Solve this equation:<br><br><br><br> Six more than nine times a number ( variable) is 456

Wayne has a recipe on a 3 inch by 5 inch index card that he wants to enlarge to 15 inches long. How wide will the enlargement

SVETLANKA909090 [29]

I'm not completely sure which way they would like for you to do it
but anyways

3 to 15 is a times 5
so 5 times 5 is 25
so a possible width can be 25
as in 15 by 25

or

5 to 15 is times 3
so 3 times 3 is 9
so a possible width can be 9
as in 15 by 9

I personally think 25 inches wide would be the better answer

5 0

4 years ago

A hiker walks an average rate of 2 miles per hour. Write a multiplication equation to find how long it will take for the hiker t

kykrilka [37]

Y= X/2

-----
y= 11/2
y= 5.5 hrs

7 0

3 years ago

Identify the vertex, the axis of symmetry, the maximum or minimum value, and the range of the parabola for y=x^2+6x+13

charle [14.2K]

Answer:

Step-by-step explanation:

First we can determine the x value of our vertex via the equation:

$x=\frac{-b}{2a}$

Note that in general a quadratic equation is such that:

$ax^2+bx+c$

In this case a,b and c are the coefficients and so a=1, b=6 and c=13.

Therefore we can determine the x component of the vertex by plugging in the values known and so:

$x=\frac{-b}{2a}=\frac{-6}{2(1)}=\frac{-6}{2}=-3$

Now we can determine the y-component of our vertex by plugging in the x-component to the equation and so:

$f(x)=x^2+6x+13\\\\f(-3)=(-3)^2+6(-3)+13\\\\f(-3)=4$

Therefore our vertex is (-3,4). Now in vertex our x component determines is the axis of symmetry so the equation for axis of symmetry is:

x=-3

Similarly, the y-component of our vertex is the minimum or maximum. In this case it is the minimum you can determine this because a is positive meaning that the parabola will point up, and so the equation for the minimum is:

y=4

The range of the formula is the smallest y-value meaning the minimum y=4 and all real numbers that are more than 4, mathematically:

Range = All real numbers greater than or equal to 4.

4 0

4 years ago

What is the ratio to convert 880 yards to miles

Sholpan [36]

1 yard is 0.000568182 miles.

So 880 yards is .5 miles

5 0

3 years ago

The postage to mail a letter that weighs 0.4 o will cost $_? (type an integer or a decimal)

jenyasd209 [6]

9514 1404 393

Answer:

$0.42

Step-by-step explanation:

Look at the function definition to see which part applies when x = 0.4. It will be the first part, which is defined for 0 < x < 1. That part tells you the postage for 0.4 oz is $0.42.

6 0

3 years ago

Solve this equation: Six more than nine times a number ( variable) is 456