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Dafna1 [17]
3 years ago
10

Which sequence of transformations will change figure PQRS to figure P′Q′R′S′?

Mathematics
2 answers:
VMariaS [17]3 years ago
6 0
Revelation Helen back hence genius baked branches
masya89 [10]3 years ago
3 0

Answer:

Counterclockwise rotation about the origin by 90 degrees followed by reflection about the y-axis .

Step-by-step explanation:

The shape is moved to the opposite quadrant of the second shape then flied directly onto the second shape.

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Find the magnitude of v. v = -3i+ 40 + 7k v =
kherson [118]

Answer:

The magnitude of the given vector is 40.72 units.

Step-by-step explanation:

The given vector is v=-3\widehat{i}+40\widehat{j}+7\widehat{k}

We know that for any vector 'r' \overrightarrow{r}=x\widehat{i}+y\widehat{j}+z\widehat{k} the magnitude is given by

|r|=\sqrt{x^{2}+y^{2}+z^{2}}

Comparing with the given vector we have

x = -3

y = 40

z = 7

Thus the magnitude equals  

|v|=\sqrt{(-3)^{2}+40^{2}+7^{2}}

|v|=40.72

5 0
3 years ago
-1/2(3x-4)+3x=5/6<br> Please help
Ksenya-84 [330]

Answer:

  x = -7/9

Step-by-step explanation:

The usual recommendation is to clear fractions first. Here, you can do that by multiplying both sides of the equation by 6.

  6(-1/2(3x -4) +3x) = 6(5/6)

  -9x +12 +18x = 5 . . . . . . . . . simplify

  9x = -7 . . . . . . . . . . . . . . . . . subtract 12

  x = -7/9 . . . . . .divide by 9

__

Another way to do this is to eliminate parentheses first.

  -3/2x +2 +3x = 5/6

  3/2x = -7/6 . . . . . . . . . collect terms, subtract 2

  x = (-7/6)(2/3) = -7/9 . . . . multiply by 2/3

3 0
3 years ago
Consider the function g(x)=3x+2x-4 (a)(-2) (b)(0) (c)(4) (d)(15)
WINSTONCH [101]

Answer:

c

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
The midpoint of -7 and 8 on the number line is 1/2 true or false
Phoenix [80]

Answer:

True

Step-by-step explanation:

Yo find the midpoint between 2 points x1 and x2

midpoint = (x1+x2)/2

midpoint = (-7+8)/2

midpoint = 1/2

8 0
3 years ago
Find the value of x in the triangle shown below.
Crazy boy [7]

Answer:

i think its the same as one of the angles: 42º

correct me if im wrong

3 0
3 years ago
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