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Strike441 [17]
3 years ago
10

Write an expression for the verbal phrase: the difference between k and half of b is 47

Mathematics
1 answer:
Helga [31]3 years ago
6 0

k-1/2b=47 because the difference is subtraction and half b is a half fraction and  it equals 47.

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Do number 4 please DONT get it wrong or i block report, i really need help please :)
andriy [413]

Area of the figure = 30.28 m²

Solution:

The given image is splitted into two shapes.

One is rectangle and the other is semi-circle.

Length of the rectangle = 6 m

Width of the rectangle = 4 m

Area of the rectangle = length × width

                                    = 6 m × 4 m

                                    = 24 m²

Area of the rectangle = 24 m²

Diameter of the semi-circle = 4 m

Radius of the semi-circle = 4 m ÷ 2 = 2 m

Area of the semi-circle = \frac{1}{2} \ \pi r^2

                                      $=\frac{1}{2} \times 3 .14 \times 2^2

                                      =6.28

Area of the semi-circle = 6.28 m²

Area of the figure = Area of the rectangle + Area of the semi-circle

                              = 24 m² + 6.28 m²

                              = 30.28 m²

Area of the figure = 30.28 m²

3 0
3 years ago
Using the segment addition postulate, which is true?
marusya05 [52]

Answer:

D

Step-by-step explanation:

For the segment addition postulate, two segments added together have to equal the third segment. In other words, if we added them together, the sum should be the first letter of the first line and the second letter of the second line.

BC + CD = BD

6 0
3 years ago
2(5m^4n^-1)^3 simplify show work please
dangina [55]

Answer:

\large\boxed{2(5m^4n^{-1})^3=250m^{12}n^{-3}=\dfrac{250m^{12}}{n^3}}

Step-by-step explanation:

\text{Use}\\\\(ab)^n=a^nb^n\\\\(a^n)^m=a^{nm}\\\\a^{-n}=\dfrac{1}{a^n}\\-------------------\\\\2(5m^4n^{-1})^3=2(5)^3(m^4)^3(n^{-1})^3=2(125)m^{3\cdot4}n^{-1\cdot3}=250m^{12}n^{-3}=\dfrac{250m^{12}}{n^3}

8 0
3 years ago
How you could multiple 6×99 in your head?
Andrew [12]
99 is 1 less than 100.
(100-1)×6

100×6=600
-1×6=-6

600-6=<span>594

Answer: 594</span>
4 0
3 years ago
Read 2 more answers
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Murljashka [212]
All u have to do is divide the answer is %3
4 0
3 years ago
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