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Zigmanuir [339]
3 years ago
13

Evaluate 64 1\2 * 10(-2) as a fraction

Mathematics
1 answer:
melamori03 [73]3 years ago
8 0

Answer:

1/25

Step-by-step explanation:

64^=8

8*1/2=8/2

10^-2=1/100

8/2*1/100

1/25

This is picture for more preference.

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If the volume of a cube is 343 units, what is the length of the cube (referring to cube roots)
s2008m [1.1K]
Cube root of 343 
=7 

happy days
8 0
3 years ago
a student found the slope of a line that passes through the points (1,14) and (3,4) to be 5. what mistake did she make?
mariarad [96]
x_{1}=1
x_{2}= 3
y_{1} =14
y_{2}=4
Slope= \frac{rise}{run} = \frac{ y_{2} - y_{1} }{ x_{2} - x_{1} } = \frac{4-14}{3-1} = \frac{-10}{2} =-5


answer: The student flipped the y values
3 0
3 years ago
A ripe pear falls from a tree and lands on the ground. As it hit the ground, the pear had a speed of 34 feet per second. Approxi
borishaifa [10]
The potential energy is converted into kinetic energy.
 Therefore, for conservation of energy we have:
 mgh = (1/2) m * v ^ 2
 From here we clear the speed:
 v = root (2 * g * h)
 The height will then be:
 h = v ^ 2 / (2 * g)
 Substituting the values:
 h = (34) ^ 2 / (2 * (32))
 h = 18.0625 feet
 Answer: The pear before it fell was 18.0625 feet up in the tree.
4 0
3 years ago
Read 2 more answers
Factor completely 3X^2 -25​
Dominik [7]

In order to factor a polynomial, you have to find its roots

x_1,\ x_2,\ldots,x_n

So that you can factor it as

p(x)=(x-x_1)(x-x_2)\cdots(x-x_n)

So, in this case, we're looking for the solutions of

3x^2-25=0 \iff 3x^2=25 \iff x^2 = \dfrac{25}{3} \iff x=\pm\sqrt{\dfrac{25}{3}}=\pm\dfrac{5}{\sqrt{3}}

So, the polynomial can be written as

3x^2-25 = \left(x-\dfrac{5}{\sqrt{3}}\right)\left(x+\dfrac{5}{\sqrt{3}}\right)

5 0
3 years ago
Someone help me out with this question
galina1969 [7]

Answer: 7

Step-by-step explanation:

Mean = \frac{Sum of terms}{Number of terms}

          = \frac{7+6+6+7+6+9+7+8}{8}

          = \frac{56}{8}

          = 7

Hope it helps and please mark as brainiest!

3 0
3 years ago
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