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3 years ago

8

a tower casts a 450 ft shadow at the same time that a 4 ft child casts a 6 ft shadow. Write and solve a proportion to find the h

eight of a tower

1 answer:

gavmur [86]3 years ago

7 0

Check the picture below.

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Which domain restrictions apply to the rational expression?

dimulka [17.4K]

1) it must be fulfilled that the denominator is different from zero, then for this expression

x^2 -9 ⇒ x^2-3^2 = (x-3)(x+3)⇒ (x-3)(x+3) = 0 ⇒ x = 3 o x = -3 , the dominium is all numbers reals except 3 and -3

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3 years ago

Which ratio is equivalent to 2:6 <br> 1. 6:2<br> b. 3:1<br> c. 1:3<br> d. 1:5

tankabanditka [31]

C 1:3 it you multiply both numbers by 2 you will have 2:6. 1:3 is just simplified

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3 years ago

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What is the slope in the line formed by points (-1,-2) and (3,-3

tia_tia [17]

Slope of the line formed by points (-1,-2) and (3,-3) is $Slope=\frac{-1}{4}$

Step-by-step explanation:

We need to find slope of the line formed by points (-1,-2) and (3,-3)

Finding slope:

The formula used is:

$Slope=\frac{y_2-y_1}{x_2-x_1}$

here, $x_1=-1,y_1=-2,x_2=3,y_2=-3$

Putting values and finding slope:

$Slope=\frac{y_2-y_1}{x_2-x_1}$

$Slope=\frac{-3-(-2)}{3-(-1)}$

$Slope=\frac{-3+2}{3+1}$

$Slope=\frac{-1}{4}$

So, slope of the line formed by points (-1,-2) and (3,-3) is $Slope=\frac{-1}{4}$

Keywords: Equation of line using Slope

Learn more about Equation of line using Slope at:

#learnwithBrainly

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3 years ago

What are the prime and composite numbers<br> 9 15 19 26 33 37 45 47

elena55 [62]

Prime numbers are: 37, 47, 19,

Composite numbers are: 9, 15, 26, 33, 45

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3 years ago

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The cost of a service call to fix a washing machine can be expressed by the linear function y = 45 x + 35, where y represents th

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The y intercept is the price of them coming to the home

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3 years ago

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