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OLga [1]
3 years ago
13

What is the slope of this question

Mathematics
1 answer:
butalik [34]3 years ago
4 0
3/2.
Always rise over run.
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can you help me evaluate this: 7m + 14m - 6n - 5n + 2m. why do you add 6n with 5n instead of subtract?
Mademuasel [1]

Step-by-step explanation:

The reason is because it is not just 6 it is - 6 so when there are two negative numbers they don't subtract they add if it was 6n then it was to be subtracted

21m - 11n + 2m

23m - 11n

6 0
3 years ago
Jayda is watching a movie that lasts 1 hour and 37 minutes. She has watched 52 minutes so far. How many minutes are left in the
Svetlanka [38]

Answer:

45 minutes

Step-by-step explanation:

97-52 = 45

5 0
3 years ago
Helppppppppppppppppppppppppppppppppp
yulyashka [42]
2x÷y
=2(2)÷(-4)
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7 0
3 years ago
Read 2 more answers
Element X decays radioactively with a half life of 13 minutes. If there are 560 grams
deff fn [24]

The time taken for the element X to decay from 560 grams to 150 grams is 24.7 mins

<h3>How to determine the number of half-lives </h3>
  • Original amount (N₀) = 560 g
  • Amount remaining (N) = 150 g
  • Number of half-lives (n) =?

2ⁿ = N₀ / N

2ⁿ = 560 / 150

2ⁿ = 3.73

Take the log of both side

Log 2ⁿ = Log 3.73

nLog 2 = Log 3.73

Divide both side by Log 2

n = Log 3.73 / Log 2

n = 1.9

<h3>How to determine the time </h3>
  • Number of half-lives (n) = 1.9
  • Half-life (t½) = 13 mins
  • Time (t) =?

t = n × t½

t = 1.9 × 13

t = 24.7 mins

Learn more about half life:

brainly.com/question/26374513

7 0
2 years ago
<img src="https://tex.z-dn.net/?f=r%5E%7B7%2F8%7D%20%2Ar%5E%7B2%2F3%7D" id="TexFormula1" title="r^{7/8} *r^{2/3}" alt="r^{7/8} *
aksik [14]

Step-by-step explanation:

{r}^{ \frac{7}{8}  +  \frac{2}{3} }

{r}^{ \frac{21 + 16}{24} }

{r}^{ \frac{37}{24} }

Hope it helps:)

5 0
3 years ago
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