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Verdich [7]
3 years ago
8

ASAP!!!!! !! I need help, it’s urgent please!!!

Mathematics
1 answer:
Sliva [168]3 years ago
3 0

Answer: A

Step-by-step explanation: Because if an ecosystem has a high biodiversity, then it’s most likely to survive things like an invasive species for example

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if the class charges $15 per ticket write an equation that could be used to determine the number of tickets the class would need
OverLord2011 [107]

t = number of tickets

15t ≥ 1500

so....

step 1. 15t ≥ 1500 --> divide both sides by 15 --> 15t/15 ≥ 1500/15

step 2. t ≥ 100


So 100 at the least, ticket should be sold to reach atleast $1500.


I hope this helps. :)



5 0
3 years ago
What is the rate and unit rate of 2 inches of snow in 5 hrs
sp2606 [1]

Answer:

Rate: 2:5

Unit Rate: 1:2.5

Step-by-step explanation:

Unit Rate is the rate in which x is x to 1. So, each inch of snowfall takes 2.5 hours.

5 0
4 years ago
Solve the system of equations by elimination.
n200080 [17]

Answer:

Step-by-step explanation:

1. 2x - 9y = 23

2 x = 9 y + 23

y = (2 x)/9 - 23/9

2 x - 9 y - 23 = 0

2. 5x - 3y = -1

5 x + 1 = 3 y

y = (5 x)/3 + 1/3

5 x - 3 y + 1 = 0

I belive that should help you out a bit :D

4 0
3 years ago
Read 2 more answers
Which transformations can be used to show that circle P is similar to circle Q?
12345 [234]
Circle Q is a translation of circle P, 6 units up and <span>Circle Q is a dilation of circle P with a scale factor of 7 are both correct answers.

Similar figures can result when a figure is translated (moved or slid) to a different position or when it remains the same shape but in a different size (dilation).</span>
5 0
3 years ago
Read 2 more answers
Distribute and simplify: 7(2x-4) + 2(3x+1)
SSSSS [86.1K]

7(2x - 4) + 2(3x + 1)   Distribute/multiply 7 into (2x - 4), and multiply 2 into (3x + 1)

14x - 28 + 6x + 2   Combine like terms

20x - 26

Your answer is B


4y^{2} -\frac{2x}{7} +2y

x = 7

y = 2

Plug in the numbers into the variables

4(2)^{2} -\frac{2(7)}{7} +2(2)

4(4) - 2 + 4

16 + 2

18


Your answer is D


8 0
3 years ago
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