Simplify: 2(5+3x)+(x+10

Mathematics

2 answers:

Volgvan2 years ago

7 0

20+7x Use Photomath

melomori [17]2 years ago

4 0

Answer:

7x + 20

Step-by-step explanation:

This is as simplified as it's gonna get.

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4. From a faculty of six professors, six associate professors, ten assistant professors, and twelve instructors, a committee of

Degger [83]

Answer:

P=0.228

Step-by-step explanation:

We know that from a faculty of six professors, six associate professors, ten assistant professors, and twelve instructors, a committee of size six is to be selected.

Therefore, we have 34 people.

We calculate the number of possible combinations:

$C^{34}_6=\frac{34!}{6!(34-6)!}=1344904\\$

Of the 6 professors we choose 2, and of the other 28 people we choose 4.

We calculate the number of favorable combinations:

$C_2^6\cdot C_4^{28}=\frac{6!}{2!(6-2)!}\cdot \frac{28!}{4!(28-4)!}=15\cdot 20475=307125\\$

Therefore, the probability is:

$P=\frac{307125}{1344904}=0.228$

8 0

3 years ago

Help please

bixtya [17]

Answer:

dasd

Step-by-step explanation:

sdas

7 0

2 years ago

"assume that josh throws the discus 36 times. let y denote the sum of the lengths of the 36 throws.

cluponka [151]

<span>Assuming that Josh throws the discus 36 times, the expected value of y will be the length each discus reaches for each throw all added together. Specifically, it will be discus throw one, plus discus throw two -- all the way to discus throw thirty-six. Adding all of those throws together will provide the expected value of Y.</span>

6 0

3 years ago

Please help!! what is the length of the line

UkoKoshka [18]

Answer:

$\sqrt136$ (option D)