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2 years ago

Write as a decimal. -2 7/100

Mathematics

2 answers:

liraira [26]2 years ago

6 0

Have a good christmas and day!

kirza4 [7]2 years ago

5 0

Answer:

a) -0.27 b) 0.875 c) 0.7

Step-by-step explanation:

-27/100

-0.27

7/8

0.875

21/30

0.7

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2 years ago

Read 2 more answers

What is the perimeter, P, of a rectangle that has a length of x + 5 and a width of y − 1?

Helen [10]

Answer:P=2x + 2y + 8

Step-by-step explanation: Perimeter (p) =2L+ 2w

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Remove bracket

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3 years ago

What equation of the line that has a slope of -4 and passes through the point (-2,-5)? Answer ASAP!!

Anna11 [10]

Answer:

Given points are ( -2 , -5 ) and slope ( m) = -4

Step-by-step explanation:

y - y1 = m ( x - x1)

y + 5 = -4 ( x + 2 )

y + 5 = -4x - 8

4x + y +5 + 8 = 0

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3 years ago

How many 5-member chess teams can be chosen from 15 interested players? Consider only the members selected, not their board posi

ryzh [129]

Answer:

3003 number of 5-member chess teams can be chosen from 15 interested players.

Step-by-step explanation:

Given:

Number of the interested players = 15

To Find:

Number of 5-member chess teams that can be chosen = ?

Solution:

Combinations are a way to calculate the total outcomes of an event where order of the outcomes does not matter. To calculate combinations, we will use the formula $nCr = \frac{n!}{r!(n - r)!}$

where

n represents the total number of items,

r represents the number of items being chosen at a time.

Now we have n = 15 and r = 5

Substituting the values,

$15C_5 = \frac{15!}{5!(15- 5)!}$

$15C_5 = \frac{15!}{5!(10)!}$

$15C_5 = \frac{15\times \times 14 \times 13 \times 12 \times 11 \times 10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1 }{5 \times 4 \times 3 \times 2 \times 1(10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1)}$