How are negative exponents and positive exponents related

Answers

Answer 1

Answer: they are both exponents

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A parabola intersects the x-axis at x=3, equals, 3 and x=9.

Answers

Answer: x is 6

Step-by-step explanation:

where a and b are x intercepts given to us.

So rewriting in factored form:

y = ( $x-3$ )( $x-9$ )

so now you have to simplify it using the formula $y=$ $ax^(2)$ $+$ $bx-c$

y= $x^(2)$ - $12x$ + $27$

so with this formula $x=(-b)/(2a)$ we can find the x coordinate

$x=(-(-12))/(2(1))$

and the answer would be 6

Find y when x=15 if y=6 when x=30

Answers

y=kx
6=k (30)
6/30=k(30)/30
.2=k
y=.2(15)
y=3
So y is 3.

Y = 12 because you multiply x by two to get x2, which is 30, and multiply y by two to get 12 - this is wrong, the answer is three, i did the math backwards

1/3 squared times 1/5

Answers

the answer is 0.02222222222

the answer is 1/45
1/3² x 1/5

1/3² = 1/3 x 1/3 = 1/9

1/9 x 1/5 = 1/45

Can someone help me with these questions

Answers

Answer:

1. 1/40

2.9/50

3.1/5 =0.2= 20%

i dont know the rest sorry , but is that a dog behind it the paper ?

Find three consecutive odd integers such that the sun of the largest and twice the smallest is 25

Answers

Let's call the our odd numbers $a$ , $b$ , and $c$ , in ascending order. It can be said then that $b = a +2$ (It is the next odd number after $a$ ) and $c = a + 4$ (It is the second consecutive number after $a$ ).

Additionally, we can say:

$c + 2a = 25$

Now, how about we substiute in the value for $c$ we found in the first paragraph for $c$ in the preceeding equation? This gives us:

$(a + 4) + 2a = 25$

Substitute

$3a + 4 = 25$

Add like terms

$3a = 21$

Subtract 4 from both sides

$a = 7$

Divide both sides by 3

We have found that the smallest number is 7. Substituting this into the equations we found in the first paragraph, we find:

$b = 7 +2 = 9$

$c = 7 + 4 = 11$

The numbers are 7, 9, and 11.

Answer:

The three correct numbers are 7, 9, and 11.

Step-by-step explanation:

I don't get adding integers with different signs!!
5+(-2)=?

Answers

think of it as subtracting your adding a negative number to a positive, if the positive number is larger when adding, then your answer should end up positive if the negative number is larger your answer should be negative, in this case you could think of this problem as 5-2 instead of adding the 5 to the negative 2. so in this case your answer would be 3. if you don't get it try using a number line, those are very helpful when starting off!

Well,

5 + (-2)

"Five plus the quantity negative two."

Adding a negative quantity is the same as subtracting the positive quantity.

For example: 0 + (-1) = 0 - 1 = -1

Another situation: 0 - (+1)

You have to realize that any number (say 5, for example) without a sign in front of it is automatically positive.

Technically, if we "show signs," we will get +0 - (+1)

We can really just omit ("hide signs") the positive signs.
0 - 1 = -1

Yet another situation: 0 - (-1)

Subtracting a negative can be re-worded as "subtracting from the negative." It sounds like it is taking away from the negative, bringing the integer closer to zero. Subtracting a negative is the same as adding a positive.
0 - (-1) = 0 + (+1) or 0 + 1 = 1

In your case: 5 + (-2):
5 + (-2) = 5 - 2 or 3 or +3

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The sum of five consecutive whole numbers is 40. what are the five numbers?

N/2+4=-4. I need help I cannot figure this out and I left.my math binder at my school. :/ plz halp :3