the probability as a percent. round to the nearest tenth if needed. ____________% the numbers are from a two way table chart.

Answers

Thanks for sitting tight. Answers in attachment below.

*Percentages are close approximations to the probabilities. Ideally, the fractions should be used.

Which scenario can be represented using the inequalities below?

1.25 < x < 1.5

Answers

A container of milk costs at least $1.25 but less than $1.50.
A student spends at least 1 hour 15 minutes, but no more than 1 hour 30 minutes on homework.
A tip added to a restaurant bill is less than or equal to 25% or less than or equal to 50%.
The point value of a test item is more than 1.25 points and less than 1.5 points.

The correct representation of 1.25 < x < 1.5 is:
The point value of a test item is more than 1.25 points and less than 1.5 points.

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What are the approximate solutions of 2x2 + 9x = 8 to the nearest hundredth?a. x ≈ 1.22 and x ≈ 3.28 b. x ≈ −0.76 and x ≈ 5.26 c. x ≈ −1.22 and x ≈ −3.28 d. x ≈ −5.26 and x ≈ 0.76

A rectangle has an area of 8 square centimmetres and a perimeter of 12 cm. What are the width and breath?

Please help. I do not understand and I have limited time to do so

PLEASE PLEASE HELP IVE BEEN DOING THIS FOR AN HOUR