Anita works for a dog-walking service. She earns a one-time fee of $10 plus an additional $2 for each dog she walks. If Anita wants to earn at least $40, what is the minimum number of dogs she must walk?

Answers

Answer 1

Answer: 40=10+2x where x is the number of dogs.
30=2x
x=15
Therefore she must walk 15 dogs

Hope this helps :)

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Shaunae Miller-Uibo won the gold medal in the 400 meter race at the 2021 Olympics. Her time was 48.36 seconds. Marileidy Paulino won the silver medal in the race with a time of 49.2 seconds. How many seconds separated the top two runners?
Which amounts form part of the total cost of a mortgage
Please can someone help me with both questions. Thank you. Work is due tomorrow.
Which system of equations could be graphed to solve the equation below?log (2 x + 1) = 3 x minus 2(Image Attached Below)
A construction worker bought several bottles of juice for $3 at the convenience store. She paid for them with a $20 bill.If "J" represents the number of bottles of juice,write an expression for the change she should receive. Solve.Show each step.

Is the ordered pair (4, 20) a solution to the equation y = 5x? If yes, is it the only solution?A. Yes, and it is the only ordered pair that fits the equation. B. Yes, but it is not the only solution to the equation. C. No, because the ordered pair does not fit the equation.

Answers

The answer is yes, it is an answer. Plug in the values. The x comes first and y is second in the order pair. 5*4=20
Now, no, it is not the only answer. There are infinitely many solutions. Any value can be x, y is just 5 times larger.
So the answer is B, hope this helps!

Please help me answer this ASAP! The two-way table shows the number of ninth and tenth graders who prefer going to sporting events or going to the movies.Among tenth graders, what is the relative frequency of preferring sporting events? Express your answer as a decimal, and round to the nearest hundredth if necessary

Answers

Answer

0.43

Explanation

Remember that $RelativeFrecuency=(Frecuency)/(SumOfAllFrecuencies)$

Since the problem is telling us "Among tenth graders", we must focus on the 10th graders row only. From the row, we can infer that the frequency is the number of 10th graders who prefer going to sporting events, so $Frecuency=6$ . Now, the sum of all frequencies will be the sum of all the 10th graders, so $SumOfAllFrecuencies=6+8=14$ . Let's replace the values:

$RelativeFrecuency=(Frecuency)/(SumOfAllFrecuencies)$

$RelativeFrecuency=(6)/(14)$

$RelativeFrecuency=0.4285$

And rounded to the nearest hundredth:

$RelativeFrecuency=0.43$

Answer:

0.43

Step-by-step explanation:

I took the k12 quiz

so an athlete trains on a circular track of radius 40m and jogs 10 laps each day 5 days a week. how far dose he jog each week?

Answers

ok. he jogs 10 laps in a day and each lap is 40 m so 10 times 40 is 400
he jogs 400 meters in a day then multiply that by 5 for the week
400 times 5 is 2000
he jogs 2000 meters each week

Which is most likely the correlation coefficient for the set of data shown-0.65

-0.19

0.19

0.75

Answers

The most likely correlation coefficient of the data set is: C. 0.19.

What is the Correlation Coefficient of a Data Set?

On a scatter plot, the farther apart the data points are from each other, the farther the correlation coefficient would be from 1 or -1.

Also, a if the slope of the scatter plot increases from left to your roght upwards, the correlation coefficient of the data set would be positive.

The scatter plot that is given shows this patern, therefore, the most likely correlation coefficient of the data set is: C. 0.19.

Learn more about correlation coefficient on:

brainly.com/question/1107120

Answer:

The answer is C. O.19 on ed.

Step-by-step explanation:

I took the test and got it right

Is 49 prime or composite

Answers

If it has any other factors besides ' 1 ' and '49',
then it's composite.

7 is a factor of 49. (In fact, it's two of them.)

So 49 is composite.

Prime because nothing can time to equal it but 1x49.

calculate the volume of a cylinder whose height is (2x-5) inches and whose base has a radius of (x-5) inches round your answer to the nearest tenth of a cubic inch

Answers

v=(1/3)hpir^2
aprox pi to 3.14 fo this problem
v=(1/3)(2x-5)(3.14)(x-5)^2
v=(1/3)(2x-5)(3.14)(x^2-10x+25)
v=(1/3)(3.14)(2x^3-25x^2+100x-125)
v=(1/3)( $6.28x^(3)-78.5x^(2)+314x-392.5$ )
v= $(6.28x^(3)-78.5x^(2)+314x-392.5)/(3)$
and since we don't know what x,height, or radius or diameter or surface area or anything about the cylinder, we can't solve

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