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Schach [20]
2 years ago
11

Ms. Johnson was taking measurements in the Arctic Ocean and measured a temperature of -14.4 degrees Celsius. The temperature inc

reased 8.4 degrees over the next 6 hours, followed by a decrease of 7.25 degrees over the following 6 hours. What was the final temperature after both of these measured changes?
Mathematics
1 answer:
otez555 [7]2 years ago
3 0

Answer:

qwertyuiop

Step-by-step explanation:

You might be interested in
Which statement must be true about the diagram?
Tcecarenko [31]

Answer:

It's the third choice.

Step-by-step explanation:

M < NKM and m < MKL both equal  61 degrees

so KM is a bisector of < NKL.

5 0
3 years ago
Read 2 more answers
Choose the equation below that represents the line passing through the point (−2, −3) with a slope of −6.
Daniel [21]
Y=mx+b where m=-6, x=-2, and y=-3. Substituting these values in would result in -3=(-6)(-2)+b, which would simplify to -3=12+b, and further to b=-15. This would mean the y intercept is equal to -15, or (0,-15). To check, (-6)*(-2)-15 is in fact equal to -3, thus allowing easy identification of a graph, which will cross the y axis at -15 and decrease in y-value by 6 with every increase in x-value.
7 0
2 years ago
30 POINTS PLEASE HELP!!! 4. The following equations represent the same quadratic function written in standard, vertex, and inter
sergij07 [2.7K]

Answer:

A

Step-by-step explanation:

So we have the quadratic equation and it's written in three equivalent forms:

f(x)=0.5x^2+x-1.5\\f(x)=0.5(x+1)^2-2\\f(x)=(0.5x+1.5)(x-1)

Let's determine the characteristics of the quadratic equation with the given equations.

From the first equation, since the leading coefficient (0.5) is positive, we can be certain that the graph opens upwards.

Also, the constant term is -1.5, so the y-intercept is (0,-1.5).

The second equation is the vertex form. Vertex form has the format:

f(x)=a(x-h)^2-k

Where (h,k) is the vertex. From the second equation we know that h is -1 (because (x+1) is the same as (x-(-1))) and k is -2. Therefore, the vertex is (-1,-2).

And since the graph points upwards, this means that (-1,-2) is the minimum point of the function. In other words, the range of the function is greater than or equal to -2. In interval notation, this is:

[-2,\infty)

This also means that the end behavior of the graph as a x approaches negative and positive infinity is positive infinity because the graph will always go straight up.

Also, the third form is the factored form. With that, we can solve for the zeros of the quadratic. The zeros are:

0.5x+1.5=0\text{ and } x-1=0\\0.5x=-1.5 \text{ and }x=1\\x=-3\text{ and }x=1

Therefore, the graph crosses the x-axis at x=-3 and x=1.

So, from the three equations, we gathered the following information:

1) The graph curves upwards.

2) The roots of zeros of the function is (-3,0) and (1,0).

3) The y-intercept is (0,-1.5).

4) The vertex is (-1,-2). This is also the minimum point.

5) Therefore, the range of the graph is all values greater than or equal to -2.

6) The end behavior of the graph on both directions go towards positive infinity.

Therefore, our correct answer is A.

B is not correct because the line of symmetry (or the x-coordinate of the vertex) here is -1 and not 1/2.

C is not correct because the graph goes towards <em>positive </em>infinity since it shoots straight up.

And D is not correct because the y-intercept is (0,-1.5).

3 0
2 years ago
Read 2 more answers
What would be answer to -9p - 17 =
solong [7]

Answer:The Answer To Your Problem Is negative 26 (-26.)

Step-by-step explanation:

First: If the equation has different signs it'll be equal to a negative sooo...

Second:Subtract -9 - 17

Third: Answer: -26

Fourth: Use a Calculator to check if it's correct.

Hope I was very helpful.

6 0
3 years ago
HELP ASAP!! ILL GIVE BRAINLIEST
vivado [14]
The slope is 2.36
and the y intercept is 4.29 or (0,4.29)
i can’t answer the second part of each question because i don’t know the context!!
5 0
2 years ago
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