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kicyunya [14]
3 years ago
11

HURRY PLS i’ll give brainliest please help thanks :)

Mathematics
1 answer:
lianna [129]3 years ago
5 0

Answer:

67°F

Step-by-step explanation:

The mean is another way to say average.

To find the average: you have to add up all of the temperatures, then divide by how many numbers (in this case, time slots) are there.

58°F + 60°F + 61°F + 67°F + 69°F + 73°F + 74°F + 74°F = 536°F

536°F ÷ 8 (total number of time slots) = 67°F

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F(x )=x square +6x + 5 what is the x intercept to graph f(x)
siniylev [52]

Answer:

(-5, 0)

(-1, 0)

Step-by-step explanation:

x-intercepts are points where the graph intersects the x-axis (or when y = 0)

Step 1: Write out function

f(x) = x² + 6x + 5

Step 2: Factor

f(x) = (x + 5)(x + 1)

Step 3: Find binomial roots

x + 5 = 0

x = -5

x + 1 = 0

x = -1

Alternatively, you can graph the function and analyze the graph for x-intercepts:

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Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
A number multiplied by 12 is equal to the sum of the square root of that same number and 36. What is that number?
Pavlova-9 [17]

Answer:

3.15

Step-by-step explanation:

Let the unknown number be n.

Then 12n = √n + 36

We must eliminate the √ operator.  One way to do this is to replace √n temporarily with x.  Then 12n = 12x^2, and we have 12x^2 - x - 36 = 0.  This is a quadratic with a= 12, b= -1 and c = -36

Solving for x using the quadratic formula:

       1 plus or minus √(1 - 4(12)(-36)

x = ----------------------------------------------

                        2(12)

      1 plus or minus √1729

x = -----------------------------------

                        24

       1 plus or minus 41.58

x = -----------------------------------

                    24

Since x = √n, n must be a positive number.  Thus,

       1 + 41.58

x = ---------------- = 1.77

            24

If x = 1.77 = √n, then n = 1.77^2 = 3.15.

Check:  Is this true?  A number multiplied by 12 is equal to the sum of the square root of that same number and 36.

12(3.15) = √3.15 + 36, or

 37.8    =  1.77 + 36  = 37.77     This checks out.

The number is 3.15

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3 years ago
1. Determine the expression that could be used to eliminate the fractions in the expression below.
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See attachment for the answer:

6 0
3 years ago
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True [87]
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