4 years ago

J/k-0.02k when j=25 and k=5

1 answer:

3 0

Answer: 4.98

Step-by-step explanation:fractions are dividing so if j=25 and k=5 the division problem would be 25 divided by 5 then u would subtract 0.02 to get 4.98

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What is the fraction 4/12+6/12

dsp73

10/12=5/6. When denominators are the same, add numerators and use same denominator. Then simplify

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4 years ago

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Determina la suma de las siguientes progresiones los primeros 18 términos de la progresión aritmética: an = -{4, 12, 20, 28, 36,

Anuta_ua [19.1K]

Hello,
let
t=(-4)+(-12)+(-20)+(-28)+(-36)+....=-(4+12+20+28+36+...)=-s

$a_{1}=4=-4+1*8$
$a_{2}=12=-4+2*8$
$a_{3}=20=-4+3*8$
$a_{4}=28=-4+4*8$

...
$a_{18}=?=-4+18*8=140$

$a_{i}=-4+i*8$

$s=\sum_{i=1}^{18} (-4+i*8)=\sum_{i=1}^{18} (-4)+\ 8*\sum_{i=1}^{18}(i)\\\\=(-4)*18+8*(1+2+3+4...+18)\\\\=-72+\frac{(1+18)*18}{2}\\\\=-72+171=99$

$\boxed{\ t=-99}$

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3 years ago

Use the Distributive Property to simplify this expression.<br> 15. (7 + 6w)6

antiseptic1488 [7]

(7+6w)6

7 x 6 = 42

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so it becomes:

42 +36w

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