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2 years ago

13

A carpenter bought a piece of wood that was 4.9 centimeters long. Then he sawed 4.1 centimeters off the end. How long is the pie

ce of wood now?

1 answer:

Ksenya-84 [330]2 years ago

8 0

Answer:

.8cm

Step-by-step explanation:

4.9-4.1=.8cm

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A 6-pound watermelon costs $2.40 before a 30% discount. Which equation will allow you to find the discounted price of the waterm

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Answer:

$1.68

Step-by-step explanation:

2.40 x .70 =1.68

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2 years ago

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((-7,1). (-3,2). (0, -2). (5, -5)}What are the domain and range of the function represented by the set of ordered pairs?

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Answer:

Domain:{-7,-3,0,5}

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Step-by-step explanation:

i know because it works for me.

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1 year ago

Complete the equation of the line through (-9,7) & (-6,-3)

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Answer:

$y=-\frac{10}{3}x-23$

Step-by-step explanation:

we have the points

(-9,7) and (-6,-3)

step 1

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

substitute the values

$m=\frac{-3-7}{-6+9}$

$m=-\frac{10}{3}$

step 2

Find the equation in point slope form

$y-y1=m(x-x1)$

we have

$m=-\frac{10}{3}$

$(x1,y1)=(-6,-3)$

substitute

$y+3=-\frac{10}{3}(x+6)$ ---> equation in point slope form

step 3

Find the equation of the line in slope intercept form

$y=mx+b$

we have

$y+3=-\frac{10}{3}(x+6)$

Isolate the variable y

Distribute right side

$y+3=-\frac{10}{3}x-20$

subtract 3 both sides

$y=-\frac{10}{3}x-20-3$

$y=-\frac{10}{3}x-23$

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2 years ago

I literally have no clue what this unit is about so help

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The answer is D
if the legs are 5 and 4 cm the equation to find the hypotenuse would be 5^2+4^2=c^c
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2 years ago

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What is the following product 3/x^2 4/x^3??

Alborosie

9514 1404 393

Answer:

12/x^5

Step-by-step explanation:

The fractions are multiplied in the usual way. The applicable rule of exponents is ...

(x^a)(x^b) = x^(a+b)

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$\dfrac{3}{x^2}\cdot\dfrac{4}{x^3}=\dfrac{3\cdot4}{x^2\cdot x^3}=\dfrac{12}{x^{2+3}}=\boxed{\dfrac{12}{x^5}}$

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2 years ago