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Sever21 [200]
3 years ago
11

Help!!!!!!!!!!!!!!!! :((((((

Mathematics
2 answers:
Likurg_2 [28]3 years ago
7 0
The answer to this problem is b.
Alex17521 [72]3 years ago
3 0
I am pretty sure it is B.

The original fraction is equal to 0.83, which only matches option B.
Choice A is about 0.88, C would be 0.9, and D is approximately 0.69

Therefore the one which makes sense is B.
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Solve -6f + 13 = 2f - 11​
igor_vitrenko [27]

Answer:

f = 3

Step-by-step explanation:

Solve for f:

13 - 6 f = 2 f - 11

Subtract 2 f from both sides:

13 + (-6 f - 2 f) = (2 f - 2 f) - 11

-6 f - 2 f = -8 f:

-8 f + 13 = (2 f - 2 f) - 11

2 f - 2 f = 0:

13 - 8 f = -11

Subtract 13 from both sides:

(13 - 13) - 8 f = -13 - 11

13 - 13 = 0:

-8 f = -13 - 11

-13 - 11 = -24:

-8 f = -24

Divide both sides of -8 f = -24 by -8:

(-8 f)/(-8) = (-24)/(-8)

(-8)/(-8) = 1:

f = (-24)/(-8)

The gcd of -24 and -8 is -8, so (-24)/(-8) = (-8×3)/(-8×1) = (-8)/(-8)×3 = 3:

Answer:  f = 3

4 0
3 years ago
Read 2 more answers
Which expression has exactly three terms? Select all the expressions that apply.
irga5000 [103]

The answer is expressions D, E, and G.

In algebra, a ‘term’ usually means the different parts of an expression that are separated by + and - signs.

Options A and B only have 1 term, an x or y³, so these are incorrect.

Option C has 1 term as well, ‘xyz’, because they are all multiplied together which makes it one term.

D and E both have 3 terms each, but F has 4 unique terms so this is incorrect also.

G has 3 unique terms, x³, x^4, and 7x, so this is correct.

When H is expanded, you will end up with more than 3 unique terms, so this is incorrect.

I hope this helps!

6 0
2 years ago
Read 2 more answers
Solve by substitution
Hunter-Best [27]

Answer:

A

Step-by-step explanation:

y = -9 ------(1)

9x -4y = -9 -------(2)

substitute (1) into (2)

9x - 4 (-9) = -9

9x = - 45

x = -5

there you go, x = -5 and y = -9

so. (-5 , -9 )

hope this helps

please mark it brainliest

7 0
2 years ago
Mary earns $6 per hour as a waitress. Last week she took home her regular earnings of $6 per hour plus $185 in tips for a total
Daniel [21]
Mary worked 22 hours.


To solve first you would subtract the amount she made in tips from her total earnings (317-185)
= 132
Then you divide that answer by her hourly salary of $6 (132/6)
=22
7 0
3 years ago
A golfer bought 24 golf balls for $10.08. Which is the price per golf ball?
Vlada [557]

Answer: 42 cents

Step-by-step explanation: Take 10.08 divide it by 24 and there's your answer!

6 0
3 years ago
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