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Anni [7]
3 years ago
8

Which of the following statements best describes the solution below ?

Mathematics
1 answer:
stira [4]3 years ago
8 0

Answer:

D

Step-by-step explanation:

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abruzzese [7]
6-7n=29 would be your answer
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2. Maria is monitoring the temperature of
stiks02 [169]

Here, we are required to determine after how many minutes will the two substances be at the same temperature.

The equation of when the two substances will be at the same temperature and the solution are as follows;

(a) The equation is 96.2 + 1.5(x) = 98.5 + 0.8(x).

(b) The solution is, x = 3.285minutes.

For substance A which is currently at 96.2° and rising at 1.5° each minute; It's temperature after x minutes is given as;

  • T(a) = 96.2 + 1.5(x)

For substance B which is currently at 98.5° and rising at 0.8° each minute; It's temperature after x minutes is given as;

  • T(b) = 98.5 + 0.8(x)

(a) For the two substances to be at the same temperature; T(a) must be equal to T(b).

  • T(a) = T(b)

The equation is therefore;.

96.2 + 1.5(x) = 98.5 + 0.8(x)

(b) To determine the solution;

1.5x - 0.8x = 98.5 - 96.2

0.7x = 2.3

x = 2.3/0.7

x = 3.285minutes.

Read more:

brainly.com/question/20248109

5 0
2 years ago
A geometric sequence is defined recursively by an = 20an-1. The first term of the sequence is 0.01. Which of the following is th
Dmitrij [34]
Hello : 
hello :
the nth term is : An=A1×r^(n-1) 
<span>The first term of the sequence is 0.01
r =An/an-1 =20
</span><span>An =0.01(20)^n-1...(answer :D )
</span>
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Answer:

So we know that y=1/2x. So we apply this equation on each x.

x=-2, so y=1/2*-2 which is -1. so y = -1

x=0, so y = 1/2 * 0 which is 0. so y=0

x=2, so y = 1/2*2 which is 1. so y=1

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4 0
3 years ago
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if an ice cream factory makes 350 quart of ice cream in 2 hours?how many quarts could be made in 12 hours? what was the rate in
UkoKoshka [18]
2,100 quarts could be made in 12 hours. The rate for that day was 175 quarts every hour. We get this by dividing 350 by 2.
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3 years ago
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