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VashaNatasha [74]
2 years ago
12

Adante begins to evaluate the expression 3 1/3 x 5 1/4

Mathematics
2 answers:
ira [324]2 years ago
7 0
<h2>Answer:</h2>

The next step for the evaluation of the given expression is:

         (3)(5)+(\dfrac{1}{3})(5)+(3)(\dfrac{1}{4})+(\dfrac{1}{3})(\dfrac{1}{4})

<h2>Step-by-step explanation:</h2>

We are given an arithmetic expression as follows:

      (3+\dfrac{1}{3})(5)+(3+\dfracx{1}{3})(\dfrac{1}{4})

Now, in order to solve the given arithmetic expression we need to use the distributive property.

i.e.

(a+b)c=a\cdot c+b\cdot c

Now, the expression in the next step is written as follows:

(3+\dfrac{1}{3})(5)+(3+\dfracx{1}{3})(\dfrac{1}{4})=(3)(5)+(\dfrac{1}{3})(5)+(3)(\dfrac{1}{4})+(\dfrac{1}{3})(\dfrac{1}{4})

vfiekz [6]2 years ago
3 0
A is your next step. Distribution.
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A person walks away from a pulley pulling a rope slung over it. The rope is being held at a height 10 feet below the pulley. Sup
7nadin3 [17]

The image of this question is missing and so i have attached it.

Answer:

dd/dt = 4.47 ft/s

Step-by-step explanation:

From the image attached, let's denote the following;

d = horizontal distance beneath pulley

h = height of pulley

l = diagonal from the pulley to the head of the person

v = velocity of rope rising

Using pythagoras theorem;

l² = d² + h²

Differentiating with respect to time and considering h = c^(te) gives;

2l(dl/dt) = 2d(dd/dt)

We are given;

d = 20 ft

h = 10 ft

v = 4 ft/s

We know that velocity in this case is change in diagonal distance with time. Thus;

v = dl/dt = 4 ft/s

From earlier, we saw that;

2l(dl/dt) = 2d(dd/dt)

Thus, reducing it gives

(dl/dt)(l/d) = dd/dt

Now, l² = d² + h²

l = √(d² + h²)

Also, v = dl/dt = 4

Thus;

4(√(d² + h²))/d = dd/dt

4(√(20² + 10²))/20 = dd/dt

dd/dt = 4.47 ft/s

3 0
2 years ago
Which expressions are equivalent to 5^2/5^8?
ICE Princess25 [194]

Answer:

1/15625 I am pretty sure it is right but please double check.

Step-by-step explanation:

5^2=25

5^8=390625

7 0
3 years ago
Select the proper order from least to greatest for 2⁄3 , 7⁄6 , 1⁄8 , 9⁄10 . A. 2⁄3 , 9⁄10 , 7⁄6 , 1⁄8 . B. 1⁄8 , 9⁄10 , 7⁄6 , 2⁄
Contact [7]
Know this?  Add apples to apples and oranges to oranges.
This problem becomes much easier if the fractions are converted to decimal fractions for comparison purposes:

<span>2⁄3 , 7⁄6 , 1⁄8 , 9⁄10
are approx equal to 0.67, 1.17, 0.125, 0.90

So, rearranging these numbers in increasing order, we get 

0.125, 0.67, 0.90, 1.17.

We could go back to the originals:   1/8, 2/3, 9/10, 7/6.</span>
5 0
3 years ago
Read 2 more answers
Rachel's chocolate bar is 43% cocoa. If the weight of the chocolate bar is 68 grams, how many grams of cocoa does it contain? Ro
Yanka [14]

Answer:

29.24 grams

Step-by-step explanation:

It is given that,

Rachel's chocolate bar is 43% cocoa

The weight of the chocolate bar is 68 grams

We need to find how many grams of cocoa does it contain. It means it will contain 43% of 68 grams. It can be solved as follows :

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7 0
3 years ago
Which undefined terms are needed to define parallel lines
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5 0
2 years ago
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