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maksim [4K]
3 years ago
6

Express in simplest form with a rational denominator. 4 over 28

Mathematics
2 answers:
ale4655 [162]3 years ago
4 0
It’s written as 4/28 then you write it as 1/7 or 1:7, you know it’s fully simplified because both numbers are prime
aleksandr82 [10.1K]3 years ago
3 0

Answer:

Explained in detail below

Step-by-step explanation:

4/28 = 1/7 = 1:7

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5 points
Nataliya [291]

Answer:

 Justin has a lower mean tip for the week with $42.

Step-by-step explanation:

To find the mean you must add all the numbers and then divide the sum by how many numbers there are.

For Justin you must add 32 + 45 + 50 + 33 + 50 then you'll get the sum 210. There are 5 numbers so you divide 210 by 5 which gives you the quotient 42.

As for T.J. you add 58 + 48 + 40 + 42 + 42 which gives you the sum of 230. Then you divide 230 by 5 since there's 5 numbers. Now you have the quotient of 46.

46 is greater than 42 so Justin has the lower mean.

3 0
3 years ago
Read 2 more answers
A class tossed coins and recorded 165 heads and 172 tails. What is the experimental probability of tails?
Nata [24]
165+172=337

172/337 is the experimental probability of tails.

Hope this helps!
5 0
3 years ago
Read 2 more answers
Find area in square units
OLEGan [10]

Step-by-step explanation:

please mark me as brainlest

3 0
2 years ago
Which polynomial identity will prove that 19 = 27 − 8?
3241004551 [841]
The answer is Difference of Cubes.

Difference of cubes is a³ - b³.
27 can be written as 3³ (= 3 × 3 × 3 = 27). So, a = 3.
8 can be written as 2³ (= 2 × 2 × 2 = 8). So, b = 2.

Difference of cubes can be expressed as:
       a³ - b³ = (a - b)(a² + ab + b²)
⇒   3³ - 2³ = (3 - 2)(3² + 3×2 + 2²) = 1 × (9 + 6 + 4) = 1 × 19 = 19
⇒  27 -  8  = 19


5 0
3 years ago
A plane is approaching an aircraft carrier at 25° angle of elevation from 3.2 miles away how far above sea level is the plane
s2008m [1.1K]

Answer:

Height\approx 1.35\ miles

Step-by-step explanation:

The angle of elevation=25\textdegree

It is 3.2\ miles away from the point.

If we imagine a right  triangle having an angle 25\textdegree.

Hypotenuse=3.2, Opposite=Height from sea level(h)

\sin 25=\frac{opposite}{hypotenuse}\\\\\sin 25=\frac{h}{3.2}\\\\h=3.2\times \sin 25\\\\h=3.2\times 0.4226\\\\h=1.3524\approx 1.35\ miles

8 0
3 years ago
Read 2 more answers
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