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Juli2301 [7.4K]
3 years ago
5

Work out the third term of the sequence with nth term 3(n+2).​

Mathematics
2 answers:
svetlana [45]3 years ago
7 0

Answer:

15

Step-by-step explanation:

To find the third term substitute n = 3 into the n th term expression

a_{3} = 3(3 + 2) = 3 × 5 = 15

Anon25 [30]3 years ago
6 0

Answer:

Step-by-step explanation:

n = 3

3(n + 2) = 3(3+2) = 3*5 = 15

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zysi [14]

Answer:x=90°

Step-by-step explanation:

8 0
2 years ago
How can I make this equation into an ordered pair
Novay_Z [31]
I'd suggest re-wording your question:
"How do I find the ordered pair (x,y) that solves this system of linear equations?"

One way of doing that would be to substitute y=5x+7 into the other equation:

-3x - 2(5x+7) = -12.  Solve this for x.  Once you have a value for x, subst. that value into y=5x+7 to find the corresponding y value.

Then write the ordered pair (x,y).  That's it.
3 0
3 years ago
Write 6.7 as a mixed number and as an improper fraction. Do not try to simplify your answers. mixed number: DO ola X Х Improper
jonny [76]

Answer:

9+4]65%=4

Step-by-step explanation:

4 0
3 years ago
Can someone plz help me
Aleonysh [2.5K]

Answer:

C

Step-by-step explanation:

It makes sense

4 0
3 years ago
A cardboard box without a lid is to be made with a volume of 44 ft3. Find the dimensions of the box that requires the least amou
-BARSIC- [3]

Answer:

x =  3.53 ft

y - 3.53 ft

z = 3.53 ft

Step-by-step explanation:

given details

volume = 44 ft^3

let cardboard dimension is x and y and height be z

we know that area of given cardboard without lid is given as

A = xy + 2xy + 2yz

xyz   = 44 ft^3

To minimize area we have

A = xy + 2x (44/xy) + 2y(44/xy)

A = xy + (44/y) + (44/x)

we have

Ax = y - \frac{44}{x^2}

0 = yx^2 = 44................1

Ay = x - \frac{44}{y^2}

0 = x - \frac{44}{y^2}

xy^2 = 44 ..............2

from 1 and 2

yx^2 = xy^2

xy(y-x) = 0

xy = 0 or y = x

from geometry of probelem

x ≠ 0 and y ≠ 0

so y = x

x^3 = 44

x =  3.53 ft = y

z = 44/xy = 3.53

6 0
3 years ago
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