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Svetllana [295]
3 years ago
6

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Write and solve an equa

tion to find the answer. From midnight to 6:00 am, the temperature rose 8°C. At 6:00 am, the temperature was − 20 ° C. What was the temperature at midnight?
Mathematics
1 answer:
IrinaVladis [17]3 years ago
4 0

Answer: -28 degrees Celsius

Step-by-step explanation:

Equation: -20 = t + 8 or t = -20 + -8 (t represents the temperature at midnight).

Using the second equation given, add the two numbers together. Since adding a negative is the same as subtracting a positive, subtract 20 from 8 and make it negative. The answer is -28.

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Answer:

1. $50+$20x

2. 3 hours

3. $170

Step-by-step explanation:

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6 0
3 years ago
What is the answer (6√2)(-3√5)
alexgriva [62]

Solution:

- 18 \sqrt{10}

<h3>Step-by-step explanation:</h3>

<h3>1. Apply rule : a(-b) = -ab</h3>

<h3> </h3>

=  - 6 \sqrt{2}   \:  \: • \:  \: 3 \sqrt{5}

2. Apply radical rule : \sqrt{a}  \sqrt{b}  =  \sqrt{ab} , a \geqslant 0, b

=  6 \sqrt{2 \: • \: 5}  \: • \: 3

<h3>3.Multiply the numbers : 2 • 5 = 10</h3>

=6 \sqrt{10} •3

<h3>4.Multiply the numbers : - 6 • 3= - 18</h3>

=  - 18 \sqrt{10}

7 0
2 years ago
8 3/4 miles in 5/8 write as a rate?
dlinn [17]
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8 0
3 years ago
Sharifah earned $61,000 last year. If the first $34,000 is taxed at 11% and income above that is taxed at 17%, how much does Sha
Marina CMI [18]

Using proportions, it is found that Sharifah owns $8,330 in taxes.

<h3>What is a proportion?</h3>
  • A proportion is a <u>fraction of total amount</u>, and the measures are related using a rule of three.
  • Hence, using proportions, a percentage x% of an amount a is given by: \frac{x}{100} \times a.

<h3>Taxes for the first $34,000:</h3>
  • Rate of 11%, hence:

T_1 = 0.11(34000) = 3740

<h3>Taxes for the amount above $34,000:</h3>
  • The amount taxed is $27,000, as 61000 - 34000 = 27000.
  • Rate of 17%, hence:

T_2 = 0.17(27000) = 4590

Then, the total amount is:

T = T_1 + T_2 = 3740 + 4590 = 8330

Sharifah owns $8,330 in taxes.

You can learn more about proportions at brainly.com/question/24372153

8 0
2 years ago
What is the value of Negative 3 StartAbsoluteValue 15 minus 2 EndAbsoluteValue + 2 s cubed when s = negative 3?
nirvana33 [79]
-93 Please vote me as brainliest if you think i helped and i attached a photo with work as well :) Have a great day

6 0
3 years ago
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