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natali 33 [55]
3 years ago
11

What is the 79th term of this arithmetic sequence? 3, 9, 15, 21,

Mathematics
1 answer:
hodyreva [135]3 years ago
5 0
6 times 79 = 474 so the 79th term is 474
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A scientist had 3 1/2 liters of vinegar. He poured 2/3 of the vinegar into beaker. He then used 3/5 of the vinegar in the beaker
valentinak56 [21]

Answer:

A)2100 ml

Step-by-step explanation:

Given total vinegar is 3 1/2 liters and the used vinegar is  3/5 of the vinegar in the beaker:

#First calculate the amount of vinegar not poured in the beaker:

V_o=V_t-V_b\\\\=3\frac{1}{2}(1-\frac{2}{3})\\\\=1\frac{1}{6}

#Calculate amount of vinegar used in experiment:

V_b=\frac{2}{3}V_t=\frac{2}{3}(3\frac{1}{2})=2\frac{1}{3}\\\\V_u=\frac{3}{5}V_b=\frac{3}{5}\times 2\frac{1}{3}=1\frac{2}{5}

#The unused vinegar is therefore calculated by subtracting the used vinegar from the total at the start of the experiment:

V_r=V_t-V_u\\\\=3\frac{1}{2}-1\frac{2}5}\\\\=2\frac{1}{10}\times 1000\ ml\\\\=2100\ ml

Hence, the unused vinegar is 2100 ml

8 0
4 years ago
Find the number of terms in this polynomial. -5h + 8​
Arisa [49]

Hi! I can help you with joy! :)

  • Let's find the number of terms in this polynomial.
  • The given polynomial has 2 terms:
  • -5h and 8
  • Polynomials with 2 terms are called "binomials"
  • Thus, -5h+8 has 2 terms.

<u>Answer:</u>

2 terms

Hope it helps!

\rm{Stargazing{\bold{WithJoy:D}

4 0
3 years ago
Find the area in the shaded region.
irinina [24]
The answer should be 227 ft
7 0
3 years ago
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3/4 - 1/3 plz help thanks
galben [10]
3/4 - 1/3
Multiply so that the numbers under the lines are the same:
9/12 - 4/12 ---> 5/12
You cannot make it any smaller. So it stays like that
4 0
3 years ago
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Help please!!!!!!!!!!!!
ziro4ka [17]
He could have put that they are the same shape for A and B but they are flipped around
6 0
3 years ago
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