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Lapatulllka [165]
3 years ago
9

28 is 12 less than k. k=?

Mathematics
1 answer:
maw [93]3 years ago
3 0

Answer:

40

Step-by-step explanation:

How many people i helped proves im right

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PLS HURRY UP I REALLY NEED THIS.
DIA [1.3K]

Answer:

Finding the product of two positive numbers and three negative numbers will give us a negative answer because + x - is _ ..positive *negative is negative

8 0
3 years ago
The y-value of y = tan(x) when x = -90° and x = 90° is 0.<br><br> True<br><br> False
Lyrx [107]
We know, Tanx = sinx / cosx
Tan 90 = sin90 / cos 90
Tan 90 = 1/0

As zero is in the denominator, it can't be defined.

In short, Your Answer would be: "False"

Hope this helps!
5 0
4 years ago
If the ratio of the sides of two similar prisms is 3:5 and the volume of the first prism is 54, what is the volume of the second
Yuri [45]
\bf \qquad \qquad \textit{ratio relations}&#10;\\\\&#10;\begin{array}{ccccllll}&#10;&Sides&Area&Volume\\&#10;&-----&-----&-----\\&#10;\cfrac{\textit{similar shape}}{\textit{similar shape}}&\cfrac{s}{s}&\cfrac{s^2}{s^2}&\cfrac{s^3}{s^3}&#10;\end{array} \\\\&#10;-----------------------------\\\\

\bf \cfrac{\textit{similar shape}}{\textit{similar shape}}\qquad \cfrac{s}{s}=\cfrac{\sqrt{s^2}}{\sqrt{s^2}}=\cfrac{\sqrt[3]{s^3}}{\sqrt[3]{s^3}}\\\\&#10;-------------------------------\\\\&#10;\cfrac{smaller}{larger}\qquad \cfrac{s^3}{s^3}=\cfrac{\textit{volume of smaller}}{\textit{volume of larger}}\implies \cfrac{3^3}{5^3}=\cfrac{54}{v}&#10;\\\\\\&#10;v=\cfrac{5^3\cdot 54}{3^3}
3 0
3 years ago
Consider the following function:
Yakvenalex [24]

Answer:

all real numbers except -1 and 1

Next question is the first two boxes “infinity & negative infinity” on edge.

Step-by-step explanation:

8 0
3 years ago
Which line is parallel to the line that passes through the points (1, 7) and (-3, 4)?
Viktor [21]

Answer:

B

Step-by-step explanation:

The slope of the line that passes through the given points is (4-7)/(-3-1) = 3/4.

Since parallel lines have equivalent slopes, the answer is B.

5 0
2 years ago
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