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irga5000 [103]
3 years ago
6

During a scuba dive, Lainey descended to a point 23 feet below the ocean surface. She continued her

Mathematics
1 answer:
abruzzese [7]3 years ago
8 0

t (23) ≤ 97 - 23

The minus 23 at the back represents the feet she already descended before what the question wants us to calculate

≤ is used instead of < because it states more than, not "equal or more than" (meaning 97 sharp is fine)

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Hi, prove that (AXB).(CXD)+(BXC).(AXD)+(CXA).(BXD)=0
slava [35]
No.i will not prove that.
5 0
3 years ago
The width of a rectangle is 3 more than twice its length. the area is 35 square meters what is the length of the rectangle
defon
35=3L+3
3L=32
L=10\frac{2}{3}
THE LENGTH OF THE RECTANGLE IS 10 AND TWO THIRD METERS.
10\frac{2}{3}+2(10\frac{2}{3})+3=35
6 0
3 years ago
Effective Rate find the effective rate of interest corresponding to a nominal rate of 7.5% per year compounded.
Jlenok [28]

Answer:

(A) 7.5 %

(B) 3.75 %

(C) 2.5%

(D) 0.625 %

Step-by-step explanation:

We have given effective rate of interest r = 7.5%

(a) Annual rate of interest will be equal to 7.5 %

(B) As we know that 1 year = 12 months

And interest is compounded semiannually

1 semiannual = 6 months

So semiannual rate of interest will be equal to \frac{7.5}{2}=3.75 %

(c) 1 quarter = 4 month

So number of period in an year = 3

So rate of interest quarterly =\frac{7.5}{3}=2.5 %

(D) Amount when amount is compounded monthly '

So number of period in an year = 12

So rate of interest =\frac{7.5}{12}=0.625 %  

3 0
3 years ago
<img src="https://tex.z-dn.net/?f=12%5Ctimes%2012%5Ctimes%2011" id="TexFormula1" title="12\times 12\times 11" alt="12\times 12\t
vekshin1
12 x 12 x 11
12 x 12 = 144
144 x 11 = 1584


the answer is 1584 ! hope that helps :)
5 0
2 years ago
What is the completely factored form of d^4 - 81
Flauer [41]

Answer:

Step-by-step explanation:

d^4-81

(d^2)^2-(9)^2

Using formula

(d^2+9)(d^2-9)

4 0
3 years ago
Read 2 more answers
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