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vovikov84 [41]
3 years ago
15

7/8+3/8can I have the answer

Mathematics
2 answers:
Georgia [21]3 years ago
7 0
7/8 + 3/8 = 10/8 = 5/4
Ne4ueva [31]3 years ago
5 0
7/8 + 3/8

Add numerators.

10/8
 
Simplify.

5/4.

This can also be written as 1 1/4.
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Prove Forall x elementof Z, x^2 - 5x - 1 is odd.
Diano4ka-milaya [45]

Answer with Step-by-step explanation:

Let Z be a set of integers

We have to prove that x^2-5x-1 is odd for all value of x \inZ.

There are two cases

1.When x is an odd integer number

2.when x is even integer number

1.When x is an odd integer  number

When x is positive odd integer

Then x^2  is positive odd number (because square of odd positive number is always positive an odd number )

5x is also odd number

-5x -1 = -even number

Suppose x=3

Then -15-1=-16

Odd number - even number=Odd number

Hence ,x^2-5x-1 is an odd number .

When x is negative odd number

Then  x square is positive odd number  and 5x is negative odd term term

Therefore,odd number + odd number -1=Even  number -1=Odd number

Hence x^2-5x-1 is an odd number.

2.When  x is an even number

When x is positive even number

x square is positive even number  and 5x is positive even number

Even number -Even number -1 =Even number -odd number =Odd number

Suppose x=4

x^2-5x-1=16-20-1=-5=Odd number

When x is negative even number

Then x square is positive even number  and 5x is negative even number

x^2-5x-1=Even number +Even number -1=Even number -1=Odd number

Hence, for all elements of Zx^2-5x-1is odd.

7 0
3 years ago
A printer needs 12,000 good copies of a flyer for a particular job. Previous experience has shown that she can expect no more th
PilotLPTM [1.2K]

Answer:

12600

Step-by-step explanation:

5% of 12000 is 600 so just add them

8 0
3 years ago
In a recent town election, 1,860 people voted for either candidate A or candidate B for the position of supervisor. Ifcandidate
zhannawk [14.2K]

Answer:

1860 - 550 = 1310 \\  = 1310

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3 years ago
How is copying line segment similar to copying an angle?​
makkiz [27]

Answer:

In terms of construction, copying a line segment and an angle requires a fixed compass width as a basic tool

Step-by-step explanation:

The basic similarity is in both constructions, or copies is that we are going to use the same compass width in each case as the basic tool to copy a line segment or an angle.

hope this helpes

be sure to give brainliest

7 0
2 years ago
Is 1.76 a rational number ?
inna [77]
Yes....a rational number can be turned into a fraction
1.76 = 176/100
6 0
3 years ago
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