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3 years ago

What is the least positive integer

Mathematics

1 answer:

OlgaM077 [116]3 years ago

7 0

What is the least positive integer of what?

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Can someone please help me with B?

Sholpan [36]

15 bread rolls are made for each additional table

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4 years ago

Which of the following quadratic equations has the solution set (1/2,5)? Select all that apply

Anton [14]

To find the solution set of a factored quadratic equation, you should set each one of the factors equal to zero and solve for $x$ .

Lets take our first quadratic equation (x+1/2)(x-5)=0 and apply this. First we are our factors equal to zero $x+ \frac{1}{2} =0$ and $x-5=0$ ; next we are going to sole for $x$ in each factor to find the solution set:
$x=- \frac{1}{2}$ and $x=5$ , so the solution set for the quadratic equation (x+1/2)(x-5)=0 is $(- \frac{1}{2},5)$

Lets do the same for our next one (x-5)(2x-1)=0
 $x-5=0$
$x=5$
and
$2x-1=0$
$2x=1$
$x= \frac{1}{2}$
So, the solution set for the quadratic equation (x-5)(2x-1)=0 is $(5, \frac{1}{2})$

Next one (x+5)(2x-1)=0
 $x+5=0$
$x=-5$
and
 $2x-1=0$
$2x=1$
$x= \frac{1}{2}$
So, the solution set for the quadratic equation (x+5)(2x-1)=0 is $(-5, \frac{1}{2} )$

Next one (-2x+1)(-x+5)=0
 $-2x+1=0$
$-2x=-1$
$x= \frac{-1}{-2}$
$x= \frac{1}{2}$
and
 $-x+5=0$
$-x=-5$
$x=5$
So, the solution set for the quadratic equation (-2x+1)(-x+5)=0 is $( \frac{1}{2} ,5)$ : therefore, we are going the select this one.

Next one (x+1/2)(x+5)=0
 $x+ \frac{1}{2} =0$
$x=- \frac{1}{2}$
and
 $x+5=0$
$x=-5$
So, the solution set for the quadratic equation (x+1/2)(x+5)=0 is $(- \frac{1}{2} ,-5)$

Finally, our last one (-2x+1)(x-5)=0
 $-2x+1=0$
$-2x=-1$
$x= \frac{-1}{-2}$
$x= \frac{1}{2}$
and
 $x-5=0$
$x=5$
So, the solution set for the quadratic equation (-2x+1)(x-5)=0 is $( \frac{1}{2} ,5)$ ; this is also a correct answer, make sure to select this one too.

We can conclude that both (-2x+1)(-x+5)=0 and (-2x+1)(x-5)=0 quadratic equation have $( \frac{1}{2} ,5)$ as solution set.

6 0

3 years ago

The last time Tia bought pet food, she purchased 25 pounds. This time she needed 38 pounds. What is the percent increase in the

Igoryamba

So what you're going to do is subtract 38-25
38-25 is 13
Now we need to divide 13/25 because 25 was the original number.
13/25 is 0.52
Now we need to multiply that by 100%
Then you get 52%
52% is the increase

7 0

4 years ago

Write 7x10x10x10x10 with an exponent

polet [3.4K]

Answer:

7x10^4

Step-by-step explanation:

Please add the thanks and rate me please

6 0

4 years ago

Read 2 more answers

For each of the following coordinate

Neko [114]

4, 3, 1, 2 are the answers

8 0

3 years ago