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Brums [2.3K]
3 years ago
7

Evaluate. 8 x 7 = ( x 7) + (3 x 7) = + 21 11

Mathematics
1 answer:
Softa [21]3 years ago
4 0

Answer:

5

35

56

Step-by-step explanation:

8 x 7 = 56

Subtract 21 (3x7) from 56 (8x7) to get 35

Divide 35 by the given value 7 to get 5

5 x 7 = 35

35 + 21 = 56

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Determine the radius of a cylinder with a volume of 163 ft cubed with a height of 4 ft​
monitta

The volume of a cylinder is given by the product of its base area (i.e. the area of a circle) and its height:

V = \pi r^2\cdot h

Solving for r, we have

r=\sqrt{\dfrac{V}{h\pi}}

Plugging the numbers, we have

r=\sqrt{\dfrac{163}{4\pi}} \approx 3.6

8 0
4 years ago
The graph of f(x)=|x| is reflected over the y-axis and horizontally compressed by a factor of 1/9. Write a formula for function
Dmitry_Shevchenko [17]

Reflection over the y-axis = change x\mapsto -x

Compress by a factor of k = multiply by k

So, in your case, we first change the sign of the argument. Note that this has no effect, because f(x) is symmetric with respect to the y-axis:

|x|\mapsto |-x| = |x|

Then, we compress the function, multiplying it by the scaling factor:

|x| \mapsto g(x)=\dfrac{|x|}{9}

7 0
3 years ago
What is the area of a sector of a circle with a radius of 6 inches and formed by a central angle that measures 90°?
trapecia [35]

\bf \textit{area of a sector of a circle}\\\\ A=\cfrac{\theta \pi r^2}{360}~~ \begin{cases} r=radius\\ \theta =angle~in\\ \qquad degrees\\[-0.5em] \hrulefill\\ \theta =90\\ r=6 \end{cases}\implies A=\cfrac{(90)(\pi )(6)^2}{360} \\\\\\ A=\cfrac{3240\pi }{360}\implies A=9\pi \implies A\approx 28.2743

8 0
4 years ago
Read 2 more answers
Tania book has 300 pages.She reads 10 pages more than each day,she completes book in 6 days.how much does she read each day?
xz_007 [3.2K]

Answer:


Step-by-step explanation:

on day 1 she reads - 25 pages

on day 2 she reads - 35 pages

on day 3 she reads - 45 pages

on day 4 she reads - 55 pages

on day 5 she reads - 65 pages

on day 6 she reads - 75 pages



5 0
4 years ago
One half plus negitive two therds
alina1380 [7]
-1/6 thats the answer
7 0
3 years ago
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