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SOVA2 [1]
3 years ago
9

Look at the two temperatures. How much have they changed by? 4 degrees to -10 degrees

Mathematics
2 answers:
AnnyKZ [126]3 years ago
5 0

GIVEN:

Initial temperature = 4°C.

Final temperature = - 10°C.

ANSWER:

Now, Difference

  • - 10°C - 4° C
  • - 14°C.
aliina [53]3 years ago
4 0

Answer:

\displaystyle 14

Step-by-step explanation:

we are given two temperature

4 degrees and -10 degrees

since it says to figure out the changed

substract

\displaystyle 4 - ( - 10)

remove parentheses and change its sign

\displaystyle 4  + 10

simplify addition:

\displaystyle 14

and we are done!

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Over which interval is the graph of f(x) = one-halfx2 + 5x + 6 increasing?<br><br> (–6.5, ∞)
juin [17]

Using the first derivative test, it is found that the graph is increasing on the interval is (-5, ∞).

<h3>What is Function?</h3>

A function is a process or a relation that associates each element 'a' of a non-empty set A , at least to a single element 'b' of another non-empty set B.

Here, the function is given by:

        f(x)  =   x²/2 + 5x + 6

On differentiating both sides, with respect to x we get

      f'(x) = x + 5

Then, we test the signal of the derivative, which is the first derivative test.

      x + 5 ≥ 0

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Thus, It is found that the Function is increasing on the interval is (-5, ∞).

Learn more about Function from:

brainly.com/question/12431044

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7 0
1 year ago
Many states assess skills of their students in various grades. One program that is available for this purpose is the NAEP. One o
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Solution :

Given :

National mean score of the reading test that is conducted the NAEP = 288

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Therefore, P(X > x) = 0.25

P (Z > $\frac{x-288}{38} $ = 0.674)

$\frac{x-288}{38} = 0.674$

$x=288+(38 \times 0.674)$

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Therefore, the highest score that is needed for the students to be in the top of 25 percent among the students those who take the exam.

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2 years ago
What is an equation of the line that passes through the points (-3, 8) and (4, 1)?
butalik [34]

Answer:

The equation of the line is:

y=-x+5

Step-by-step explanation:

Given the points

  • (-3, 8)
  • (4, 1)

Finding the slope between the points

\left(x_1,\:y_1\right)=\left(-3,\:8\right),\:\left(x_2,\:y_2\right)=\left(4,\:1\right)

\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}

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m=-1

Using the point-slope form of the line equation

y-y_1=m\left(x-x_1\right)

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Add 8 to both sides

y-8+8=-\left(x+3\right)+8

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Therefore, the equation of the line is:

y=-x+5

8 0
2 years ago
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