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Olenka [21]
2 years ago
6

Evaluate the expression when m= -2.8 and n=-6.3. 4n - 6m

Mathematics
1 answer:
Alex73 [517]2 years ago
5 0
Answer is 42, hope this helps
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if the area of polygon P is 20 units² and the ratio of similarity of polygon P to polygon G is 7/3, what is the area of polygon
kipiarov [429]
Hope this helped and I’ve shown my work and the answer! :)

5 0
3 years ago
Select the tables that show a proportional relationship between x and y.
Lapatulllka [165]

Answer:

It's the PURPULE one

Step-by-step explanation:

BTW can u pls help me in my question thanks

6 0
3 years ago
Drag each expression to the correct location on the table.
geniusboy [140]

An exponential expression is one in which a number has been raised to a certain power.

<h3>What is an exponential expression?</h3>

An exponential expression is one in which a number has been raised to a certain power.

Now;

1) 3^2 . (3^3)^2 . 3^-8 = 3^2 + 6 - 8= 3^0 = 1

2) (3^2) (2.3)^-3/2^-2 = 3^2 . 2^-3 . 3^-3/2^-3 = 1/3

3) (2^-1) . (3 . 2)^4/(3 . 2)^3 = 2^-1. 3^4 . 2^4/ 3^3. 2^3 = 3

4) 2^5 . 3^5 . 6^-5 = 32 * 243/7776 = 1

5) (2^3) . (2 . 3)^-1/2^2 = 2^3 . 2^-1 . 3^-1/2^2 = 1/3

Learn more about exponential function:brainly.com/question/14355665

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3 0
2 years ago
Two trains leave the station at the same time, one heading west and the other east. The westbound train travels 14 miles per hou
Sergeu [11.5K]

Answer:

The answer to your question is 166 mi/h

Step-by-step explanation:

Data

ve = rate eastbound train

vw = rate westbound train = ve - 14

distance = d = 900 mi

time = t = 5 h

Formula

v = \frac{distance}{time} = \frac{d}{t}

Substitution and simplification

ve = \frac{900}{5} = 180 mi/h

Now, substitute this value in the equation of vw

vw = 180 - 14

Result

vw = 166 mi/h

7 0
3 years ago
15 + 6f = 7f show steps please as soon as possible!
erica [24]

Answer:

f = 15

Step-by-step explanation:

15 + 6f = 7f

subtract 6f from each side

15= 1f

15=f

3 0
3 years ago
Read 2 more answers
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