Answer:
6750
Step-by-step explanation:
4 digit numbers are 1000,1001,1002,...,9999
let numbers=n
d=1001-1000=1
9999=1000+(n-1)1
9999-1000=n-1
8999+1=n
n=9000
now let us find the 4 digit numbers divisible by 4
4| 1000
______
| 250
4 |9999
_____
| 2499-3
9999-3=9996
so numbers are 1000,1004,1008,...,9996
a=1000
d=1004-1000=4
let N be number of terms
9996=1000+(N-1)4
9996-1000=(N-1)4
8996=(N-1)4
N-1=8996/4=2249
N=2249+1=2250
so number of 4 digit numbers not divisible by 4=9000-2250=6750
Triangles are congruent if three sides of one triangle are congruent to the corresponding sides of the other triangle, according to the Side Side Side Postulate (SSS), which is perhaps the simplest of the three postulates. The only postulate that ignores angles is this one.
<h3>What is congruency?</h3>
Congruent refers to things that are exactly the same size and form. Even if we flip, turn, or rotate the forms, the shape and size should remain the same. Congruent triangles are two triangles that are the same size and form. Two congruent triangles remain congruent even if we flip, turn, or rotate one of them. Two triangles must have the same angles and, as a result, must be congruent if their sides are the same. Shapes that are identical to one another are said to be congruent. Both the matching sides and the corresponding angles match. Two forms that are similar to one another can be stacked perfectly.
To know more about congruency,
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For plan A f(t)=4000t+10000
for plan B 0.01+0.02+0.04+....=0.01*(2^t-1)
at first plan A seems better because you earn 4000 on the first day but you earn 0.01 but at last plan B is better .
f(31)=4000*31+10000=134000
g(31)=0.01*(2^31-1)=21474836.47
0.000010 is 10^-5 in standard form