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3 years ago

The circled ones please need to know asap

Mathematics

1 answer:

NNADVOKAT [17]3 years ago

8 0

#12: 3053.6 in. Cubed

#14 24429.0 m. Cubed

#16 8.2 ft. Cubed

#18 0.5 cm. Cubed

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Y is inversely proportional to x. If y= 400 when x =2 find y when x= 200

o-na [289]

Answer: 4

<u>Step-by-step explanation:</u>

Inversely proportional means xy = k, where k is the constant of proportionality

First, find k when x = 2 and y = 400 ----> 2(400) = k --> 800 = k

Then, find y when x = 200 (knowing that k = 800)

200y = 800

y = 4

4 0

2 years ago

5/9 rounded to the nearest half?

Archy [21]

0.6.

5/9 = 0.5555555... which rounds to 0.6

6 0

3 years ago

Olivia has enter a buffet line in which he chooses one kind of meat two kinds of vegatables and one dessert if the order of the

masya89 [10]

Using the Fundamental Counting Theorem, it is found that she can choose 180 different meals.

<h3>What is the Fundamental Counting Theorem?</h3>

It is a theorem that states that if there are n things, each with $n_1, n_2, \cdots, n_n$ ways to be done, each thing independent of the other, the number of ways they can be done is:

$N = n_1 \times n_2 \times \cdots \times n_n$

In this problem:

For the meat, there are 3 outcomes, hence $n_1 = 3$ .

For the two vegetables, 2 are taken from a set of 6, hence, applying the combination formula, $n_2 = C_{6,2} = \frac{6!}{2!4!} = 15$ .

For the dessert, there are 4 outcomes, hence $n_3 = 4$ .

Then:

$N = n_1n_2n_3 = 3(15)(4) = 180$

She can choose 180 different meals.

To learn more about the Fundamental Counting Theorem, you can take a look at brainly.com/question/24314866

4 0

2 years ago

Will somebody please answer this question? I'm stuck and in a bit of a hurry. A surfboard shaper has to limit the cost of develo

ikadub [295]

Answer:

≥ 420 boards

Step-by-step explanation:

Write the required relation between cost per board and "x" (the number of boards that must be sold).

143 + 30240/x ≤ 215 . . . . . . . note that the first term is <em>not</em> 143x

Subtract 143

30240/x ≤ 72

Multiply by x/72. This is a positive number because x is a positive number.

30240/72 ≤ x

420 ≤ x

At least 420 surfboards must be sold to limit the final cost per board to $215.

8 0

3 years ago

Which fraction is equivalent to 0.3636...

NNADVOKAT [17]

A = 0.363636 ...
a = 0.(36)
100a = 36.(36)
100a - a = 36.(36) - 0.(36)
99a = 36
$a=\frac{36}{99}\\\\ a=\frac{4}{11}$

8 0

2 years ago

Read 2 more answers