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Romashka-Z-Leto [24]
3 years ago
13

For brainiest:):):):):):):):):):):)

Mathematics
2 answers:
Sergeu [11.5K]3 years ago
7 0

Answer:

37 YD

Step-by-step explanation:

you just make the squares there own thingy then you find the area of both and add

Serjik [45]3 years ago
6 0

Answer:

34 yd for the perimeter. I mean you just add the sides together... So 8+2+3+7+5+9 = 34.

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Why does a logarithmic equation sometimes have an extraneous solution?
jonny [76]

The main reason behind this is using properties of logarithm .

like

when solving

  • log_2(x+2)+log_2(x-3)=3

There you use multiplication property and make addition to multiplication then you get extraneous solution because in plenty of cases they occur

like

  • (-2)²=(2)²

But

  • -2≠2

Same happens in case of logarithm

6 0
2 years ago
Read 2 more answers
Please help I need help ASAP
ch4aika [34]

Answer: 2x

Step-by-step explanation: hope this helps :)

7 0
2 years ago
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URGENT! PLEASE HELP!!
geniusboy [140]

Answer:

A= 5cm

B=13cm

C=15cm

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2 years ago
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Z varies directly as x and y, z = 6 when x=2 and y = 6. Find the value of z when x = 3 and y = 8
Monica [59]

Answer:

12

Step-by-step explanation:

 This is a joint variation problem:

              z varies directly as x and y

Interpreting this;

                z ∝ xy

 Therefore;

               z  = kxy

 z = 6, x = 2, y  = 6

   Now find k,

             6  = 2 x 6 x k

              6  = 12k

               k  = \frac{1}{2}

To find the value of z;

   x  = 3, y  = 8

              z  =  \frac{1}{2}  x 3 x 8  = 12

3 0
3 years ago
Thea has a key on her calculator marked $\textcolor{blue}{\bf\circledast}$. If an integer is displayed, pressing the $\textcolor
worty [1.4K]

Answer:

$9$

Step-by-step explanation:

Given: Thea enters a positive integer into her calculator, then squares it, then presses the $\textcolor{blue}{\bf\circledast}$ key, then squares the result, then presses the $\textcolor{blue}{\bf\circledast}$ key again such that the calculator displays final number as $243$.

To find: number that Thea originally entered

Solution:

The final number is $243$.

As previously the $\textcolor{blue}{\bf\circledast}$ key was pressed,

the number before $243$ must be $324$.

As previously the number was squared, so the number before $324$ must be $18$.

As previously the $\textcolor{blue}{\bf\circledast}$ key was pressed,

the number before $18$ must be $81$

As previously the number was squared, so the number before $81$ must be $9$.

3 0
2 years ago
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