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Reil [10]
4 years ago
9

The perimeter of a rectangular garden is 43.8ft it’s length is 12.4ft what’s its width

Mathematics
1 answer:
vovangra [49]4 years ago
8 0

Answer:

31.4 is the answer

Step-by-step explanation:

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How do I do explict formula?
Semenov [28]

Answer:

Hope fully this montage helps.

Step-by-step explanation:

5 0
3 years ago
In the sequence s of numbers, each term after the first two terms is the sum of the two immediately preceding terms. what is the
Lina20 [59]
Sn=n/2 (2a1 +(n-1)d)

[s5= 5/2 (2a1 +(5-1)d) = 5a1+10d]

s6=3(2a1+5d) = 6a1+15d
s4=2(2a1+3d) = 4a1+6d

6a1+15d -(4a1+6d) = 5 -----(1)

s7=7/2(2a1+6d) =7a1+21d

6a1+15d + 7a1+21d = 21 -----(2)

(1) 2a1+9d=5 -----(3)
(2) 13a1+36d=21 ----(4)

(3)*4 ; 8a1+36d=20 ----(5)
(4)-(5) 5a1 = 1
so a1 = 1/5

(3) 2a1+9d=5
2(1/5)+9d = 5
9d = 5-2/5 =23/5
d = 23/45


so [s5= 5/2 (2a1 +(5-1)d) = 5a1+10d = 5(1/5) + 10(23/45) = 1 + 5.11 = 6.11 ]

i'm not sure about the answer but the process is correct
6 0
3 years ago
Mrs. Allard asked her students to identify which of the polynomials below are in standard form and explain why.
ANEK [815]

Answer:

Only II. is written in standard form

Step-by-step explanation:

The three polynomials given are:

I. 15x^4 - 6x + 3x^2 - 1

II. 12x^3 + 8x + 4

III. 285 + 8x^2 + 10%

A polynomial is said to be in standard form when the variables are written in terms of descending powers i.e. the term with the highest power first, followed by the next and so on.

Examining the three polynomials I, II and III, there is only one which follows this rule and that is:

II. 12x^3 + 8x + 4

The term with the highest power (3) came first, followed by the term with the next degree of power (1) and the last term with degree of power as 0.

Hence, only II. is written in standard form.

3 0
3 years ago
hal forgot the number of people at the basketball game. he does remember that number had a 3 in the tens place. which number cou
Andrei [34K]
There could have been 31 people at the game. Or there could have been 13 million 642 thousand 837 of them. There are a lot of other possibilities too. Can you find some more without help ?
3 0
3 years ago
What is the height of the cone below?<br><br> 3 in.<br> 9 in.<br> 27 in.<br> 75 in.
tekilochka [14]

Answer:

The answer should be 9in.

hope that helped.

Step-by-step explanation:

3 0
3 years ago
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