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3 years ago

Help please mark u brainlist

Mathematics

2 answers:

Nikitich [7]3 years ago

8 0

(2). -10-9m
(4). 77w-54
(5). 72n+27
(6). 20y+24g
(7). 14-63w
(8). -21s-55
(9).3(1-2m) ps could answer all of them but hope this helps :)

Inessa05 [86]3 years ago

4 0

Answer:

1) 12h - 10

2) 63m + 54

3) 21z - 12

4) 77w - 54

5) -72n + 28

6) 20y + 63

7) -24g -72

8) -63w + 14

9) -21s

10) -6m -12

Step-by-step explanation:

You might be interested in

Solve for x in this inequality. Show all your work and<br> graph your solution.<br> 4(x-3)<2x-4

maw [93]

Answer:

x<4

Step-by-step explanation:

To solve for x in the inequality equation, the terms should be rearranged such that x is on one side and integers are on the other side.

First, expand 4(x-3).

This will obtain:

$4x - 12 < 2x - 4$

Now, shift x terms and integers on each side.

$4x - 2x < - 4 + 12$

After simplifying, it will get:

$2x < 8$

Finally, we can solve for x.

$x < 4$

We can also draw the respective graph (please don't mind my drawings), where the area shaded in green is the range.

6 0

3 years ago

The population of rabbits on an island is growing exponentially. In the year 1990, the population of rabbits was 1200, and by 19

kobusy [5.1K]

Answer:

2023 rabbits

Step-by-step explanation:

The exponential model consists of the following expression:

$y = A \cdot r^{t}$

Where:

$A$ - Initial population.

$r$ - Increase rate.

$t$ - Time

$y$ - Current population.

The initial population and increase rate are, respectively:

$1200 = A \cdot r^{0}$

$A = 1200$

$1700 = 1200 \cdot r^{4}$

$r^{4} = \frac{1700}{1200}$

$r^{4} = \frac{17}{12}$

$r = \sqrt[4]{\frac{17}{12} }$

$r \approx 1.091$

The exponential model that predicts the population of rabbits is:

$y = 1200\cdot 1.091^{t}$

Lastly, the expected population for the year 1996 is:

$y = 1200\cdot 1.091^{6}$

$y\approx 2023.624\,rabbits$

5 0

4 years ago

Which one is right..

frez [133]

Answer:

the answer would be C

Step-by-step explanation:

8 0

3 years ago

Please someone help quickly thank you very much

Tema [17]

Answer:

I think the answer is 81.

Step-by-step explanation:

Vertical angles are congruent.

x + 3 = 84

- 3 = -3

--------------

x = 81

3 0

3 years ago

Helppppppp. Find k if the lines 3x-5y=9 & 2x+ky=11 are a)parallel and b)perpendicular

V125BC [204]

For lines to be parallel, they have to have the same slopes. For the equation given as Ax + By + C = 0, the slope is -A / B. Equating the slopes of the given equations of lines,
- (3 / -5) = - (2 / k)
The value of k is equal to -10/3.

7 0

3 years ago

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