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irakobra [83]
4 years ago
8

Lin come complete 30 math problems in 2 hours. how do i make an expression for that

Mathematics
1 answer:
Blizzard [7]4 years ago
3 0

Answer:

60(2)=30

Step-by-step explanation:

Happy Quarantining!

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Evaluate the expression when a=-2 and x=7.<br> -2a+x
ziro4ka [17]

Step-by-step explanation:

-2a + x

Putting values of a = - 2 and x = 7

-2(-2) + 7

4 + 7

= 11

8 0
2 years ago
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Write an absolute value inequality for the graph below.<br>use x for your variable.<br>​
Alenkasestr [34]

Step-by-step explanation:

The magnitude of x is equal or less than 7.

=> We have |x| <= 7.

7 0
3 years ago
Suppose b is any integer. If b mod 12 = 5, then 7b mod 12
Rzqust [24]

The result follows directly from properties of modular arithmetic:

b\equiv5\pmod{12}\implies 7b\equiv35\equiv-1\equiv\boxed{11}\pmod{12}

That is,

b\equiv5\pmod{12}

means we can write b=12n+5 for some integer n. Then

7b=7(12n+5)=12(7n)+35

and taken mod 12, the first term goes away, so

7b\equiv35\pmod{12}

etc

8 0
3 years ago
Given the function f(X)= |3x-7|, find the values of X that satisfy the equation f(X) = 4
Kay [80]

Answer:

x = 1 or x = \frac{11}{3}

Step-by-step explanation:

The expression inside the absolute value function can be positive or negative

That is 3x - 7 = ± 4

There are 2 equations to solve

(1)

3x - 7 = 4 ( add 7 to both sides )

3x = 11 ( divide both sides by 3 )

x = \frac{11}{3}

(2)

3x - 7 = - 4 ( add 7 to both sides )

3x = 3 ( divide both sides by 3 )

x = 1


5 0
3 years ago
Does the following relationship represent a function?
Naddik [55]

Answer:

Yes

Step-by-step explanation:

Each input must only have one output. In other words, an x-value goes with one y-value. in this model, each input has an output.

6 0
3 years ago
Read 2 more answers
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