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Juli2301 [7.4K]
4 years ago
5

Write an expression that represents the sum of 7and x

Mathematics
2 answers:
Lady_Fox [76]4 years ago
6 0

Answer:

7 + x

Step-by-step explanation:

............................

Elena L [17]4 years ago
4 0

Answer:

Step-by-step explanation:

7+x

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Prove or disprove that if a and b are two rational numbers, then a b is also a rational number.
Harman [31]
That is not correct, In a quotient or any type of equation numbers are considered rational number when they have repeating values, for this we will use {x} for example when comparing repeating values.


So if we have {a} + {b} from a equation prior to obtaining these values then we will take {a} + {b} and add {c} we will end up with {a} + {b} + {c}. We are using addition for an example.


{c} would only be a rational if it as well had repeating {x} values 

{x}=Repeating value
5 0
4 years ago
El cubo de cuatro veces y​
olganol [36]

Answer:

????? what?

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Iiana started to evaluate the function f(x)=2x^2-3x+7 for theinput value 2
Vitek1552 [10]

Answer:

The output for x = 2 is

\therefore f(2)=9

Step-by-step explanation:

Function:

A function is like a machine that gives an output for a given input.

A function has an independent variable which is called the input of the function.

The output for a given input is called the dependent variable.

Here. 'x' independent variable

f(x) is the function dependent variable

f(x)=2x^{2}-3x+7

So Put x = 2 in the f(x)  we get

f(2)=2(2)^{2}-3(2)+7= 2\times 4 -6 +7 = 8+1=9

The output for x = 2 is

\therefore f(2)=9

3 0
4 years ago
If 5 - 2x = 21, then what is the value of 3 - x?
tangare [24]
21-5=16
16/-2=-8
x=8
so 3-(-8)=3+8
=11
6 0
3 years ago
Read 2 more answers
Find the diffrence 3/4 - 1/3
gtnhenbr [62]

Answer: 0.4

Step-by-step explanation: 3/4 - 1/3 = 5/12

converted to decimal: 5 ÷ 12 = 0.4

3 0
3 years ago
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