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Inessa05 [86]
3 years ago
12

Someone please help!

Mathematics
1 answer:
pav-90 [236]3 years ago
7 0

We need to find an expression which will help Sara calculate the total weight of the truck.

By hypothesis, we know that x represents the number of cans in the truck. And each can weigh 14 ounces, so the total weight of the cans in the truck is 14*x = 14x.

Now in the truck, there's a total of 840 cans and bottles combined. And x is the number of cans. So 840 - x is the number of bottles. And since each bottle's weight is 70 ounces, the total weight of the bottles in the truck is 70*(840-x) = 70*840 - 70*x = 58800 - 70x.

Now to find the total weight, we add the weight of the cans to the weight of the bottle: 14x + 58800 - 70x = 58800-56x.

So the equation to find the total weight of the truck is:

58800-56x, in which x represents the number of cans in the truck.

Hope this helps! :)

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A sanitation supervisor is interested in testing to see if the mean amount of garbage per bin is different from 50. In a random
frez [133]

Answer: H_0 : \mu=50\\\\ H_1 : \mu\neq50

Step-by-step explanation:

An null hypothesis (H_0) is a statement of equality which shows that there is no statistical difference between the groups being tested.

An alternative hypothesis  (H_1) is a statement of inequality which shows that there is statistical difference between the groups being tested.

Let \mu be the population mean amount of garbage per bin .

Given : A sanitation supervisor is interested in testing to see if the mean amount of garbage per bin is different from 50.

i.e. \mu\neq 50 → Alternative

Thus , the appropriate null and alternative hypotheses :

H_0 : \mu=50\\\\ H_1 : \mu\neq50

6 0
3 years ago
Using a table of values, what is the approximate positive solution to the equation to the nearest quarter of a unit? f(x)=log(x+
torisob [31]

Answer:

The answer is 0.25 for plato/edmentum users

Step-by-step explanation:

The x-intercept/zero for function f is x= -1 and the x-intercept/zero for function g is x= 0, therefore, the closest positive value out of the options is 0.25 sense the problem wants the functions to equal around the same value. Tbh I suck at math and idek if my explanation is right I really just guessed on the problem. Here's a ss for proof that my answer's right tho lol p.s. if ur 15-19 amos: kenz8124  Have a great day :)

6 0
3 years ago
Asked 03.28.2020
snow_tiger [21]

Distance to the farm is 24 miles

Step-by-step explanation:

  • Step 1: Let the speed of Peggy be x mph. Then the speed of Mike is x + 36 mph. Find the equation of distance for Mike and Peggy to the farm.

Time taken by Mike = 0.5 hr

Time taken by Peggy = 2 hrs

Distance is calculated by the equation Distance = Speed × Time

Distance traveled by Mike = (x + 36) × 0.5

Distance traveled by Peggy = x × 2

  • Step 2: Equate the 2 distances of Mike and Peggy as they are the same and find x.

(x + 36) × 0.5 = 2x

0.5x + 18 = 2x

1.5 x = 18

⇒ x = 18/1.5 = 12 mph

  • Step 3: Find the distance to the farm.

Distance to the farm = 2x = 24 miles

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3 years ago
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7 0
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