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3 years ago

Can someone please explain how to do this

Mathematics

1 answer:

Nookie1986 [14]3 years ago

7 0

Answer:

the mid point formula for this is x+x/2 and y+y/ 2 so #9would be 1/2, 3/2

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There are 8 action, 3 comedy, and 5 drama DVDs on a shelf. Suppose three DVDs are selected at random from the shelf. Find each p

nordsb [41]

8 action, 3 comedy, 5 drama....total = 16 dvd's

P(2 action, then a comedy)...without replacement

8/16 * 7/15 * 3/14 = (8 * 7 * 3) / (16 * 15 * 14) = 168/3360 = 1/20

4 0

3 years ago

Pleas someone help find the answer -1/5+3/5=

KonstantinChe [14]

Answer:

0.4

hope i helped

3 0

4 years ago

Read 2 more answers

It took my question down twice here's a real math question I guess

aliina [53]

Answer:

$n-3$

Interval notation: $(-\infty, -10)\cup(-3,\infty)$

Step-by-step explanation:

First inequality:

$n+8$

Therefore, this inequality restricts:

$n \in \mathrm{R};\: n$

Second inequality:

$< 8+n-3$

Therefore, this inequality restricts:

$n \in \mathrm{R};\: n>-3$

Therefore, with both of these restrictions together, we have:

$\fbox{$n \in \mathrm{R}; n-3$}\\\mathrm{or\:}\fbox{$n-3$}\\\mathrm{or\:}\fbox{$(-\infty, -10)\cup(-3,\infty)$}$ .

4 0

3 years ago

Ratio and proportion practice

Blizzard [7]

So 4 hours for 40 dresses.
1 hour would be 40/4=10 dresses
50 dress = 1hr x 5 = 5 hrs#

4 0

3 years ago

How many three-digit positive integers exist, all of whose digits are 2's and/or 5's?

vfiekz [6]

Answer:

Step-by-step explanation:

There are two choices for each digit, and 3 digits, so 2^3 = 8 possible numbers. Here's a list:

222, 225, 252, 255

522, 525, 552, 555

3 0

4 years ago

Can someone please explain how to do this​

Can someone please explain how to do this