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2 years ago

Express the inequality n>-19/5 by using interval notation

Mathematics

1 answer:

klemol [59]2 years ago

3 0

Answer: explain it more

Step-by-step explanation:

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50% of a number is x . What is 100% of the number? Assume x>0 .

Usimov [2.4K]

I guess 2x ,as 50+50=100

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3 years ago

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Which statement is true? A. 13/14 > 25/28 B. 21/45 < 4/9 C. 5/6 > 11/12 D. 4/5 < 8/25

nasty-shy [4]

Rewrite the fractions with common denominators and then answer:

13/14 > 25/28

26/28 > 25/28

This is True

B) 21/45 < 20/45 False

C) 10/12 > 11/12

False

D) 20/25 < 8/25

False

The true statement is A.

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2 years ago

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Francesca already has 7 plants in her backyard,

bearhunter [10]

Answer:

2 seed packets.

Step-by-step explanation:

19 plants per seed packet.

19+19=38 + 7=45

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2 years ago

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How many five-card hands (drawn from a standard deck) contain exactly three fives? (A five-card hand is any set of five differen

VashaNatasha [74]

Answer:

4512.

Step-by-step explanation:

We are asked to find the number of five-card hands (drawn from a standard deck) that contain exactly three fives.

The number of ways, in which 3 fives can be picked out of 4 available fives would be 4C3. The number of ways in which 2 non-five cards can be picked out of the 48 available non-five cards would be 48C2.

$4C3=\frac{4!}{3!(4-3)!}=\frac{4*3!}{3!*1}=4$

$48C2=\frac{48!}{2!(48-2)!}=\frac{48*47*46!}{2*1*46!}=24*47=1128$

We can choose exactly three fives from five-card hands in $4C3*48C3$ ways.

$4C3*48C3=4*1128=4512$

Therefore, 4512 five card hands contain exactly three fives.

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3 years ago

What would the equation be for this then

Lyrx [107]

Answer:

You happen to know what I am looking at? Theres no photos :(

Step-by-step explanation:

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2 years ago