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yKpoI14uk [10]
3 years ago
7

URGENT 13 POINTS!

Mathematics
1 answer:
Nostrana [21]3 years ago
4 0

Answer:

The mean for december is higher than januarys mean.

Step-by-step explanation:

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is this right?? plz answer
tekilochka [14]

Answer:maybe

Step-by-step explanation:

To answer that we need to talk about parallel universes

8 0
3 years ago
Read 2 more answers
If a starting number is 30 and it falls to 11 what % decrease is that?
jonny [76]

Answer:

The question would've given you to what number you should round up your answer.

Answer is:

Whole number:

63%

1 decimal place:

63.3%

2 decimal places:

63.33%

Exact number:

\frac{190}{3}%

Step-by-step explanation:

So the starting no. = 30

Ending no. = 11

In order to evaluate the percentage of decrease we:

(Ending number/starting number) * 100

So:

\frac{11}{30} *100 = \frac{11}{3} *10 = \frac{110}{3}%%

To find the Decrease percentage:

100 % - 110/3 %

= 63.333%

3 0
3 years ago
Evaluate.<br> -3(-2) (-4)
boyakko [2]

Answer:-24

Step-by-step explanation:

-3(-2) = 6 x (-4) = -24

8 0
3 years ago
Read 2 more answers
A scientist needs 60 liters of a 40​% acid solution. He currently has a 20 % solution and a 50 % solution. How many liters of ea
Stella [2.4K]

percent ---------------- quantity

Acid type I 60.00% ---------------- x liters

acid type II 30.00% ------ 60 - x liters

Mixture 40.00% ---------------- 60

Total 60 liters

60.00% x + 30.00% ( 60 - x ) = 40.00% * 60

60 x + 30 ( 60 - x ) = 2400


60 x + 1800 - 30 x = 2400

60 x - 30 x = 2400 - -1800

30 x = 600

/ 30

x = 20 liters 60.00% Acid type I

40 liters 30.00% acid type II

brainliest plzz

6 0
3 years ago
Express the plane z = x in terms of spherical and cylindrical coordinates
Eddi Din [679]
Mahdidhjfjdbhdmdbxjdndndudjdj
4 0
3 years ago
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