3 years ago

Please help me with these questions FAST it's formal and I can't faillllllll!!!!!!,

Mathematics

1 answer:

GaryK [48]3 years ago

3 0

A. I think it would be -40/297

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A store is having a sale on almonds and jelly beans. For 5 pounds of almonds and 6 pounds of jelly beans, the total cost is $24.

Archy [21]

Answer:

x = $1.5, y = $2.75

Step-by-step explanation:

5x + 6y = 24

3x + 2y = 10

Solve for y

2y = 10 - 3x

y = 5 - 3/2x

Plug y into first equation

5x + 6y = 24

5x + 30 - 9x = 24

-4x = -6

x = $1.5

y = $2.75

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2 years ago

Please Help Me My Question is in the picture.

galina1969 [7]

Answer:

377

Step-by-step explanation:

AL=2πrh=2·π·10·6≈376.99112

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2 years ago

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Write the sum using summation notation, assuming the suggested pattern continues. 6, -18, 54, -162, +… Is this sequence arithmet

telo118 [61]

Answer:

Hello,

This sequence is geometric with a ratio of -3

the first term is 6

Step-by-step explanation:

$u_1=6\\u_2=-18=6*(-3)=u_1*(-3)\\u_3=54=-18*(-3)=u_2*(-3)=u_1*(-3)^2\\u_4=-162=u_3*(-3)=u_1*(-3)^3\\\\...\\u_{n+1}=u_1*(-3)^n\\\\\displaystyle \sum\limits^\infty _{i=1}u_i = \lim_{n \to \infty} \sum\limits^n _{i=1}u_1*(-3)^{i-1}\\=6*\lim_{n \to \infty} \sum\limits^\infty _{i=1}(-3)^{i-1}\\=6*\frac{1-(-3)^n}{1-(-3)} \\=\dfrac{3}{2} *({1-(-3)^n)\\$

serie does not converge.

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2 years ago

A rectangle is placed around a semicircle as shown below. The width of the rectangle is 3 mm . Find the area of the shaded regio

Radda [10]

Answer:

fart

Step-by-step explanation:

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3 years ago

PLS HELP!! BRAINLIESt & 20 POINTS!! AND AN EXTRA THANKS AND 5 STARS

sasho [114]

Answer:

Step-by-step explanation:

a) Frequency table:

Category Frequency

Dog 4

Cat 3

Fish 2

Hamster 1

b) Relative frequencies of each animal type

Dog: 4/10 = 0.4

Cat: 3/10 = 0.3

Fish: 2/10 = 0.2

Hamster: 1/10 = 0.1

c) Popularity

Dog is the most popular because it has the highest relative frequency.

Hamster is the least popular because it has the lowest relative frequency.

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3 years ago