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spin [16.1K]
4 years ago
12

Solve the equation 28 = 7 3x for x: a. 1 b. 3 c. 5 d. 7

Mathematics
1 answer:
yaroslaw [1]4 years ago
8 0
I think you meant 28=7+3x. Subtract 7 from both sides to get 21=3x, then divide by three to get D. 7

:)
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Please I need serious help with this ASAP!!! I will mark brainliest if correct!! Please explain!!!!
svet-max [94.6K]

Hey there!

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5 0
3 years ago
A Web site defines a regular polygon as “a polygon with all angles the same measure.” Is this definition valid?
grandymaker [24]

Answer:

Yes, because all regular polygons fit this definition.

Choice D is correct

Step-by-step explanation:

A polygon is said to be regular if it is equiangular that is all its angles are equal and equilateral which implies that all its sides have equal length. Examples of regular polygons include;

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3 0
3 years ago
Read 2 more answers
2. A kitten is gaining 0.6 pounds per week. The kitten is currently seven pounds. After how many weeks will the kitten be at lea
Anika [276]
5 weeks. (This can be represented by the equation 7+.6x=10)
3 0
3 years ago
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Need help understanding what to do
Juliette [100K]
I believe you are expected to simplify. To do this all you do is group like terms (x, x², x³ etc.) and then simplify the coefficients. 

13. 10z + 7z - 19z² - 5z² - 17z 

first you can rearrange and group like terms (remember the bring the sign in front of each term with it). I would do it like this: 
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Now simplify the coefficients: 

-24z² + 0z 

you can omit the 0z and your simplified answer is 

-24z²

Main thing to remember here is that z and z² cannot be simplified together, nor can any variable that has an exponent because the exponent makes them differ. 

6 0
3 years ago
What is the area of the figure
Drupady [299]
Hi there, just multiply all 4 numbers. 5.3*8*8*4=1356.8
5 0
4 years ago
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