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Posted in Mathematics

A fox, a coyote, and a wolf weigh a total of 120 pounds. The ratio of the weight of the fox to the weight of the coyote is 3:8. The weight of the coyote is 32 pounds. What is the weight of the wolf?


You haven't given enough information. The best I can say is that the wolf weighs 50 pounds, but I don't think that is right..

Related Questions

Posted in Mathematics

The soccer team voted on what they wanted to eat. there are 20 members on the team. six members voted for pizza, 10 voted for chicken, and the rest voted for hot dogs. which ratio represents the number of votes for hot dogs to chicken

Since there are 20 members in the soccer team. Then six members voted to eat pizza and 10 member voted to eat chicken and the rest is hotdog

Member voted for hotdog = 20 – 10 – 6 = 4

Ratio for hotdog to chicken is 10 : 4 or 5:2

Posted in Mathematics

What is the ratio of the area of the inner square to the area of the outer square? (a−b)²+b²/a² a²−b²/a² (a−b)²/(a+b)² (ab)²/(a+b)²

The answer is
(a−b)²+b²/a²


proof

if A is the area of the
inner squared, so A= c², and c²= (a−b)²+b²

so the side of the outer must be a-b +b=a, its area is a²

Posted in Mathematics

The measured weights of 1,000 men in a certain village follow a normal distribution with a mean of 150 pounds and a standard deviation of 15 pounds. Which sentence most closely summarizes the data? About 160 people weigh more than 165 pounds. About 320 people weigh more than 165 pounds. About 320 people weigh less than 165 pounds. About 640 people weigh less than 165 pounds.

Z = (X-Mean)/SD 
z1 = (165 - 150)/15 = +1 
z2 = (135 - 150)/15 = - 1 
According to the Empirical Rule 68-95-99.7 
Mean +/- 1SD covers 68% of the values 
100% - 68% = 32% 
The remaining 32% is equally distributed below z = - 1 and z = +1 
32%/2 = 16% 

Therefore, 

a) Number of men weighing more than 165 pounds = 16% of 1000 = 160 
b) Number of men weighing less than 135 pounds = 16% of 1000 = 160

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Let P be a point between points S and T on 2004-01-01-02-00_files/i0120000.jpg. If ST = 21, SP = 3b – 11, and PT = b + 4, solve for b. A. –7 B. 7 C. 14 D. 32

The best and most correct answer among the choices provided by your question is the third choice or letter C.

If ST = 21, SP = 3b – 11, and PT = b + 4, the value of b would be 14.


I hope my answer has come to your help. God bless and have a nice day ahead!

Posted in Mathematics

A laptop computer sells for $850. the sales tax is 7%. what is the total cost of the laptop?

Answer:

$909.50

Step-by-step explanation:

$850 x 7% = $59.50 (tax amount)

850 x (1+ 0.07) = $909.50

Posted in Mathematics

2 ratios equivalent to 8\3


Some equivalent fractions of 8/3 are:
8/3 = 16/6 = 24/9 = 32/12 = 40/15 = 48/18 = 56/21 = 64/24 = 72/27 = 80/30 = 88/33 = 96/36 = 104/39 = 112/42 = 120/45 = 128/48 = 136/51 = 144/54 = 152/57 = 160/60

Posted in Mathematics

The ratio of boys to girls in Mrs. Ronilo's math class is 3 to 1. What PERCENT of the class is girls?

Answer:25 %

Step-by-step explanation: there are 4 parts and 1 of those is girls 1 divided by 4 is 0.25, which is 25%

Posted in Mathematics

Mrs. Donley's math class has a total of 25 students. On Friday, the class was given an eight question quiz on fractions. The number of incorrect answers given by the students is shown below. Incorrect Answers Number of Students 0 5 1 7 2 4 3 6 4 2 5 1 What is the relative frequency of students that missed 1 question on the quiz? A. 0.28 B. 0.48 C. 0.35

You need to find the amount of students who missed one question, and divide that by the total number. If you sum all the students, you find that there are 25 students. From the chart, 7 missed 1 question, therefore the solution would be 7/25, which is 0.28, or A.

A. 0.28

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Posted in Mathematics

Your $1000 investment in an energy stock doubles. Your $1000 investment in a tech stock drops in half. What was the total return on the two investments?

