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oee [108]
3 years ago
12

I need to answer both please !! x

Mathematics
1 answer:
lawyer [7]3 years ago
4 0

Answer:

answer to the first question in the image attached above

Step-by-step explanation:

Hope it's helps

You might be interested in
The area of a square is increasing at the constant rate of 16sq.ft./min. When the perimeter of the square is 36ft, how fast is t
bixtya [17]

Answer:

The perimeter of square is increasing by 3.76ft/min and then by 3.4 ft/min.

Step-by-step explanation:

Given that area of square is increasing at a rate of 16 sq ft/min.

Given that final perimeter is 36ft

Perimeter of a square = 4 \times side = 36

So, side, a' = 9 ft

We know that area of a square is given by the formula:

A = side^2 = a^2 (If we let side = a units)

Change in area =

a'^2 - a^2\\\Rightarrow 9^2 - a^2 = 16\\\Rightarrow 81 - 16 = a^2\\\Rightarrow a = 8.06\ ft

So, side got changed from 8.06ft to 9 ft.

So, perimeter when side was 8.06 ft:

4 \times 8.06 = 32.24\ ft

Hence, increase in the perimeter when perimeter is 36 ft is = 36 - 32.24 = 3.76 ft

For finding Next increase:

area gets changed from 81 sq ft to 81+16 = 97 sq ft

So, new side = \sqrt{97} ft = 9.85 ft

Next increase in perimeter = 4 (New side - Old side)

= 4 (9.85 - 9)

= 3.4 ft/min

6 0
3 years ago
ETHANHUNT HELP PLS<br> <br> The marked sides have equal lengths.<br>  <br> What is the value of x?
dezoksy [38]
Here, both sides are equal, represented by - sign.
So, 4x + 12 = 60
4x = 60 - 12
x = 48/4
x = 12

In short, Your Answer would be 12

Hope this helps!
3 0
3 years ago
4000 dollars is placed in an account with an annual interest rate of 5.25%. How much will be in the account after 17 years, to t
dezoksy [38]
5.25% of 4000 is 210, multiplied by 17 is 3570, plus the initial 4000 comes to $7570.00
3 0
3 years ago
Help, I don’t know how to solve this
Inessa [10]

Answer:

a=A/8

Step-by-step explanation:

This MIGHT be the answer, I am 99% sure!

7 0
1 year ago
What is m in the simultaneous equation <br> M -n=1<br><br> M+n=3
Lady bird [3.3K]
The simultaneous equations is missing +8
8 0
3 years ago
Read 2 more answers
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