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mojhsa [17]
2 years ago
5

Which monomial is a perfect cube? 49p9q3r24 81p12q15r12 121p9q3r6 343p6q21r6

Mathematics
2 answers:
zimovet [89]2 years ago
8 0

Answer:

Step-by-step explanation:

49p9q3r24        7² 3² 3 24

81p12q15r12       9² 12 15 12

121p9q3r6          11² 3² 3  6

343p6q21r6      342  6 21 6

professor190 [17]2 years ago
8 0

Answer:

D on edge 2021

Step-by-step explanation:

the answer is D on edge 2021

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Can you give me an equation that equals to 31
lys-0071 [83]
There are m any examples of equations that equal 31. Here are a few:
17 + 14
30 + 1
60 - 29

I like this one though (its 2 step)

(15 x 2) + 1

Hope this helped :)
7 0
3 years ago
Read 2 more answers
The length of a rectangle is 5 more than twice the width. If the perimeter of the rectangle is 34, what is the length?
larisa86 [58]
Answer:


C. 13


5 more than twice the width is 13

8 0
3 years ago
Solve the first equation in the system for y.
Alja [10]

Answer:

y=1-2x

x=2

(x,y)=(2,-3)

Step-by-step explanation:

5 0
3 years ago
Help, please (single variable calculus)
balandron [24]

Hi there!

\large\boxed{ 14.875}

Our interval is from 0 to 3, with 6 intervals. Thus:

3 ÷ 6 = 0.5, which is our width for each rectangle.

Since n = 6 and we are doing a right-riemann sum, the points we will be plugging in are:

0.5, 1, 1.5, 2, 2.5, 3

Evaluate:

(0.5 · f(0.5)) + (0.5 · f(1)) + (0.5 · f(1.5)) + (0.5 · f(2)) + (0.5 · f(2.5)) + (0.5 · f(3)) =

Simplify:

0.5( -2.75 + (-3) + (-.75) + 4 + 11.25 + 21) = 14.875

7 0
3 years ago
What is the area of the sector with a central angle of 49° and a radius of 11 cm? Use 3.14 for pi and round your final answer to
olga_2 [115]

Answer:

\boxed{\text{51.71 cm}^{2}}

Step-by-step explanation:

If the angle θ is in radians, the formula for the area (A) of a sector of a circle is

A = ½r²θ

If θ is in degrees

A = \dfrac{1}{2}r^{2}\theta \times \dfrac{\pi \text{ rad}}{180^{\circ}}= \pi r^{2}\times\dfrac{\theta }{360}

Data:

θ = 49°

r = 11 cm

Calculation:

\begin{array}{rcl}A& = &3.14\times 11^{2}\times\dfrac{49}{360}\\\\ & = &3.14 \times 121 \times 0.1361\\ & = & \mathbf{51.71}\\\end{array}\\\text{The area of the sector is }\boxed{\textbf{51.71 cm}^{2}}

4 0
3 years ago
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