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il63 [147K]
3 years ago
6

Nicole has $9 to spend on cards she finds friends with the same amount of money to split the cost of a set one set cost $27 each

friend gets the same number of cards how many cards does each friend get?
Mathematics
1 answer:
Setler79 [48]3 years ago
8 0

Answer:

how many friends?

Step-by-step explanation:

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Which polynomials are listed with their correct additive inverse? Check all that apply.
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Answer:

The Numbers with no Variable (x,y) and an additive sign are the correct additive inverse

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Im sure this is correct its been a year since ive learned this i tried my best to remember <3

4 0
2 years ago
What are the center and radius of the circle described by the equation x2 + y2 + 6x + 10y + 18 = 0?
frosja888 [35]

Answer:

Step-by-step explanation:

What are the center and radius of the circle described by the equation x2 + y2 + 6x + 10y + 18 = 0?

Center (3.5); Radius 4

Center (-3,-5); Radius 4

O Center (3,5); Radius 16

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3 years ago
Which of the following represents the correct inequality statements
m_a_m_a [10]

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3 0
3 years ago
I) Find the volume in terms of pie
SVETLANKA909090 [29]

Answer:

i) pi×4500 cm³

ii) pi×600 cm²

iii) 14 liters

Step-by-step explanation:

in general : the diameter is 30 cm, the radius is half of that (15 cm)

i)

the volume of a cylinder is base area times height.

Vc = pi×r²×h = pi×15²×20 = pi×225×20 = pi×4500 cm³

ii)

similar to volume, the side "mantle" area of the cylinder is the circumference of the base area times height.

surface area of the cylinder mantle is

Scm = 2×pi×r×h = 2×pi×15×20 = pi×30×20 = pi×600 cm²

iii)

for this we need now to do the multiplication with pi and then convert the cm³ to liters.

1 liter = a cube of 10 cm side length = 10×10×10 = 1000 cm³

pi×4500 = 14137.17 cm³ = 14.13717 liters or rounded 14 liters

3 0
3 years ago
please help me with this :( I did the first one and I’m confused on the others I’ll mark u brainliest
Lena [83]

Answer:

second one:  -4x +6

third one: 4x - 16

fourth:   245x + 30

fifth: 81x - 21x

(last one) sixth: 1600x + 8x

( if this goes wrong then I did  something else)

3 0
3 years ago
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