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3 years ago

A map has a scale of 1/2 inch = 20 miles.

Mathematics

1 answer:

dangina [55]3 years ago

4 0

Answer:

70*20=1400/2= 700. that's all

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The boss gives all his employees a 4% pay rise.

PtichkaEL [24]

Paul's rate before the pay rise = 7.0

The increase = 4/100 * 7.0 = 0.28

Paul's rate after the pay rise = 7.0 + .28 = 7.28

5 0

3 years ago

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How TO Write 10x10x10x10x10x10x10 In Exponent Form

Bad White [126]

10^7 is the correct answer

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3 years ago

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Given f(x) and g(x) = k·f(x), use the graph to determine the value of k

k0ka [10]

Answer:

$k=-5$

Step-by-step explanation:

If we observe the graph carefully there are two on each of the graphs highlighted at x=-2.The functions take the following values at that x.

$f(-2)=2$

$g(-2)=-10$

given the condition

$g(x)=k*f(x)$

put $x=-2$

we get . $-10=k*2$

$k=-5$

4 0

2 years ago

Decide whether the pair of lines is parallel, perpendicular, or neither.

maw [93]

The lines are: B) Perpendicular

Step-by-step explanation:

we have to convert both lines in slope-intercept form to find slopes

So,

$3x - 6y = -13\\-6y = -3x-13\\\frac{-6y}{-6} = \frac{-3x-13}{-6}\\\frac{-6y}{-6} = \frac{-3x}{-6}+\frac{-13}{-6}\\y = \frac{1}{2} +\frac{13}{6}$

Let m1 be the slope of first line

$m_1 = \frac{1}{2}$

For the second line:

$18x + 9y = 5\\9y = -18x+5\\\frac{9y}{9} = \frac{-18x+5}{9}\\\frac{9y}{9} = \frac{-18}{9}x+\frac{5}{9}\\y = -2x+\frac{5}{9}$

Let m2 be the slope of line 2

So,

If the lines are parallel, their slopes are equal

If the lines are perpendicular, product of their slopes is -1

We can see that

$\frac{1}{2} * -2 = -1$

Hence,

The lines are: B) Perpendicular

Keywords: Slopes, Parallel lines

Learn more about slopes of lines at:

#LearnwithBrainly

6 0

3 years ago

The formula for distance is given as distance = speed x time. Use the formula to find:

goldenfox [79]

You just put the numbers in the formula 3x30 = 90 km

3 0

2 years ago