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babunello [35]
2 years ago
6

Combine the like terms to create an equivalent expression: 2r+1+(−4r)+7

Mathematics
1 answer:
dybincka [34]2 years ago
3 0

Answer:

the answer is -2r+8

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Nastasia [14]

Answer:

D) m=1/2

Step-by-step explanation:

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2 years ago
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A student ran out of time on a multiple choice exam and randomly guessed the answers for 2 problems. Each problem had 5 answer c
frozen [14]
So if there are 5 choices and only one is correct, there is a 1/5 chance of being correct. since there was 2 questions, you need to multiply 1/5 by 1/5 to get 2/25 of getting both questions correct.

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3 years ago
5 decades 4 years 3 months -2 decades 5 years 6 months =
marysya [2.9K]

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28.75 years

Step-by-step explanation:

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Can someone plz help with math?!
Flura [38]

Answer:

1. <em>L = 3D +59</em>

2. 158 miles

Step-by-step explanation:

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5 0
2 years ago
If 4 Maths books are selected from 6 different Maths different English books, how many ways can the seven om Maths books and 3 E
alexgriva [62]

Answer:

Please see the answer below

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a. Since there’s no restrictions .Therefore , the number of ways = 7!*150 = 756000

b. The number of ways such that the 4 math books remain together

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Where M = Math’s Book and E= English Book.  

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c. The number of ways such that  math book is at the beginning of the shelf

The number of ways = 6!*4*150 = 432000

d. The number of ways such that  math and English books alternate

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3 years ago
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