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2 years ago

(05.01 LC)*PLEASE ANSWER 20 POINTS +BRANLIEST PLEASEEE!!!

Mathematics

2 answers:

Natali [406]2 years ago

5 0

Actually, I believe the answer would be B, 25, since it is changing 25 ft every 1 second—thus it wouldn't be 1 per 25 (1/25) it would be 25 per 1, or 25/1, or simply 25.
You can give the brainliest to the other guy, though. :)

Bess [88]2 years ago

3 0

C) 1/25 for every 1 it goes up 25. therefore 1/25! hope I helped!!! brainliest would be much appreciated because I am trying to rank up!!!

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What is the solution of the system? {5x−y=−21x+y=−3 Enter your answer in the boxes. ( , )

Firdavs [7]

Answer:

(-4,1)

Step-by-step explanation:

im pretty sure that is the answer, i will finish the test and tell you if it is right in the comments i guess lol

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2 years ago

U divided by 3 = 6 what is U a solution to

drek231 [11]

Answer:

u=18

Step-by-step explanation:

u/3 =6

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u/3*3 =6*3

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2 years ago

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In a experiment, the probability that event A occurs is 5/9, the probability that event B occurs is 5/7, and the probability tha

Ymorist [56]

Answer:

52.5% probability that A occurs given B occurs

Step-by-step explanation:

Suppose we have two events, A and B, the conditional probability formula is:

$P(A|B) = \frac{P(A \cap B)}{P(B)}$

In which

P(A|B) is the probability of A happening given that B happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(B) is the probability of B happening.

In this problem, we have that:

$P(A \cap B) = \frac{3}{8}, P(B) = \frac{5}{7}$

$P(A|B) = \frac{P(A \cap B)}{P(B)} = \frac{\frac{3}{8}}{\frac{5}{7}} = 0.525$

52.5% probability that A occurs given B occurs

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2 years ago

The campsite shop sells boxes of Funshine Cereal.

irga5000 [103]

The boxes are kept is 2275 cm and the boxes 10800 mm

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2 years ago

A environmental initiative has the goal of saving at least 25 2525 million hectares of rainforest through both planting trees an

Anestetic [448]

Answer:

The possible way for the initiative to accomplish its goal without exceeding its budget is use 12.5 hectares for planting trees and 12.5 hectares by purchasing land.

Step-by-step explanation:

Let the variable X represent the amount of land used for planting trees and Y represent the amount of land purchased.

The goal of the environmental initiative is to save at least 25 million hectares of rain forest.

That is:

X + Y = 25....(i)

Now it is provided that:

The cost of planting trees is $ 400 per hectare.
The cost of purchasing land is $ 260 per hectare.
The initiative has a budget of $8,250 million.

Using the above data it can be said that:

400X + 260Y = 8250....(ii)

Solve equations (i) and (ii) simultaneously.

$\ \ \ \ x+y=25]\times 260\\400x+260y=8250\\\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\\\\\Rightarrow\\\\260x+260y=6500\\400x+260y=8250\\(-)\_\_\_\_\_\ (-)\_\_\_\_(-)\_\_\_\\\\\Rightarrow\\\\-140x=-1750\\\\x=\frac{1750}{140}\\\\x=12.5$

Then the value of y is:

$x+y=25\\y=25-x\\y=25-12.5\\y=12.5$

Thus, the possible way for the initiative to accomplish its goal without exceeding its budget is use 12.5 hectares for planting trees and 12.5 hectares for purchasing land.

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2 years ago