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Ludmilka [50]
3 years ago
12

How does multiplying a vector by a scalar value of -pi / 4 change the vector?

Mathematics
1 answer:
makvit [3.9K]3 years ago
8 0

Answer:

The vector will change in direction and decrease in magnitude

Step-by-step explanation:

Given:

vector multiplication by -π/4

-π/4= -0.785

Due to the negative sign "-", the, vector will change/reverse its direction.

And as of the magnitude, 0.785<1 hence the magnitude of vector will be decreased by this factor !

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100 points<br> (algebra one)<br> describe and correct the error in comparing the graphs
Pepsi [2]

Answer:

The error made is that the graph of y=x^{2} +3 is a vertical translation up by 3, instead of down.

Step-by-step explanation:

Exponential functions, when they are graphed, use the function f(x)=a(x-h)^{2} +k.

In the equation, k expresses how much the graph shifts vertically. In this case, the function shifts vertically up by 3 from the parent function, y=x^{2}. So, the translation is actually 3 units up compared to the graph of y=x^{2}.

Hope this helps and have an amazing day!! ❤

3 0
3 years ago
How many minutes is 40% of 2 hours
andrew11 [14]
1 hours is equal to 60 minutes.
2 hours = 120 minutes

40% is 120 minutes = 120*40/100 = 48 minutes
6 0
3 years ago
Ratio of blue to green sweets is 2:7 Ration of green to red sweets is 3:1 There are less than 140 sweets in the bag Greatest amo
UNO [17]

Answer:

35 sweets

Step-by-step explanation:

Ratio of blue to green sweets is 2:7 Ration of green to red sweets is 3:1 There are less than 140 sweets in the bag Greatest amount of red sweets

Ration of green to red sweets is 3:1

Total Proportion = 3 + 1 = 4

Total number of sweet = > 140 sweets

The greatest amount of red sweets =

1/4 × 140 = 35 sweets

8 0
2 years ago
What solid 3D object is produced by rotating the rectangle about line m?
Roman55 [17]

Answer:

A. A cylinder with diameter 8 units

Step-by-step explanation:

∵ The <u>line</u> m is the <em>central axis</em>

So the radius is 4 units. ∴ Diameter is 8 units.

∵ The picture is a <em>rectangle</em>.

[ The <em>rectangle rotates</em> are its side to form a <em>cylinder</em> ]

So a cylinder with diameter 8 units.

The answer is A.

7 0
2 years ago
Which is an equation?
liq [111]

Answer:

c

Step-by-step explanation:

because it has an equal sign

3 0
3 years ago
Read 2 more answers
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