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lisov135 [29]
3 years ago
12

Is (-1, 2) a solution to this system of inequalities? 2x + 18y < 7 and 2x - 4y < 12

Mathematics
1 answer:
Reil [10]3 years ago
8 0
Yes

Plug in points


Mark brainliest please
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What is 9.35 as a fraction
denpristay [2]
9.35

= 9.00 + 0.35

= 9 + 7/20

= 180/20 + 7/20

= 187/20
5 0
3 years ago
Read 2 more answers
There are 1,023 M&amp;M's in a bag. Out of 1,023 M&amp;M's, 132 M&amp;M's are blue, 69 are green, 68 are brown, 63 are olive, 62
lesantik [10]

The probability that the person pulls 1 blue M&M given that one is only allowed to pull 5 random M&M's per day will be 0.6450.

<h3>How to calculate probability?</h3>

From the information given, there are 1,023 M&M's in a bag and out of 1,023 M&M's, 132 M&M's are blue.

Therefore, the probability of getting a blue M&M will be:

= 132/1023

= 0.1290

Therefore, since the person is given the chance to pull 5 random M&M's per day, the probability will be:

= 0.1290 × 5

= 0.6450

Learn more about probability on:

brainly.com/question/24756209

#SPJ1

4 0
2 years ago
A tower is 105' tall. it casts a shadow 33' long. what is the angle of depression?
KiRa [710]
Tan(x)= 33/105

x = arctan(33/105)

x = 17.44718842 degrees.
7 0
2 years ago
Todd has twice as many songs in his playlist as Vlad. Becca has three times as many songs in her playlist as Todd. If all three
nikitadnepr [17]

Answer:

Todd has 540540 songs in his playlist.

Vlad has 270270 songs in his playlist.

Becca has 162162 songs in her playlist.

Step-by-step explanation:

# of songs Todd has = T

# of songs Vlad has = V

# of songs Becca has = B

1) Todd has twice as many songs in his playlist as Vlad:

T=2V

2) Becca has three times as many songs in her playlist as Todd:

B=3T

3) All three people have a total of 243243 songs in their playlists:

T+V+B=243243

Because T=2V then you can substitute T as 2V in the second equation:

B=3(2V)

B=6V

Now in the final equation, you can substitute everything for V:

2V+V+6V=243243

9V=243243

V=27027

Now substitute for T:

T+1/2T+3T=243243

9/2T=243243

T=54054

Now substitute for B:

1/3B+1/6B+B=243243

3/2B=243243

B=162162

Check answers:

27027+54054+162162=243243

243243=243243

3 0
3 years ago
Harry's parrot is 11 years older than his cat.
Sav [38]

Answer:

The answer to your question is:   P = 17 years

Step-by-step explanation:

Data

Parrot = 11 years older than the cat

C = cat age

P = parrot age

P = ? when C = 6

Process

              P = C + 11

              P = 6 + 11

             P = 17 years

8 0
4 years ago
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