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mrs_skeptik [129]
3 years ago
6

Use the order of operations to simplify the given expression. 4−6+2⋅7

Mathematics
2 answers:
andrezito [222]3 years ago
6 0

Answer:

19

Step-by-step explanation:

PEMDAS

no parenthesis

no exponents

4-6+2 x 7

4-6+ 17

no division

4-6=2

2+17

19 is the answer

grandymaker [24]3 years ago
3 0
To solve this equation, you can use PEMDAS. P-parenthesis E-exponents M and D-multiplication and division, A and S- addition and subtraction

4-6+2•7
First step, multiply
4-6+14
Next, add and subtract. At this step, you solve left to right
-2+14
12

The answer to this problem is 12.
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GarryVolchara [31]

9514 1404 393

Answer:

  • positive
  • negative

Step-by-step explanation:

The thrust of the question is to make sure you understand that increasing the y-coordinate of a point will move the point upward, and decreasing it will move the point downward.

That is adding a positive value "k" to x^2 will move the point (x, x^2) to the point (x, x^2+k), which will be above the previous point by k units.

If k is subtracted, instead of added, then the point will be moved downward.

The blanks are supposed to be filled with <u> positive </u>, and <u> negative </u>.

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<em>Comment on the question</em>

The wording of the statement you're completing is a bit odd. If k is negative (-2, for example), this statement is saying the graph is translated down -2 units. It is not. It is translated down |-2| = 2 units. The direction of translation depends on the sign of k. The amount of translation depends on the magnitude of k.

If you thoroughly understand (x, y) coordinates and how they are plotted on a graph, it should be no mystery that changing the y-coordinate will change the vertical position of the graph.

3 0
3 years ago
Evaluate the integral. (3 + 1/4 u^4 − 2/3 u^9) du
polet [3.4K]
<span> (3 + 1/4 u^4 − 2/3 u^9) du</span>

6 0
3 years ago
Please could I have some help :)
nirvana33 [79]

Answer:

a) x = 128 degrees

b) Angle APD is the arc angle, which is equal to the central angle x subtended by the arc.  Therefore angle APD = 128 degrees (and not 116 degrees)

Step-by-step explanation:

Given:

attached diagram

ABC is a straight line

Solution:

a) Find x

ABC is a straight line

angle ABD = supplement of CBD = 180-CBD = 180-116 = 64 degrees.

x is the central angle of the arc APD

so angle ABD is the inscribed angle which equals half of the arc angle =>

angle ABD = x/2 = 64 degrees

Solve for x

x/2 = 64

x = 2*64

x = 128 degrees

b.

Angle APD is the arc angle, which is equal to the central angle x subtended by the arc.  Therefore angle APD = 128 degrees (and not 116 degrees)

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3 years ago
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Gelneren [198K]

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Step-by-step explanation:

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and

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