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raketka [301]
3 years ago
14

A plane flew a total of 2220 miles its average speed was 555 mph how many hours did the plane fly

Mathematics
1 answer:
o-na [289]3 years ago
5 0
2220 miles divided by 554mph would give you 4 hours
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A bike path is 6 3/4 miles long. What whole number is closest to 6 3/4?
Naddik [55]
It'll be 7 because 3/4 is greater than 1/2 so you round it up.
3 0
3 years ago
The _____ of a type of measurement indicates how free that measurement is from random error. Multiple Choice validity verifiabil
Veronika [31]

Answer:

Reliability

Step-by-step explanation:

Here, we want to select the option that best completes the given question

The correct answer is the reliability

When we speak of how reliable a type of measurement is, we are simply referring to how free the particular measurement is from random error

Measurements that are free from random error are said to be reliable

8 0
3 years ago
Dorian buys 2 pounds of almonds for $21.98 and 3 pounds of dried apricots for 26.25 which is less expensive per pound how much l
Anit [1.1K]

Answer:

The apricots are $2.24 less expensive per pound.

Step-by-step explanation:

To find the price per pound of each product divide the price Dorian by the number of pounds Dorian bought:

Almonds: 21.98 ÷ 2 = 10.99

Almonds cost $10.99 per pound.

Apricots: 26.25 ÷ 3 = 8.75

Apricots cost $8.75 per pound.

The apricots are less expensive per pound. To find how much less expensive they are compared to the almonds, subtract the cost of the apricots per pound from the cost of the almonds per pound:

10.99 - 8.75 = 2.24

The apricots cost $2.24 less per pound than the almonds do.

5 0
3 years ago
Express the product of 2x squared + 7x - 10 and x + 5 in standard form
masha68 [24]
22x^2+7x-10 = x+5

2x^2+7x-15

y2x^2+6x-15


Suggesting that you want this in standard form, in terms of quadratic equations, you would technically follow a process similar if not almost exactly like the 2 - step equation method with the exception of separating the (x)s and the equations to find x and then plug it in and what-not.


With that being said you would subtract 5 in (x+5) from said 5 in the second equation and -10 in the first equation in order to get 2x^2+7x-15, you would continue to do the same for the x by subtracting it from both ends making the 7x a 6x because there is a 1 at the beginning of each x if there is no number that is shown already. Which finally gives you the equation (y= 2x^2+6x-15)
7 0
3 years ago
Find two numbers that Multiply to -40 and add to 6
Tanzania [10]
Reorder the terms: 6.25 + -5y + y^2 = -14 + 6.25

Combine like terms: -14 + 6.25 = -7.75 6.25 + -5y + y2 = -7.75

Factor a perfect square on the left side: (y + -2.5)(y + -2.5) = -7.75

Can't calculate square root of the right side (negative). The solution to this equation could not be determined.
8 0
3 years ago
Read 2 more answers
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