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Norma-Jean [14]
3 years ago
11

Find the next three term of arithmetic sequence -9,-1,7,15,..​

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
4 0
The pattern is +8

So the next three numbers are 23, 31, 39
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If 7x -3, BC = 9x -11 and AC = 4x + 1. Solve for x and the value of each side
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Value of x

For an isosceles triangle two sides are equal
AB=BC
7x-3=9x-11.
11-3=9x-7x
8=2x
2x=8
x=8/2
x=4

AB =7x-3=7(4)-3=25 units

BC=9x-11=9(4)-11=25 units

AC=4x+1=4(4)+1=17 units



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Answer:

12:25

Step-by-step explanation:

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Número de alunos selecionados: 1.200

A proporção que representa o número total de alunos selecionados em relação ao número de alunos matriculados é dada como:

Número de alunos selecionados: Número de alunos matriculados

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4 0
3 years ago
A woman invested 3 times as much at 6% as she did at 3%. The total amount of interest she earns in 1 year from both accounts is
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Answer:

90.75 cm^2

Step-by-step explanation:

The area of a trapezoid is given by

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A = 1/2(8.5+ 15.7) * 7.5

1/2 (24.2) 7.5

90.75 cm^2

6 0
2 years ago
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