2 years ago

What is the solution to the equation 1.6m − 4.8 = −1.6m?

Mathematics

2 answers:

nordsb [41]2 years ago

7 0

See attached picture for answre

worty [1.4K]2 years ago

7 0

Answer:

Id go with 3

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a train makes a trip at 65 mi/h. A plane traveling 130 mi/h makes the same trip in 3 fewer hours. Write and solve an equation to

Rudik [331]

The formula used for calculating the time is:

t = d / v

where t is time, d is distance and v is velocity

We know that the difference in the two times is 3 hours, therefore:

d / 65 – d / 130 = 3

Calculating for d:

d = 30 / (1/65 – 1/130)

<span>d = 3900 miles</span>

8 0

3 years ago

Fission tracks are trails found in uranium-bearing minerals, left by fragments released during fission events. An article report

Harlamova29_29 [7]

Answer:

Mean track length for this rock specimen is between 10.463 and 13.537

Step-by-step explanation:

99% confidence interval for the mean track length for rock specimen can be calculated using the formula:

M± $\frac{t*s}{\sqrt{N}}$ where

M is the average track length (12 μm) in the report
t is the two tailed t-score in 99% confidence interval (2.977)
s is the standard deviation of track lengths in the report (2 μm)
N is the total number of tracks (15)

putting these numbers in the formula, we get confidence interval in 99% confidence as:

12± $\frac{2.977*2}{\sqrt{15}}$ =12±1.537

Therefore, mean track length for this rock specimen is between 10.463 and 13.537

4 0

3 years ago

I need an answer!! (marking as brainliest)

irina1246 [14]

Answer: I hope this helps.

Step-by-step explanation:

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10 months ago

The perimeter of a rectangle is 24 in.and its length is 3times its width. What are the length and width of ThE rectangle?

Mama L [17]

let w = width and 3w = length

perimeter is the distance around the outside of the object or P = 2L + 2W

2(3w) + 2w = 24

6w + 2w= 24

8w = 24

w= 3

3w= 9

Width is 3in. and length is 9in.

8 0

3 years ago

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F(n)=2n+5<br> g(n)=n²-1<br> Find f(-3) ⋅ g(-3)

kirill115 [55]

Answer:

use symbolab

Step-by-step explanation:

8 0

3 years ago