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leva [86]
3 years ago
11

3(x+4y)+5(2x-y) identify each of the properties used in each step

Mathematics
2 answers:
pashok25 [27]3 years ago
7 0

Answer:

distributive property is used in this equation

Step-by-step explanation:

Dmitrij [34]3 years ago
4 0

Answer:

3x + 12y +10x-5y

13x +7y

Step-by-step explanation:

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Edwina measured the length of this swimming pool by drawing similar triangles as shown. What is the best estimate of p, the leng
Paraphin [41]

Answer:

Option C. p=33\ ft

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its corresponding sides is proportional

In this problem

Using proportion

\frac{p}{12}=\frac{22}{8}\\ \\p=12*22/8\\ \\p=33\ ft

7 0
3 years ago
Read 2 more answers
Was i correct pls ???? let me know and explain i'll mark brainlist :D
timurjin [86]

Yes your answer is correct... Because as per the question the equation formed should be y = 5(3)^x.

4 0
3 years ago
What is the missing reason in the proof?
spayn [35]
Perpendicular bisector theorem
5 0
3 years ago
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a rocket is 1 mile above thw earth in 30 seconds and 5 miles above the earth in 2.5 minutes what is the rockets rate of change i
Veronika [31]
Rate of Change:

At 1 mile in 30 seconds.
At  5 miles in 2.5 minutes.  2.5 minutes = 2.5*60 = 150 seconds.

Rate of change =   Change in height / Change in time

                            =   (h₂-h₁)/(t₂-t₁)

                            =   (5 -1) /(150 -30) = 4/120 = (1/30) = 0.0333 miles per second.

                             = (1/30) miles per second or 0.0333 miles per second.


To have the answer in miles per minute.

         (1/30) miles per second = (1/30) miles/second.

60 seconds = 1minute
1 second = (1/60) minute.

(1/30) miles/second  =  (1/30) miles/(1/60)minute
                                   =   (1/30) *60 miles / minute
                                   =    2 miles per minute.
8 0
3 years ago
Use the ditributive property for -8 (x / 3)
ioda
Greetings!

"Use the distributive property for -8 (x / 3).<span>"

The distribute property is used to simplify an expression/equation. This is done by multiplying the contents of the parenthesis by the number outside of bracket.

</span>-8 (x / 3)
=(-8*x / -8*3)
<span>Simplify.
</span>=(-8x/-24)


Hope this helps.
-Benjamin



4 0
3 years ago
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