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Verdich [7]
4 years ago
11

9 x 10 *9 or 3 x 10 *-4

Mathematics
1 answer:
Mademuasel [1]4 years ago
6 0
The first one is 810

The second is -120
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Giant tortoises move very slowly. They can travel a distance of about 0.17 mile in 1hour. If it travels at the same speed, how f
ELEN [110]
0.17 in 1 hour
0.34 in 2 hours
0.51 in 3 hours
0.68 in 4 hours
6 0
3 years ago
The sum of three numbers is 121 The third number is 3 times the second. The first number is 6 times the second. The first number
Mama L [17]

Answer:

The first number is

72.6

Step-by-step explanation:

Let second number be x.

First number= 6x

Third number= 3x

According to question,

6x+x+3x=121

or, 10x=121

or,x=121/10=12.1

First number= 6x=6×12.1=72.6

Third number=3x=3×12.1=36.3

3 0
3 years ago
Read 2 more answers
Simplify: 3m/m-6*5m^3-30m^2/5m^2<br>A.7<br>B.m+7<br>C.m+8<br>D.3m
VLD [36.1K]
<span>I think you meant this: (3m/m-6)*(5m^3-30m^2/5m^2)
If that's the case, the simplified form:
=3m</span>
8 0
3 years ago
Read 2 more answers
What are the explicit equation and domain for an arithmetic sequence with a first term of 5 and a second term of 3?
meriva
Any arithmetic sequence can be expressed as:

a(n)=a+d(n-1), a=initial term, d=common difference, n=term number

In this case a=5, and d=-2 so

a(n)=5-2(n-1)  which can be simplified...

a(n)=5-2n+2

a(n)=7-2n

The domain is restricted to integers from 1 to +oo.
3 0
3 years ago
Read 2 more answers
Prove the following statement.
gayaneshka [121]

Answer:

You can prove this statement as follows:

Step-by-step explanation:

An odd integer is a number of the form 2k+1 where k\in \mathbb{Z}. Consider the following cases.

Case 1. If k is even we have: (2k+1)^{2}=(2(2s)+1)^{2}=(4s+1)^{2}=16s^2+8s+1=8(2s^2+s)+1.

If we denote by m=2s^2+2 we have that (2k+1)^{2}=8m+1.

Case 2. if k is odd we have: (2k+1)^{2}=(2(2s+1)+1)^{2}=(4s+3)^{2}=16s^2+24s+9=16s^{2}+24s+8+1=8(2s^{2}+3s+1)+1.

If we denote by m=2s^{2}+24s+1 we have that (2k+1)^{2}=8m+1

This result says that the remainder when we divide the square of any odd integer by 8 is 1.

6 0
3 years ago
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