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3 years ago

Which expression(s) have a value that is greater than 6?

Mathematics

1 answer:

inessss [21]3 years ago

4 0

Answer:

A B F

Step-by-step explanation:

juussssstttttt trrrruuuassttt meeee

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-6 + x over 4=-5 what is the value of x

My name is Ann [436]

Answer:x=26

Step-by-step explanation:

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3 years ago

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What is the area of this tile

dsp73

Is there any options?

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3 years ago

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What kind of shift does the graph have? y = -sin (x-1) from y = sin(x)

Mademuasel [1]

$\bf \qquad \qquad \qquad \qquad \textit{function transformations}
\\ \quad \\
% function transformations for trigonometric functions
\begin{array}{rllll}
% left side templates
f(x)=&{{ A}}sin({{ B}}x+{{ C}})+{{ D}}
\\\\
f(x)=&{{ A}}cos({{ B}}x+{{ C}})+{{ D}}\\\\
f(x)=&{{ A}}tan({{ B}}x+{{ C}})+{{ D}}
\end{array}
\\\\
-------------------\\\\$

$\bf \bullet \textit{ stretches or shrinks}\\
\quad \textit{horizontally by amplitude } |{{ A}}|\\\\
\bullet \textit{ flips it upside-down if }{{ A}}\textit{ is negative}\\\\
\bullet \textit{ horizontal shift by }\frac{{{ C}}}{{{ B}}}\\
\left. \qquad \right. if\ \frac{{{ C}}}{{{ B}}}\textit{ is negative, to the right}\\\\
\left. \qquad \right. if\ \frac{{{ C}}}{{{ B}}}\textit{ is positive, to the left}\\\\$

$\bf \bullet \textit{vertical shift by }{{ D}}\\
\left. \qquad \right. if\ {{ D}}\textit{ is negative, downwards}\\\\
\left. \qquad \right. if\ {{ D}}\textit{ is positive, upwards}\\\\
\bullet \textit{function period or frequency}\\
\left. \qquad \right. \frac{2\pi }{{{ B}}}\ for\ cos(\theta),\ sin(\theta),\ sec(\theta),\ csc(\theta)\\\\
\left. \qquad \right. \frac{\pi }{{{ B}}}\ for\ tan(\theta),\ cot(\theta)$

now, with that template in mind, let's see

$\bf \begin{array}{lllll}
y=&-1sin(&1x&-1)&+0\\
&A&B&C&D
\end{array}
\\\\\\
\textit{horizontal shift of }\cfrac{C}{B}\implies \cfrac{-1}{1}\implies -1
\\\\\\
\textit{A is negative, so is flipped upside-down}$

8 0

3 years ago

(a) Are these triangles similar and if so why? (what similarity postulate can you use to prove this)

Paha777 [63]

Answer:

Part a) The triangles KJL and NMP are similar by AAA similarity postulate

Part b) The value of x is $7\ units$

Step-by-step explanation:

Part a)

we know that

The AAA similarity postulate states that If in two triangles the corresponding angles are equal, then the triangles are similar

In this problem

m<JKL=m<MNP

m<KJL=m<NMP

The third angle must be equal (remember that the sum of the interior angles of triangle must be equal to 180 degrees)

m<JLK=m<MPN

therefore

The triangles KJL and NMP are similar by AAA similarity postulate

Part b) What is the value of x?

we know that

if two figures are similar, then the ratio of its corresponding sides are equal

$\frac{4x-4}{20}=\frac{30}{25}\\ \\(4x-4)*25=20*30\\ \\100x-100=600\\\\ 100x=700\\ \\x=7\ units$

3 0

3 years ago

Plz help me omg it’s ixl and I don’t get it at all

olga2289 [7]

Its okay, the first half is completely irrelevant. All that matters is x and y. y = 16, because y is how much space the books take up. x = 8, since x is the number of books. All you have to find is the proportions. It is most likely talking about the proportions of the books, so you would need to find the length if each book. You know they will all be the same because it was previously mentioned each book is the same size. So the equation is:
$\frac{y}{x} = 2$
Since 16/8 is 2, you would get 2in/book.

Hope that helps!

5 0

3 years ago