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vodka [1.7K]
2 years ago
9

If the answer to a problem is 2.34 hours, how many hours and minutes does

Mathematics
1 answer:
SVETLANKA909090 [29]2 years ago
8 0

Answer:

2 hours and 20.4 minutes

Step-by-step explanation:

2.34 * 60 (minutes) = 140.4 minutes or 2 hours and 20.4 minutes

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Find the distance between the two points.(-7,4/19) and (7,4/9)
Dafna1 [17]

Answer:

<h2>d=(14,0)</h2>

Step-by-step explanation:

<h2>√(7-(-7))^+(4/19-4/19)^</h2><h2>√(7+7)^+(0)^</h2><h2>√(14)^+0</h2><h2>= 14</h2>
7 0
3 years ago
What kind of association is this, negative or positive?​
erik [133]

Answer:

negative association

Step-by-step explanation:

This diagram is a scatter plot which represents a set of data.  Data on a scatter plot can fit one of three descriptions:  positive (increasing), negative (decreasing) or no association (points do not form any kind of line).  Given this data and the line of best fit, or the line that pass through the majority of the points, it is a decreasing line.  Since the line goes downhill, it is a negative association.  

7 0
4 years ago
A triangle has an area of 30 cm2. The base and height are scaled by a factor of 3. What is the are of the resulting triangle.
Lera25 [3.4K]
The base and height scaled to some factor, simply means,
they're blown up by that much, or multiplied by that much,

in this case is 3, so.. the area would be 1/2 bh, now,
with 3b and 3h, what would it be?

\bf \begin{cases}&#10;A=\cfrac{1}{2}bh&#10;\\\\&#10;\textit{now, scaling "b" and "h" by 3}&#10;\\\\&#10;A=\cfrac{1}{2}\cdot 3b\cdot 3h\to \cfrac{1}{2}\cdot 9bh&#10;\\\\&#10;A=\cfrac{9}{2}bh\to 9\left(\cfrac{1}{2}bh  \right)\\&#10;--------------\\&#10;9\left(\cfrac{1}{2}bh  \right)\textit{ is really 9 times }\cfrac{1}{2}bh&#10;\\\\&#10;\textit{whatever the value of }\cfrac{1}{2}bh \textit{may be}&#10;\end{cases}

-------------------------------------------------------------------------

\bf A=\cfrac{1}{2}bh\qquad &#10;\begin{cases}&#10;b=2\\&#10;h=3&#10;\end{cases}\implies A=\cfrac{1}{2}\cdot 2\cdot 3\to 3&#10;\\\\\\&#10;\textit{now, let us scale "b" and "h" by 3}&#10;\\\\&#10;A=\cfrac{1}{2}\cdot  3b\cdot  3h\qquad &#10;\begin{cases}&#10;b=2\\&#10;h=3&#10;\end{cases}\implies A=\cfrac{1}{2}\cdot (3\cdot 2)\cdot (3\cdot 3)&#10;\\\\\\&#10;A=\cfrac{1}{2}\cdot 6\cdot 9\to 3\cdot 9\to 27
3 0
4 years ago
Simplify the expression – (7x-6).
german

Answer:

-7x+6

Step-by-step explanation:

Use the distributive property.

Add the negative in front of each number in the parenthesis.

- (7x) -(-6)

Since 6 is negative, a negative multiplied by a negative is equal to a positive. Change the negative in front of the 6 into a positive.

-7x + 6

8 0
3 years ago
Read 2 more answers
Suppose that x and y are positive integers such that x^2 * y^3=46656. What is the sum of all possible values of x?
Nostrana [21]

Answer:

252

Step-by-step explanation:

  • x² * y³=46656

<u>Prime factors of 46656:</u>

  • 46656 = 2⁶3⁶

<u>Possible values of x:</u>

  • (2*3)³= 216
  • 3³ = 27
  • 2³ = 8
  • 1

<u>Sum of them:</u>

  • 216 + 27 + 8 + 1 = 252
3 0
3 years ago
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