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2 years ago

Compare discrete domains and continuous domains.

1 answer:

6 0

Discrete domains and continuous domains are both sets. However a discrete domain contains a finite number of elements and continuous can contain and infinite number of elements.

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Please help me with this

Eddi Din [679]

Answer:

B.-21

C. -3a^2+2a

Step-by-step explanation:

You replace the value in the parentheses for the x:s in the function. For part b you do 3 squared (9) times -3 which is -27. Then you substitute 3 for x in the next term, 2x which gives you 6. Adding -27 and 6 you get -21. Follow the same reasoning for part c and you get a squared times -3 and add to that 3a since you change out the x for the a.

5 0

3 years ago

Read 2 more answers

Help me please asap subtract with renaming

vova2212 [387]

Answer:

1. 1/4

2. 43/10 or 4 3/10 either are correct.

3. 67/12 or 5 7/12 either are correct.

Step-by-step explanation:

I hope this helped.

6 0

2 years ago

50 points! I need help with transversals please help

Vladimir79 [104]

Answer:

For the yellow one with 14 angles:

1.94

2.86

3.94

4.86

5.86

6.94

7.86

8.73

9.107

10.73

11.73

12.107

13.107

14.73

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Tim's piggy bank contains dimes and nickels worth $5.50. He has 70 coins in all. Use substitution to solve the system of equa

Illusion [34]

5.50=0.10d+0.05n
70=d+n

how to solve-
n=70-d
5.50=0.10d+0.05(70-d)
5.50 = 0.10d +3.5 -0.05d
5.50= 0.05d+3.5
2=0.05d
d=40

70=d+n
70=40+n
n=30

there are 40 dimes and 30 nickels

7 0

3 years ago

Suppose you bought supplies for a party. Three rolls of streamers and fifteen party hats cost $30. Later, you bought two rolls o

ZanzabumX [31]

The cost of 1 part hat is $ 1.5 and cost of 1 roll of streamer is $ 2.5

Solution:

Let "c" be the cost of each rolls of streamer

Let "p" be the cost of each party hats

Three rolls of streamers and fifteen party hats cost $30

Therefore, we frame a equation as:

Three rolls of streamers x cost of each streamer + fifteen party hats x cost of each party hats = 30

$3 \times c + 15 \times p = 30$

3c + 15p = 30 -------- eqn 1

Later, you bought two rolls of streamers and four party hats for $11

Thus we frame a equation as:

$2 \times c + 4 \times p = 11$

2c + 4p = 11 ------- eqn 2

Let us solve eqn 1 and eqn 2

Multiply eqn 1 by 2

6c + 30p = 60 ------ eqn 3

Multiply eqn 2 by 3

6c + 12p = 33 -------- eqn 4

Subtract eqn 4 from eqn 3

6c + 30p = 60

6c + 12p = 33

( - ) --------------

18p = 27

p = 1.5

Substitute p = 1.5 in eqn 2

2c + 4(1.5) = 11

2c + 6 = 11

2c = 5

c = 2.5

Thus cost of 1 part hat is $ 1.5 and cost of 1 roll of streamer is $ 2.5

3 0

3 years ago