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jonny [76]
3 years ago
8

(−5k ​3 ​​ −6k+1)+(−6k ​2 ​​ +5k)

Mathematics
2 answers:
Fittoniya [83]3 years ago
7 0

Remove unnecessary parenthesis.

-5k 3 - 6k +1 - 6k 2 + 5k (simplify each term) -15k - 6k + 1 - 12k +5k = -28k +1

Answer: 28k + 1

Ivan3 years ago
5 0

Step-by-step explanation:

−5k

3

−6k

2

−k+1

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Is the following number rational or irrational?
Travka [436]

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Since it can be expressed as fraction, it's a rational number.

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3 years ago
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One angle is 25° bigger than another angle. the two angles are supplementary. what is the measure of the two angles
Rama09 [41]
1st angle  - x⁰
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The angles are supplementary,
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3 0
3 years ago
Suppose you can work at most a total of 25 hours per week. Baby-sitting, x, pays $6 per hour and working at the grocery store, y
Andrei [34K]

Answer:

<u><em>y=7  </em></u><u>number of hours at grocery store</u>

<u><em>x=18 </em></u><u>number of hours at baby- sitting</u>

Step-by-step explanation:

According to the information provided.

x is number of hours at baby- sitting

y is number of hours at grocery store

total number of hours worked

<em>1) </em><em>x+y =25</em>

total earn in a week

<em>2) </em><em>x*$6 + y* $9 = $171</em>

<em />

<em>from equation 1</em>

x+y=25

x= 25-y

<em>we place the above derived equation in equation 2 </em>

x*$6 + y* $9 = $171

(25-y)*$6 + y* $9 = $171

(25*6) -6y +9y =171

150+3y=171

3y=171-150

3y=21

<u><em>y=7  </em></u><u>number of hours at grocery store</u>

x= 25-y

x= 25-7

<u><em>x=18 </em></u><u>number of hours at baby- sitting</u>

3 0
3 years ago
(4+2i)+(-3-5) need help plz
ivolga24 [154]

4+2=6

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8 0
2 years ago
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What is the LCM of 40 and 150?
liberstina [14]

Answer:

600 will be the answer

Step-by-step explanation:

-Hope this helps - Good luck ^w

8 0
2 years ago
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