Total return, when measuring performance, is the actual rate of return of aninvestment or a pool of investments over a given evaluation period. Total returnincludes interest, capital gains, dividends and distributions realized over a given period of time.

So the total return = (1000*2) + (1000/2) = $2500

Posted in Mathematics

What is the common ratio for the geometric sequence? 54, 36, 24, 16...

Geometric ration, r = 36/54 or 24/36 which is equal to 2/3

So, your final answer is 2/3

Hope this helps!

Posted in Mathematics

Rachel bought 48 ounces of nuts. how much is this in pounds

We Know, 1 lbs = 0.0625 ounces
so, 48 ounces will be: 48*0.0625 = 3

So, your final answer is 3

Hope this helps!

Posted in Mathematics

Membership in the fishing club went from 120 members last year to 87 members this year. What was the percent of decrease in membership?

It would be: 87/120 * 100 = 72.5

Percentage decrease = 100 - 22.5 = 27.5

So, your final answer is 27.5%

Hope this helps!

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Posted in Mathematics

The rainfalls 2 years ago was 10.2 inches.last year total was 20 percent greater. what was last years rainfalls total

It would be: 10.2 + 10.2 * 0.20
= 10.2 + 2.04 = 12.24

So, your final answer is 12.24

Hope this helps!

Posted in Mathematics

Boris bought 22 pounds of rice for $10. How many pounds of rice did he get per dollar?

Here, for $10, rice = 22
So, for $1, it would be: 22/10 = $2.2

So, your final answer is $2.2

Hope this helps!

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Posted in Mathematics

A. Show that the system of rational expressions is closed under addition, or give an example showing the contrary.

A "rational expression" is a fraction in which the numerator and the denominator are both polynomials. The sum of two such expressions will always produce another such expression, viz., 
p(x)/q(x) + r(x)/s(x) = [p(x)s(x) + q(x)r(x)] / [q(x)*s(x)]. 
The numerator and denominator of the sum will both be polynomials when fully expanded

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Posted in Mathematics

How can an expression written in either radical form or rational exponent form be rewritten to fit the other form?

When dealing with radicals and exponents, one must realize that fractional exponents deals directly with radicals. In that sense, sqrt(x) = x^1/2
Now, how to go about doing this:

In a fractional exponent, the numerator represents the actual exponent of the number. So, for x^2/3, the x is being squared.

For the denominator, that deals with the radical. The index, to be exact. The index describes what KIND of radical (or root) is being taken: square, cube, fourth, fifth, and so on. So, for our example x^2/3, x is squared, and that quantity is under a cube root (or a radical with a 3). Here are some more examples to help you understand a bit more:
x^6/5 = Fifth root of x^6
x^3/1 = x^3
^^^Exponential fractions still follow the same rules of simplifying, so...
x^2/4 = x^1/2 = sqrt(x)

Hope this helps!

Posted in Mathematics

You are spreading fertilizer on a golf course at the rate of 40 pounds per 10000 square feet. If the course is 320 acres, how many tons of fertilizer will be needed?

If you are spreading fertilizer on a golf course at the rate of 40 pounds per 10,000 square feet and the course is 320 acres, you can calculate the amount of fertilizer that will be needed by converting acres to square feet. So, 320 acres are 13,939,200 square feet which means you will need 55,756.8 pounds of fertilizer. 

Posted in Mathematics

The total cost for Saturday's shipment, $1800, is represented by the equation 15x+20y=1800. Help me intercepts X- and y- intercepts

You could find the x and y-intercepts by isolating these variables on one side. We'll start by finding y.

15x+20y=1800
20y=1800-15x
y=(1800-15x)/20

Now, we insert this y into the original equation (substitution).

15x+20[(1800-15x)/2]=1800

Now we combine like terms and solve for x.

15x+(36000-300x/2)=1800
36000-300x/2=-15x+1800
36000-300x=-30x+3600
36000=270x+3600
32400=270x
x=120

So the x-intercept is 120. Now, we can either go through that long process again to find the y-intercept (which is really inefficient, and you probably won't have time to do so on a test), or we can just input the x value we got into the original equation.

15x+20y=1800
15(120)+20y=1800
1800+20y=1800
20y=0
y=0

I'm not 100% sure about the y being 0, but I'm pretty sure. Hope this helped.


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