4 years ago

What is the cube root of 0.000512 Solve with steps

1 answer:

8 0

We can write it as 512 x 10^(-6)

Now cube root of 512 is 8 and that of 10^(-6) is 10^(-2).

Final answer will be 8/100 or 0.08

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Peanuts sell for $3 per pound. Cashews sell for $6 per pound. How many pounds of cashews should be mixed with 12 pounds of peanu

Phantasy [73]

Answer:

Step-by-step explanation:

12*3+6x=4.20(12+x)

36+6x=50.4+4.2x

6x-4.2x=50.4-36

1.8x=14.4

x=14.4/1.8

x=8 pounds of cashews is used.

Proof:

12*3+6*8=4.2(12+8)

36+48=4.2*20

84=84

(not mine)

from algebra.com

6 0

3 years ago

Identify the vertex of y = x^2 + 4x + 5

docker41 [41]

Answer:

D. (-2,1)

Step-by-step explanation:

we have

$y=x^2+4x+5$

This is the equation of a vertical parabola open upward The vertex represent a maximum

Convert the quadratic equation in vertex form

$y=a(x-h)^2+k$

where

(h,k) is the vertex

Complete the square

$y=(x^2+4x+2^2)+5-2^2$

$y=(x^2+4x+4)+5-4$

$y=(x^2+4x+4)+1$

Rewrite as perfect squares

$y=(x+2)^2+1$

The vertex is the point (-2,1)

3 0

4 years ago

PLz help me!

kipiarov [429]

Slope = (10 - 5) / (2 + 3) = 1

Therefore, y = x + b

At point (2, 10)

10 = 2 + b
b = 8

Therefore : y = x + 8

Answer: y = x + 8 (Answer A)

5 0

3 years ago

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Carson is going to see a movie and is taking his 2 kids. Each movie ticket costs

Kisachek [45]

49 dollars

Step-by-step explanation:

14 times 3 is 42 and 3.50 times 2 is 7, so 42 plus 7 is 49.

6 0

3 years ago

Find the slope of a parallel line to each given line y=-1/3x-4

Mumz [18]

Slope of parallel line to this would be -1/3x

4 0

3 years ago

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