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4 years ago

14.4% of what number is 10.4

1 answer:

8 0

First, convert "of" to x and put this info into an equation:

Let n represent the unknown number.

14.4 % x n= 10.4
n = 10.4 / 14.4%
n = 72.22222
n = ~72

Hope this helps!

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I need help.................

Yanka [14]

Answer:

-33 and -21

Step-by-step explanation:

-36, -33, -30, -27, -24, -21, -18

-36

-36 + 3 = -33

-33 + 3 = -30

-30 + 3 = -27

-27 + 3 = -24

-24 + 3 = -21

-21 + 3 = -18

8 0

3 years ago

Which equation is y = 9x2 + 9x – 1 rewritten in vertex form?

Anastasy [175]

Answer:

$y = 9(x +\frac{1}{2}) ^ 2 -\frac{13}{4}$

Step-by-step explanation:

An equation in the vertex form is written as

$y = a (x-h) + k$

Where the point (h, k) is the vertex of the equation.

For an equation in the form $ax ^ 2 + bx + c$ the x coordinate of the vertex is defined as

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

In this case we have the equation $y = 9x^2 + 9x - 1$ .

Where

$a = 9\\\\b = 9\\\\c = -1$

Then the x coordinate of the vertex is:

$x = -\frac{9}{2(9)}\\\\x = -\frac{9}{18}\\\\x = -\frac{1}{2}$

The y coordinate of the vertex is replacing the value of $x = -\frac{1}{2}$ in the function

$y = 9 (-0.5) ^ 2 + 9 (-0.5) -1\\\\y = -\frac{13}{4}$

Then the vertex is:

$(-\frac{1}{2}, -\frac{13}{4})$

Therefore The encuacion excrita in the form of vertice is:

$y = a(x +\frac{1}{2}) ^ 2 -\frac{13}{4}$

To find the coefficient a we substitute a point that belongs to the function $y = 9x^2 + 9x - 1$

The point (0, -1) belongs to the function. Thus.

$-1 = a(0 + \frac{1}{2}) ^ 2 -\frac{13}{4}$

$-1 = a(\frac{1}{4}) -\frac{13}{4}\\\\a = \frac{-1 +\frac{13}{4}}{\frac{1}{4}}\\\\a = 9$

Then the written function in the form of vertice is

$y = 9(x +\frac{1}{2}) ^ 2 -\frac{13}{4}$

7 0

3 years ago

Please Answer Question

g100num [7]

Answer:

check what are 8 yards in square feet

Step-by-step explanation:

6 0

3 years ago

Bryan is getting trained and licensed to be a truck driver.He only has $350 in his bank account. The training is free but gas co

Alexxandr [17]

The answer is A because .13 times 1254 miles equals 163.02 and if you subtract that from the 350 dollars in Bryan's bank account you get A 186.98

6 0

3 years ago

Hi! please help! thank you

Leno4ka [110]

Answer:

1) p≥2

2) e-9=13

3) f<5

Step-by-step explanation:

1) If there are at least two slices left, there could be more, so use p≥2, meaning p is greater than or equal to 2.

2) e is your starting amount, so put that first, then it says it decreases by 9, so it is e-9=13.

3) If there are fewer than 5, it can not be 5 so you use <.

f<5 or gallons is less than 5.

7 0

2 years ago