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White raven [17]
2 years ago
12

Answer three questions for 11 points

Mathematics
2 answers:
Ksenya-84 [330]2 years ago
8 0
3. A 2.b 1.a i think if this is correct then I hope this helps
Gnesinka [82]2 years ago
8 0
1. Since dazzling is 9 times brighter than radiant, and radiant is 9 times brighter than illuminated, them dazzling is (9*9=81) 81 times brighter than illuminated
Answer=81 times

2.
To solve this we first have to put the mixed numbers in decimal form.
2 5/8=2.625
2 2/3=2.66666666 

So now that they are all in decimal form, its easier to see that A is the answer that correctly places them in order for least to greatest.
Answer=A

3.For the coldest temperature, we need to find the lowest number. -20 is the lowest number given, therefore it is the coldest temperature.
Answer=C
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Anna does sit-ups to get ready for her first triathlon. When she starts, she does a sit-up every 222 seconds. But, as she gets t
Alexeev081 [22]

Answer:

Choice B) No.

Step-by-step explanation:

When she starts , she does a sit-up every 222 seconds.

But as she gets tired, each sit-up takes longer and longer to do.

It means, each sit-up takes more time than she did at beginning.

So, it is NOT proportional to the time.

If it is proportional, she should take constant number of sit-ups even she get tired.

7 0
3 years ago
Match each pair of points with the coordinate that will make a right triangle with its hypotenuse along the graph shown.
MrRa [10]
1 is B
2 is C
3 is A
4 is E

It's a simple question if you use the graph. I recommend you plot the points, so hopefull you can see how i got the answers.
6 0
3 years ago
annual sales for a company are $149,999 and are increasing at a rate of 6% per year. write an exponential growth function to mod
elixir [45]

Answer:

  • S(t) = 149999(1.06)^t
  • $225543

Step-by-step explanation:

  • Initial value is $149999
  • Increase rate is 6% per year = 1.06 times

<u>The model of the growth is:</u>

  • S(t) = 149999(1.06)^t, where S- amount of annual sales, t- time in years, 1.06- growth rate per year

<u>Annual sales after 7 years:</u>

  • S(7) = 149999(1.06)^7 = $225543
4 0
3 years ago
Can somebody please solve question 11 for me?
love history [14]
1+tan^2(A) = sec^2(A) [Pythagorean Identities]

tan^2(A)cot(A) = tan(A)[tan(A)cot(A)] = tan(A)[1] = tan(A)


*see photo for complete solution*

6 0
3 years ago
The ratio of two numbers is 4:5 if the larger number is 300 what is the smaller number​
yaroslaw [1]

Answer:

The smaller number is 240.

Step-by-step explanation:

The question says that the larger number is 300, so 5 has to be 300.

4:5

?:300

You can use cross-multiplication or find the scale factor to find the answer.

Cross-multiplication:

4 × 300 ÷ 5 = 240

Finding the scale factor:

300 ÷ 5 = 60

4 × 60 = 240

The smaller number is 240.

6 0
2 years ago
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