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bekas [8.4K]
3 years ago
10

Ingrid walked her dog and washed her car. The time she spent walking her dog was one-half the time it took her to wash her car.

It took Ingrid 24 minutes to walk the dog. How long did it take Ingrid to wash her car? Use the variable w to represent how long it took Ingrid to wash her car.
Mathematics
1 answer:
Inessa [10]3 years ago
6 0

Answer:

24m+24m=48m

Ingrid spent 48 minutes washing her car

Step-by-step explanation:

Plssss markkk me blainliest

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3 years ago
Function f is shown below <br> f(-3) <br> f(4)<br> find x when f(x) = 5<br> find x when f(x)= -3
hjlf

Answer:

See below ~

Step-by-step explanation:

Based on the graph,

  1. <u>f(-3)</u>
  • f(-3) = 0

   2. <u>f(4)</u>

  • f(4) = -3

   3. <u>x when f(x) = 5</u>

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   4. <u>x when f(x) = -3</u>

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4 0
2 years ago
Assume that blood pressure readings are normally distributed with a mean of 123 and a standard deviation of 9.6. If 144 people a
Vanyuwa [196]

Answer:

The probability is 0.9938

Step-by-step explanation:

In this question, we are asked to calculate the probability that the mean blood pressure readings of a group of people is less than a certain reading.

To calculate this, we use the z score.

Mathematically;

z = (mean - value)/(standard deviation/√N)

From the question, we can identify that the mean is 125, the value is 123 , the standard deviation is 9.6 and N ( total population is 144)

Let’s plug these values;

z = (125-123)/(9.6/√144) = 2.5

Now we proceed to calculate the probability with a s score less than 2.5 using statistical tables

P(z<2.5) = 0.9938

8 0
3 years ago
Uhhh please help me. I dont know why i dont understand this problem
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7 0
3 years ago
What is the solution to the system of equations below?<br> Y=-1/3x+6 and x=-6
OleMash [197]

\left\{\begin{array}{ccc}y=-\frac{1}{3}x+6\\x=-6\end{array}\right\\\text{put the value of x to the first equation}\\\\y=-\dfrac{1}{3}\cdot(-6)+6=2+6=8\\\\\text{Answer:}\ x=-6;\ y=8\to(-6;\ 8)

7 0
3 years ago
Read 2 more answers
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