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3 years ago

The table shows the width and length of different pictures that Coby has enlarged for the school yearbook:

Mathematics

2 answers:

sveta [45]3 years ago

8 0

The answer is 42 inches

Minchanka [31]3 years ago

5 0

Here, ratio of length to width is:
7/3 = 14/6 = 21/9 = 2.33
So, if width is 18 inches, length would be: 2.33 * 18 = 42

In short, Your Answer would be 42 inches

Hope this helps!

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Factor the expression. 81y+54

seraphim [82]

Answer:

27 • (3y + 2)

Step-by-step explanation:

27 • (3y + 2)

Hope this helps

4 0

3 years ago

The ratio of the sides of 2 cubes is 2 to 7. If the volume of the smaller cube is 32 u3, then the volume of the larger cube is _

satela [25.4K]

$\bf \qquad \qquad \textit{ratio relations}
\\\\
\begin{array}{ccccllll}
&Sides&Area&Volume\\
&-----&-----&-----\\
\cfrac{\textit{similar shape}}{\textit{similar shape}}&\cfrac{s}{s}&\cfrac{s^2}{s^2}&\cfrac{s^3}{s^3}
\end{array} \\\\
-----------------------------\\\\
\cfrac{\textit{similar shape}}{\textit{similar shape}}\qquad \cfrac{s}{s}=\cfrac{\sqrt{s^2}}{\sqrt{s^2}}=\cfrac{\sqrt[3]{s^3}}{\sqrt[3]{s^3}}\\\\
-------------------------------\\\\$

$\bf \cfrac{small}{large}\qquad \cfrac{s}{s}=\cfrac{\sqrt[3]{s^3}}{\sqrt[3]{s^3}}\implies \cfrac{2}{7}=\cfrac{\sqrt[3]{32}}{\sqrt[3]{v}}\implies \cfrac{2}{7}=\sqrt[3]{\cfrac{32}{v}}\implies \left( \cfrac{2}{7} \right)^3=\cfrac{32}{v}
\\\\\\
\cfrac{2^3}{7^3}=\cfrac{32}{v}\implies v=\cfrac{7^3\cdot 32}{2^3}$

5 0

2 years ago

Factor trinomial x^2n+10x^n+16

iragen [17]

Answer:

$\large\boxed{x^{2n}+10x^n+16=(x^n+2)(x^n+8)}$

Step-by-step explanation:

$\text{Use}\ (a^n)^m=a^{nm}.\\\\x^{2n}+10x^n+16=(x^n)^2+10x^n+16=x^n\cdot x^n+2x^n+8x^n+16\\\\=x^n(x^n+2)+8(x^n+2)=(x^n+2)(x^n+8)$

8 0

2 years ago

Which postulate proves the two triangles are congruent?

sammy [17]

Answer:

AAS

Step-by-step explanation:

because here it is given that two angle are

equal

and a side is common between both traingle

so, both traingle are congruent by

AAS

hope it helps

5 0

2 years ago

Subtract 8.3 – 2.57 =

likoan [24]

Answer:

5.73

Best of luck

Step-by-step explanation:

4 0

2 years ago