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coldgirl [10]
3 years ago
10

Factor to solve X^2-2x-15=0

Mathematics
1 answer:
zzz [600]3 years ago
4 0

Answer:

(x+3)(x-5)

Step-by-step explanation:

find two multiples of -15 that when added together create -2

those two numbers would be -5 and +3

-5x3=-15

-5+3=-2

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Marion is driving between two towns that are close together. If she drives 1⁄5 the trip in 15 minutes, what is her rate per hour
netineya [11]

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4/5 in one hour

Step-by-step explanation:

15 minutes is 1/4 of an hour so all you need to do is multiply one 1/5 by four

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3 years ago
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What is the domain of the function
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The answer is -2,2,3,4
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HELP!
kondor19780726 [428]
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If 0.65 AU equal 1 inch how much would 0.05 AU equal and explain.
mart [117]

Answer:

0.05 AU corresponds to the 0.0769 Inches(<em>This calculation is not possible in real time world)</em>

Step-by-step explanation:

Given:

0.65 corresponds to 1 inch

To Find:

0.05 AU corresponds to how many inches.

Solution:

<em>The AU is astronomical unit which is preferred as the mean distance between  earth and sun.</em>

<em>AU is too big unit and used in space distance calculation.</em>

But here for  mathematical calculation,

0.65 AU corresponds to 1 inch

then 0.05 AU corresponds to  x inch(es)

Now cross multiplying the quantities we get ,

0.65x=0.05*1

x=0.05/0.65

x=0.0769 inches corresponds to 0.05 AU

(Preferred for this example only)

<em>(Remember that this calculation is hypothetical and practically incorrect to use it).</em>

<em />

8 0
3 years ago
How to Answer this i dont know please like it was not in the book im so confused
Marina CMI [18]

The solution to the system of inequalities given is: \frac{4}{3} \leq y \leq 4

<h3>What is the solutions to a system of inequalities?</h3>

The solution is the set of values that respect all conditions of the system.

The first condition is:

3y - 13 \geq -9

3y \geq 4

y \geq \frac{4}{3}

The second condition is:

3y - 13 \leq -1

3y \leq 12

y \leq \frac{12}{3}

y \leq 4

The intersection of the conditions, which is the solution to the inequality, is:

\frac{4}{3} \leq y \leq 4

More can be learned about a system of inequalities at brainly.com/question/3656398

#SPJ1

5 0
2 years ago
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