3 years ago

A lunch menu consists of 4 different kinds of sandwiches, 5 different kinds

Mathematics

1 answer:

dolphi86 [110]3 years ago

8 0

3 choices sandwich soup drink look at all the numbers

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If i^2 = −1 and x = i + 9, which is the result of squaring x?

Anestetic [448]

Answer:

80 + 18i

Step-by-step explanation:

i² = -1

x = i + 9

x² = (i + 9)²

Applying; (a + b)² = a² + 2ab + b² concept,

x² = i² + 18i + 81

We know that i² = -1

So x² = -1 + 18i + 81

x² = 81 - 1 + 18i = 80 + 18i

8 0

3 years ago

A local petting zoo allows visitors to feed the goats food pellets. The petting zoo starts the month with 525.25 pounds of food

Alisiya [41]

I’m sorry, I wish I knew this one and I would help

6 0

3 years ago

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Sin 68 = 70/w<br><br> find w

Kazeer [188]

Answer:

sin 68 =70/w

sin68(w)=70

0.927w=70

w=70/0.927

w=75.51

6 0

3 years ago

TV studio has brought in 9 boy kittens and 6 girl kittens for a cat food commercial. The director is going to choose 9 of these

Amanda [17]

Answer:

probability = 0.2517

Step-by-step explanation:

given data

boy kittens = 9

girl kittens = 6

choose kittens at random = 9

solution

total kitten are = 9 + 6 = 15

first we get here total no of probability that is

n(s) = 15 C 9

n(s) = $\frac{15!}{9!(15-9)!}$

n(s) =5005

and

total way to chose 5 boy kittens is = 9 C 3

n(3) = $\frac{9!}{3!(9-3)!}$

n(3) = 84

and

total way to chose 4 girl kittens is = 6 C 4

n(4) = $\frac{6!}{4!(6-4)!}$

n(4) = 15

total way to chose 5 boy kittens and 4 girl kittens is

total way = 84 ×15 = 1260

so probability that the director chooses 5 boy kittens and 4 girl kittens is

probability = $\frac{1260}{5005}$

probability = 0.2517

6 0

3 years ago

When you flip 1/6 it is?

prohojiy [21]

Reciprocal
1/6 turns into 6/1 which is 6

5 0

3 years ago

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