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guajiro [1.7K]
3 years ago
13

Then number of pandas in the world is decreauing at a rate of

Mathematics
1 answer:
xxMikexx [17]3 years ago
7 0

Answer:

2998 Panda's will be left in 4 years.

Step-by-step explanation:

0.5 x 4 =2

3000-2=2998

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According to the rules of significant figures 1.25*200=300<br> will give brainliest pls
charle [14.2K]

Answer:

It's false

Step-by-step explanation:

1.25*200=250 not 300.

6 0
2 years ago
Last year , there were 30 male members and 20 female members in a Chess Club . This year , the number of male members is decreas
LekaFEV [45]

The r% of a quantity x is computed by dividing x in 100 parts, and considering r of such parts. So, the r% of the male is

30\times\cfrac{r}{100} = 0.3 r

and similarly, the r% of female is

20\times\cfrac{r}{100} = 0.2 r

The number of males decreased by this quantity, so now it is

30 - 0.3r

and the number of female increased by this quantity, so now it is

20+0.2r

we know that these two new counts are the same number, so we can build and solve the equality

30 - 0.3r = 20+0.2r

Subtract 20 and add 0.3r from both sides:

10 = 0.5r

Divide both sides by 0.5 to solve for r:

r = 20

Let's check the answer

The 20% of 30 is 30 \times \frac{20}{100} = 6, while the 20% of 20 is 4. So, we are stating that 30-6 = 20+4 which is true because both expressions evaluate to 24.

7 0
2 years ago
Plzzzzzz I need help
Veronika [31]

Answer:

4 whole sticks of butter

Step-by-step explanation:

6 0
2 years ago
The perimeter of a rectangle is 84 Centimeters. the length is twice the width. find the length and width
KatRina [158]
Length= 28
Width= 14

Work:

2(2x)+2(x)=84
4x+2x=84
6x=84
x=14

14x2=28 (length)
6 0
2 years ago
Which are the roots of x^2-4x+4=20
Marysya12 [62]
X2+-4x+4=20 the final answer is 20!
3 0
3 years ago
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