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VladimirAG [237]
3 years ago
7

How do I find the first four terms of the sequence?

Mathematics
1 answer:
vivado [14]3 years ago
8 0

well your first term is obviously 5, then substitite n for 2, 3, and 4

a2 = a1+5 --> a2 = 12

a3 = a2 +5 --> a3 = 17

a4 = a3+ 5 --> a3 = 22

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Alika [10]
2nd one is the correct one I think
5 0
3 years ago
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Please help me with questions 21 and 22
valentina_108 [34]
I’m not sure abt 21 but 22 is the second one and the 4th one. So 2,4.
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The perimeter of a triangle is 90 cm.
harkovskaia [24]
Can you work out what one share is
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4 0
2 years ago
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A water storage tank has the shape of a cylinder with diameter 14 ft. It is mounted so that the circular cross-sections are vert
Gala2k [10]

Answer:

"85.7%" is the right answer.

Step-by-step explanation:

According to the question,

The total capacity of water tank will be:

⇒ v_1=A\times 14

The total volume of water will be:

⇒ v_2=A\times 12

Now,

The percentage of total capacity will be:

= \frac{100\times v_2}{v_1}

= \frac{v_2}{v_1}\times 100

By putting the values, we get

= \frac{A\times 12}{A\times 14}\times 100

= 85.7%

8 0
2 years ago
16
Bas_tet [7]

7.5cm

lets take point K represent lenght from M to perimeter of circle.

r is radius

KM= r-OM= r-4.5cm

now lets draw line from O to A (OA)

we get triangle.

hypotenuse is OA and it equals r(radius)

ab=12 cm. so another side of the triangle (AM) is 12/2=6cm. and the last side of the triangle is 4.5(OM)

use pythaghorean theorem

squares of sides added = square of hypotenuse

20.25+36=r^2(our hypotenuse is radius)

56.25=r^2

r=√56.25=7.5cm

5 0
3 years ago
Read 2 more answers
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