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3 years ago

What's 24.67 to one significant figure?

Mathematics

1 answer:

Ghella [55]3 years ago

4 0

24.67 is just barely before 25.00, so we should be able to round 20.00, which gives us only one significant digit.

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Choose the system of equations that matches the following graph:

egoroff_w [7]

B but I am not 100% sure

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3 years ago

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A dolphin dives down into the ocean and resurfaces along a path that is modeled by x2 – 8x + 4y = 0, where the distances are in

larisa86 [58]

the dolphin is 8 ft from its starting point (option A)

Explanation:

The path model:

$x^2\text{ - 8x + 4y = 0}$

Considering the water's surface as the starting point, the value of y = 0

And x = distance from its starting point

We substitute for y in the model:

$\begin{gathered} x^2\text{ - 8x + 4(0) = 0} \\ x^2\text{ - 8x = 0} \end{gathered}$

Then we find the values of x:

$\begin{gathered} x^2\text{ - 8x = 0} \\ x(x\text{ - 8) = 0} \\ x\text{ = 0 or x- 8 = 0} \\ \\ x\text{ - 8 = 0} \\ x\text{ = 8} \end{gathered}$

From our result, the dolphin is 8 ft from its starting point (option A)

6 0

2 years ago

I need help on this please

ra1l [238]

Answer:

197

Step-by-step explanation:

because your using divisionon the B then you have to multiple by it number to get it

7 0

4 years ago

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Can someone please help me with this question?!

RideAnS [48]

It is c the answer of it

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3 years ago

(2x+3)(4x-1)<8x^(2)+1

Sidana [21]

Answer: $x$

Step-by-step explanation:

$(2x+3)(4x-1)$

Begin by multiplying parentheses.

$(2x*4x)+(2x*-1)+(3*4x)+(3*-1)$

$(8x^2)+(-2x)+(12x)+(-3)$

$8x^2-2x+12x-3$

Subtract $8x^2$

$8x^2-2x+12x-3+(-8x^2)$

$-2x+12x-3$

Add 3

$-2x+12x-3+3$

$-2x+12x$

Combine like terms;

$10x$

Divide by 10

$x$

Simplify;

$x$

8 0

3 years ago