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UkoKoshka [18]
3 years ago
12

Percents! Please answer!!

Mathematics
1 answer:
Fofino [41]3 years ago
7 0

Answer:

39%

Step-by-step explanation:

83-last price

83 last price

100 x ?

100 * last price = 83 . x

x= 39

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7. Find DE.<br> 11-25<br> E<br> А<br> 4x + 1<br> D<br> С
Arlecino [84]

Answer:

  • DE = 37

Step-by-step explanation:

AD = DC and BE=EC ⇒

DE = 1/2AB

  • 4x + 1 = 1/2(11x - 25)
  • 2(4x + 1) = 11x - 25
  • 8x + 2 = 11x - 25
  • 11x - 8x = 2 + 25
  • 3x = 27
  • x = 27/3
  • x = 9

DE = 4*9 + 1 = 36 + 1 = 37

3 0
3 years ago
Read 2 more answers
Takumi started studying how the number of branches on his tree changes over time.
Musya8 [376]

Answer:

Grows, Factor of 2

Step-by-step explanation:

The relationship between the elapsed time, t, in years, since Takumi started studying his tree, and the total  number of its branches, N(t), is modeled by the function:

N(t) = 63. 2^t

For illustration, let us take the growth for the first three years after he started studying the number of branches.

When \:t=1, N(1) = 63. 2^1=126\\When \:t=2, N(2) = 63. 2^2=252\\When \:t=3, N(3) = 63. 2^3=504\\504\div 252=252\div 126=2

We notice that for each subsequent year, the number of branches doubles.

Therefore:

Every year, the number of branches  <u>grows</u> by a factor of <u>2.</u>

8 0
4 years ago
A container is 70​% filled with chemical solution. The container holds 1,650 liters of chemical solution. How many liters of che
Anton [14]

Answer:

495

Step-by-step explanation:

1,650 x 0.7 = 1,155

1,650 - 1,155 = 495

(0.7 is the percentage)

Hope this helps!

7 0
3 years ago
Read 2 more answers
Can anyone Help plz!!
tensa zangetsu [6.8K]

Answer:

13) 76

14)76

15)90

16) wat is the shape

6 0
3 years ago
In the diagram below DE is parallel to XY what is the value of y
tester [92]

y = 180 - 100

y = 80


the answer is 80


8 0
4 years ago
Read 2 more answers
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