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3 years ago

David uses $4.50 of his $6.00 to buy a sandwich what percent did he use

Mathematics

2 answers:

bagirrra123 [75]3 years ago

7 0

Answer:

75%

Step-by-step explanation:

A simple formula for percentage is

part/whole = percent/100

In this case $4.50 is the part and $6.00 is the whole

So, you would divide 4.50 and 6.00 to get 0.75

Now, 0.75 is not a percentage, but a decimal

Your final step here is to cross multiply (0.75 times 100) to get your answer:

75%

mr Goodwill [35]3 years ago

5 0

4.50/6.00 equals .75 times 100 is 75 percent

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2 years ago

X(x+3) + 34 = (x +5)(x+2)

My name is Ann [436]

X(x + 3) + 34 = (x + 5)(x + 2)

First, expand to remove parentheses.
$x^{2} + 3x + 34 = x^{2} + 2x + 5x + 10$
Second, add '2x + 5x' to get '7x'.
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Third, cancel out ' $x^{2}$ ' on both sides.
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Fourth, subtract '3x' from both sides.
$34 = 7x + 10 - 3x$
Fifth, subtract '7x - 3x' to get '4x'.
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Sixth, subtract '10' from both sides.
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Seventh, subtract '34 - 10' to get '24'.
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Eighth, divide both sides by '4', leaving the 'x' by itself.
$\frac{24}{4} =x$
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Tenth, switch your sides to get the answer.
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3 years ago

If x= 6 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the

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Answer:

discriminant is zero (0)

Step-by-step explanation:

Actually, you have a double root here: {6, 6}: "two real, equal roots." That tells us immediately that the value of the discriminant was zero (0).

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Answer:

Here's how to solve

Step-by-step explanation:

Okay so 13 -5

What can you add to 5 to get 13?

5+5=10

5+6=11

5+7=12

5+8=13

8 would be your answer.

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3 years ago