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valkas [14]
3 years ago
14

Which line is the line of reflection? a b c d

Mathematics
2 answers:
Andrej [43]3 years ago
5 0
B because the image flipped over that line.
Allisa [31]3 years ago
3 0

Answer:

B

Step-by-step explanation:

If you put line b and the triangles on a graph with line b as one of the axes then it will be a lot more clearer.

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Explain why each of the following studies may fail to yield the desired information. (a) To determine the average annual income
harkovskaia [24]

Answer:

the following studies may fail to yield the desired information because

(a) i. some of the students might have died before 2015.

ii. Some people might lie based on the questionnaire sent.

So based on the two factors above the desired information might be altered or incorrect.

(b) i. individuals may be unwilling to provide accurate answers during the survey.

Step-by-step explanation:

Information may be altered when individuals are asked about their income or spending in other to show off to friends or the person asking the questions.

8 0
4 years ago
Sripathi 10 years old than ragu. their total age is 100
Fiesta28 [93]
S = 10 + r

s + r = 100

Adding equations,

2s +r = 110 + r

2s = 110

s = 55

r = 45


8 0
3 years ago
What is PEMDAS and GEMS ? <br> Pls Help ASAP :) WILL GIVE BRAINLIEST IF RIGHT !!
jolli1 [7]

prantheseis  exponets  multipication division addition and subtraction and gems is groups exponents multipication and subtraction hope this helps

3 0
3 years ago
Read 2 more answers
Lesson 3.2 percent increase and decrease
sp2606 [1]
What is the question you are asking and no one is gonna know what lesson 3.2 means.
4 0
3 years ago
WILL mark brainliest!
Angelina_Jolie [31]

Answer:

  110.5348 minutes

Step-by-step explanation:

The difference from room temperature changes from 103 to 59 in 46 minutes, so that difference can be modeled by the exponential equation ...

  Δt = 103×(59/103)^(t/46)

We want to find t for the temperature difference Δt = 91 -64 = 27.

  27 = 103×(59/103)^(t/46)

  27/103 = (59/103)^(t/46) . . . . . divide by 103

Taking logs gives the linear equation ...

  log(27/103) = (t/46)log(59/103)

Multiplying by the inverse of the coefficient of t, we get ...

  t = 46·log(27/103)/log(59/103) ≈ 46·(-0.58147346)/(-0.24198521)

  ≈ 110.5347

It will take about 110.5347 minutes for the turkey to cool to 91 °F internally.

_____

<em>Comment on 4 decimal places</em>

An answer correct to 4 decimal places (7 significant digits) is a pretty good indication that the problem was worked correctly. However, that level of precision in the timing makes little sense in this context. Most thermometers will take at least a few seconds to register the temperature to within a tenth of a degree or so. This problem is asking for an answer that is within 6 milliseconds and 30 micro-degrees. Neither of these is anywhere near realistic for a kitchen meat thermometer.

More realistic would be an answer to 4 <em>significant figures</em>, a tenth of a minute and a few hundredths of a degree.

(The rate of change at the time of interest is about -0.33 degrees per minute.)

6 0
3 years ago
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