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nignag [31]
3 years ago
13

HEY! GOT A BUTT LOAD OF HW DUE TOMORROW PLS HELP BRAINLIEST ANSWER INCLUDED! Solve. How much pure acid is in 520 milliliters of

a 12% solution?
Mathematics
1 answer:
Rama09 [41]3 years ago
3 0

540ml  with 12% solution

get 12% of 540

540 times 0.12 = 64.8 ml of pure acid

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Use inverse operations to solve equation 15=x/6-1​
beks73 [17]

Answer:

x=90.

Step by step explanation:

To solve the expression 15=\frac{x}{6}-1, and obtaining a value for x we can do the following:

  1. Add 1 both sides of the equation. This will result in 15+1=\frac{x}{6}-1+1⇒16=\frac{x}{6}.
  2. Multiply both sides by 6, which yields 15\times6=\frac{x}{6}\times6. This results in 90=x.

7 0
3 years ago
like terms -5b2 considered like to 5b2 or because of the negative they would be unlike or is it the b2 that makes them like?
Alexandra [31]
-5b2 is still considered to be like 5b2 because they share terms (the variable)
so it is the b that makes them alike the exponent and the negatives dont matter
7 0
3 years ago
Instructions: Given the vertex of a quadratic function, find the axis
allsm [11]

<u><em>The axis of symmetry is x = 5.</em></u>

In first place, every quadratic function can be expressed as follows:

f(x) = a*x² + b*x + c

where a, b and c are real numbers and a ≠ 0. This way of writing the quadratic function is called polynomial.

The graph of a quadratic function is a parabola. Every parabola is a symmetric curve with respect to a horizontal line called the axis of symmetry. That is, the axis of symmetry is an imaginary line that passes through the middle of the parabola and divides it into two halves that are mirror images of each other.

The point of intersection of the axis of symmetry with the parabola is called the vertex, and it divides the parabola into two branches. That is, the axis of symmetry always passes through the vertex of the parabola. The x-coordinate of the vertex is the equation of the axis of symmetry of the parabola.

Then, being the <em>vertex</em> of the quadratic function <em>(5,7)</em>, where the vertex on the x-axis has a value of 5 and on the y-axis a value of 7, <u><em>the axis of symmetry is x = 5.</em></u>

5 0
3 years ago
How many times does 6 go into 719 divison with partial quotient
kondaur [170]

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5 0
2 years ago
Read 2 more answers
The fair market rental rate for Bloomington is $747 and for Kokomo is $654. The relative change from Bloomington to Kokomo is __
irina1246 [14]

Answer:

<em>The relative change from Bloomington to Kokomo is  -12.449...%</em>

Step-by-step explanation:

The fair market rental rate for Bloomington is $747 and for Kokomo is $654.

So, the amount of relative change from Bloomington to Kokomo will be:  (\$654-\$747)=-93 dollar.

<em>Formula for percentage of relative change = (Amount of relative change/ Initial amount)× 100%</em>

So, the percentage will be:  \frac{-93}{747}\times 100\% =-12.449.... \%


5 0
3 years ago
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