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Luden [163]
4 years ago
13

Simplify./ Simplificar. 6(-2a + 4 + 3a)*

Mathematics
1 answer:
Salsk061 [2.6K]4 years ago
3 0

Answer:

6a + 24

Step-by-step explanation:

-12a + 24 + 18a = 6a + 24

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→ Can someone help me pls ←
Daniel [21]
Where’s the question bro?
6 0
3 years ago
Does there exist a pair of consecutive even integers whose reciprocals sum to 3/4? Explain how you know.
slamgirl [31]

Answer:

2, 4

Step-by-step explanation:

Let there are two unknown consecutive pairs of even integers 2n and 2n+2.

If the sum of the reciprocals of those two integers  is 3/4, then we can write,

1/2n +1/(2n+2) =3/4 ...... (1)

Solving this above equation we can check whether the integers exist or not.

Now, from equation (1) we get,

1/n +1/(n+1) =3/2

⇒2(2n+1)=3n(n+1)

⇒4n +2 =3n²+3n

⇒3n²-n-2 =0

⇒ (n-1)(3n+2) =0

⇒ (n-1) =0 {Since if (3n+2) =0 then, n will be a negative fraction, which is not possible}

⇒ n=1

∴ 2n =2 and 2n+2 =4

Hence, the two integers are 2, 4. (Answer)

4 0
4 years ago
1. The sum of x and -45 is at most 35
Lorico [155]

Answer:

The given set of equation are:   x+ (-45) ≤  35  ,  x - (-45) ≥  35

For the given equality to be true, x  ≤ 35

Step-by-step explanation:

Here, given the first number = x

Second number  = -45

Now, Sum of x  and - 45 is at most 35.

⇒ x+ (-45) ≤  35

Also,  The difference of x and -45 is at least 35.

⇒ x - (-45) ≥  35

Now, simplifying the given set of equations:

x  - 45  ≤  35  ⇒    -x - (-45) >   - 35   ( as 3  <  4  ⇒ -3  > -4)

or, -x  + 45  >  - 35

and second equation is x  + 45 ≥  35

Now, solving both the equations by not taking sign of inequality in to the consideration, we get

x - 45  = 35

x + 45 = 35  

Adding both equations,we get:   ⇒ 2x = 70

                                                          or x = 35

Hence for the given equality to be true, x  ≤ 35

5 0
3 years ago
The table represents a linear function.<br> What is the slope of the function?
TEA [102]

Answer:

-4

Step-by-step explanation:

The function is linear; therefore, the slope of the line joining any two points is the same.

We take any two points from the table and compute the slope or  rise/ run between them— let is take points (-4, -2) and (-2, -10).

The slope m of the line joining the points is

m=\dfrac{\Delta y }{\Delta x } =\dfrac{-2-(-10)}{-4-(-2)} \\\\\boxed{m=-4}

The slope of the function is -4.

3 0
3 years ago
7/100 - 6/100= 1/100 right?
AleksandrR [38]

Answer:

yea it is

grrrrrrrrrrrrrrrrrrr

4 0
3 years ago
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