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Studentka2010 [4]
3 years ago
6

Which show the factored form of x^2-12x-45

Mathematics
1 answer:
slavikrds [6]3 years ago
6 0

Answer:

x^{2} -12x-45\\=(x-15)(x+3)

Step-by-step explanation:

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How many milliliters of 0.30%. sugar solution must you add to 75 mL of 4% sugar solution to get a 0.50% sugar solution? show you
LekaFEV [45]
<span>We have 75 mL of 4% sugar solution.
We have to add a 30% sugar </span><span>solution to make a 50% </span><span>sugar solution.
75 * .04 + .30x = .50 * (75 +x)
3 + .30x = 37.5 +.50x
I can't get the equation to solve.
Did you type it correctly? For one thing, you have the percentages typed as .30 % and 4%.  Are the decimal places in the correct positions?

Also, no matter how much 30% sugar solution you add, it will NEVER increase to 50%.


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6 0
3 years ago
Mind explaining anyone?
8090 [49]
Do 45/225 and simplify and that’s your answer
7 0
3 years ago
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The exppreson of 10x^2-7
erica [24]

The complete question is :

Question: What is the coefficient in the expression 10x²-7?

The coefficient in the expression 10x^{2} -7 is 10

<h3>What is Coefficient?</h3>

A numerical or constant quantity placed before and multiplying the variable in an algebraic expression.

According to the question,

The expression given is 10x^{2} -7

The variable given is x

We need to find the coefficient in the expression.

In the given expression x is the variable and the number before the x is coefficient which is 10 .

Hence the coefficient in the expression is 10.

Learn more about coefficient here:

brainly.com/question/22241464

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the track at Morgans School is 1/4 mile long. he runs 8 laps around the track how far did Morgan run?
jarptica [38.1K]
8 * 1/4 = 8/4 = 2 miles <==
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