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Andreyy89
3 years ago
7

Mai and Noah also solved the equation, but some of their steps have errors. Fid the incorrect step in each solution and explain

why it is incorrect.
Mathematics
1 answer:
cluponka [151]3 years ago
3 0

Answer:

what equation

Step-by-step explanation:

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85,110,x,120,120 : find the value of x
fomenos

The sum of angles of a pentagon is 540°, so x must be chosen to make that so.

85 + 110 + x + 120 + 120 = 540

540 -435 = x = 105

_____

The formula usually used to find the degree measure of the internal angles of an n-sided polygon is (n -2)·180°. For n=5, this is 3·180° = 540°.

6 0
4 years ago
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ikadub [295]

Answer:

THIS ANSWER IS REVENGE

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4 0
3 years ago
Jasmine bought 32 kiwi fruit for $16. IfJasmine has $4, how many kiwi can shebuy?
Sav [38]

Answer:

8 kiwis

Step-by-step explanation:

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hope this helps

7 0
3 years ago
Marcia claims that the GCF for 2x^2, 4xy and 8xy^4 is 8x^2y^4. Is she correct? If not, what is the GCF?
posledela
The GCF is what they all have in common.
2x is the only thing they ALL share.
5 0
3 years ago
What is the slope of the line that is perpendicular to the line 3y=-5x+21
11Alexandr11 [23.1K]

Step-by-step explanation:

the slope is the factor of x in an equation

y = ax + b

we have here

3y = -5x + 21

to get to the general format above we need to divide everything by 3 :

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so, we see, the slope is -5/3.

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3/5

so, I guess the correct answer option is c.

but it is not clear what you wrote there, as there is a "-" sign somehow in all 4 answers.

5 0
2 years ago
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