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kvasek [131]
3 years ago
6

Describe how to use a tens fact to find the difference for 15-8.

Mathematics
1 answer:
lbvjy [14]3 years ago
3 0
I cha use a 10 fact because I can round to the nearest 10 which is 20 for 15 and 10 for 8
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Given the points K(-2;5), L(1,3) and M(-5; 2p). Calculate the value
Advocard [28]

The product of the perpendicular lines is a negative one. Then the value of p will be negative 3.75.

<h3>What is coordinate geometry?</h3>

Coordinate geometry is the study of geometry using the points in space. Using this, it is possible to find the distance between the points, the dividing line is m:n ratio, finding the mid-point of the line, etc.

Given the points K(-2,5), L(1,3) and M(-5, 2p).

If KL is perpendicular to LM. Then we have

The slope of KL will be

KL = (1+2)/(3-5)

KL = -1.5

The slope of LM will be

LM = (1+6)/(3-2p)

LM = 7/(3-2p)

We know the product of the perpendicular lines is a negative one.

        KL x ML = -1

-1.5 x 7/(3-2p) = -1

              -10.5 = -3 + 2p

                 2p = -7.5

                   p = -3.75

More about the coordinate geometry link is given below.

brainly.com/question/1601567

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4 0
2 years ago
Can someone help me out???
iVinArrow [24]

Answer:

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Step-by-step explanation:

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3 years ago
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What is 2 1/3 in simplest form ?
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A mixed number is an addition of its whole and fractional parts.

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In a survey of 600 students, 80% said they liked pop music. How many students liked pop music?
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3 years ago
Explain how to modify the graphs of f(x) and g(x) to graph the solution set to the following system of inequalities. How can the
Norma-Jean [14]

The graphs of f(x) and g(x) are transformed function from the function y = x^2

The set of inequalities do not have a solution

<h3>How to modify the graphs</h3>

From the graph, we have:

f(x) = x^2 -3 and g(x) = -x^2 +2

To derive y < x^2 - 3, we simply change the equality sign in the function f(x) to less than.

To derive y > x^2 + 2, we perform the following transformation on the function g(x)

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<h3>How to identify the solution set</h3>

The inequalities of the graphs become

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