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ra1l [238]
3 years ago
8

rewarding brainly for correct answer and if you dont get brainly lmk if you want me to make a post to give it to you or try and

look for an unanswered question i posted

Mathematics
2 answers:
bazaltina [42]3 years ago
7 0
-1,7 would be the last plot in creating a square
Llana [10]3 years ago
3 0

Answer:

-1, 7

Step-by-step explanation:

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A company mailed out 896,988 coupon booklets. The company sent the same number of
Anuta_ua [19.1K]

Answer:

4 and 6

Step-by-step explanation:

10 and 8 leave a remainder so can't be equal number of booklet

7 0
2 years ago
Read 2 more answers
A curve in polar coordinates is given by: r=9+3cosθ. Point P is at θ=21π/18 .?
ikadub [295]

Answer:

Step-by-step explanation:

Given that a curve in polar coordinates is given by:

r=9+3cosθ

a) At point P, we have

θ=\frac{21\pi}{18}

Substitute to get

r=9+cos \frac{21\pi}{18}\\=9.3932

b) Cartesian coordinate is

x= rcos \theta=3.6934\\y =r sin \tjeta =8.6365

c) At the origin r =0

when r =0

we have

9+3cos\theta=0\\cos\theta =-3

Since cos cannot take values as -3 it doe snot pass through origin.

6 0
3 years ago
If one container holds 55 balls, how many balls will nine containers hold? A. 395 B. 455 C. 355 D. 495
vivado [14]
D, 495.

9 x 55 = 495, so nine containers can hold 495 balls.
3 0
3 years ago
Read 2 more answers
If the square of twice a number is 81, what is the number? I tried doing 2x^2=81 but that did not come out to the answer 4.5,-4.
Vlada [557]
If the number is n then

square of 2 times a number
square of 2n
(2n)²
that was your mistake, because (2n)²=4n², not 2n²

the result is 81
(2n)²=81
square root both sides
remember positive and negative roots
2n=+/-9
divide by 2
n=+/-4.5

n=4.5 or -4.5
4 0
3 years ago
David wants to buy a game system . The game cost $25 and it is 1/5 of the price of the game system .how much does the game syste
Scorpion4ik [409]

Answer:

$125

Step-by-step explanation:

Multiply what 1/5 of the price is, 25 x 5 = 125

6 0
3 years ago
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