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Stella [2.4K]
3 years ago
6

Solve and simplify: 4 1/2 x 2 1/3 A.9/2 B.7/3 C.63/6 D.10 1/2

Mathematics
2 answers:
vichka [17]3 years ago
6 0

Answer:

The answer is D. 10 1/2

Step-by-step explanation:

igor_vitrenko [27]3 years ago
5 0

Answer: 10 1/2

Step-by-step explanation:

Convert all mixed numbers into improper fractions

4 1/2 = 9/2

2 1/3 = 7/3

Now multiply 9/2 * 7/3

9*7=63

2*3=6

Get 63/6

Divide 63 and 6 and get 10.5

10.5 will equal to 10 1/2

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The coordinates of quadrilateral VWXY are given below. Find the coordinates of its image after a dilation with the given scale f
Lapatulllka [165]

Answer:

The coordinates of its image after dilation by a scale factor of 2 will be:

  • V'(12, 4)
  • W'(-4, 8)
  • X'(-6, -10)
  • Y'(6, -10)

Step-by-step explanation:

Given the quadrilateral VWXY

  • V(6, 2)
  • W(-2, 4)
  • X(-3, -5)
  • Y(3, -5)

A dilation by a scale factor of 2 means every coordinate of the original quadrilateral gets multiplied by the scale factor (x2).

<u>Using the formula of dilation by a scale factor of 2</u>

Dilation with scale factor 2, multiply by 2

(x, y) → (2x, 2y)

Thus, the coordinates of its image after a dilation will be:

(x, y)          →           (2x, 2y)

V(6,2)        →         (2(6), 2(2))        =      V'(12, 4)

W(-2, 4)     →         (2(-2), 2(4))       =      W'(-4, 8)

X(-3, -5)     →         (2(-3), 2(-5))      =      X'(-6, -10)

Y(3, -5)      →          (2(3), 2(-5))       =      Y'(6, -10)

Therefore, the coordinates of its image after dilation by a scale factor of 2 will be:

  • V'(12, 4)
  • W'(-4, 8)
  • X'(-6, -10)
  • Y'(6, -10)
8 0
3 years ago
Will mark brainliest for whoever answers
Sloan [31]

Answer:

8.5 hours

Step-by-step explanation:

30 mins per page ( 15 )

so, 30 × 15 = 450

each hour is 60 minutes so 450 ÷ 60 = 7.5

then add the 1 hour that she already took to write the outline, so 8.5 hrs

5 0
2 years ago
Read 2 more answers
(GIVING BRAINLIEST!!!)
AfilCa [17]

Answer:

Total\ length =  8\frac{5}{8}\ miles

Step-by-step explanation:

Given

See attachment for ski trails

Required

Total length of 2\frac{7}{8} ski trails

From the attached figure, there are 3 skis with length 2\frac{7}{8}\ miles

So:

The total length is:

Total\ length = 3 * 2\frac{7}{8}

Express fraction as improper fraction

Total\ length = 3 * \frac{23}{8}

Total\ length =  \frac{3 *23}{8}

Total\ length =  \frac{69}{8}

Total\ length =  8\frac{5}{8}\ miles

8 0
3 years ago
Negative two and three sevenths times 0.01
kirill [66]

Answer:

-0.02428571428

3 0
3 years ago
Evaluate the following expression for w=4. w^-3 =
slega [8]
W^-3
(4)^-3 = 1/(4)^3
1/64.

The solution is 1/64.
6 0
3 years ago
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