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Natasha2012 [34]
3 years ago
11

If you answer this question your cool

Mathematics
2 answers:
nata0808 [166]3 years ago
7 0

Answer:

45

Step-by-step explanation:

zavuch27 [327]3 years ago
5 0

Answer:

D. 40

Step-by-step explanation:

Triangles add up to 180 degrees so...

110 + 30 + x = 180

140 + x = 180

x = 40

Yeah Ik!

You're cool too!

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How many days will it take for a culture of bacteria to increase from 200 to 50000 if the growth rate per day is 93.2%
densk [106]

Answer:

89 days

Step-by-step explanation:

5 0
2 years ago
A skier is trying to decide whether or not to buy a season ski pass. A daily pass costs $65. A season pass costs $400. The skier
Vlad [161]
Let x be the number of days.

Daily pass:
65x + 30x
95x

Season pass:
400 + 30x

95x > 400 + 30x
65x > 400
x > 6.15

The number of days can't be 6.15, so you must round. You can't go down because then the price will be more expensive, so you have to round up.

It would take 7 days until the season pass is less expensive than the daily pass.
----------------------
You can check this by plugging in the x.

95x > 400 + 30x
95(7) > 400 + 30(7)
665 > 400 + 210
665 > 600
The daily pass is more expensive than the season pass.
3 0
3 years ago
Evaluate f(-2) if f(x)=-3x^2-1
Pani-rosa [81]

f(x)=-3x^2-1

f(-2)= -3(-2)²-1=-3·4-1= - 13

4 0
3 years ago
Solve for x.<br> -30 = 5(x + 1) <br>x=​
Alecsey [184]

Answer: -7

Step-by-step explanation:

-30 = 5(x + 1)

-30 = 5x + 5.  ( After distrbuting the 5)

-5.            -5

-30 - 5. = 5x

-35 = 5x

x = -7

5 0
3 years ago
Kadin and Silas went to a movie that started at 1:55 p.m. and got out at 4:10 pm
elixir [45]

The movie should be 2 hours and 15 minutes long.

4 0
3 years ago
Read 2 more answers
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