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scZoUnD [109]
3 years ago
15

Welp.....................

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

Answer:

c

not sure tho

Step-by-step explanation:

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ewan makes chess boards from wood each bored has 3 different kinds of wood he has 5 kinds of wood in his workshop maple cherry w
salantis [7]

He can make 15 chess boards.

All you need to do is multiply 3 by 5.

7 0
3 years ago
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What about this one ?
il63 [147K]
For this case we have the following equation:
 x ^ 2 + 18x + 32 = 0
 Rewriting we have:
 x ^ 2 + 18x = -32
 By completing squares we have:
 x ^ 2 + 18x + (18/2) ^ 2 = -32 + (18/2) ^ 2
 Rewriting:
 x ^ 2 + 18x + (9) ^ 2 = -32 + (9) ^ 2
 x ^ 2 + 18x + 81 = -32 + 81
 x ^ 2 + 18x + 81 = 49
 (x + 9) ^ 2 = 49
 Answer:
 
(x + 9) ^ 2 = 49
 
option 1
6 0
3 years ago
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Please help my sister with this! 4. 3 gallons of paint are used to paint 16 wooden signs how much paint did you sign used betwee
Paul [167]

Answer:

<h2><em><u>.1etc</u></em></h2>

Step-by-step explanation:

It would be 16 divided by 3 and from the answer you get from that you should divide it by itself equaling infinite .111111111111etc

4 0
3 years ago
Use the polar representation to write the following in the form a + bi (a) (-1+ i)^7 (b) (1+v3i)^10
ira [324]

Answer with Step-by-step explanation:

For any complex number x+iy the polar form is represented as

z=re^{i\theta }

where

r^{2}=x^2+y^2\\\\tan(\theta )=\frac{y}{x}

Part a) x+iy = -1+i

Thus r=\sqrt{-1^2+1^2}=\sqrt{2}\\\\  \theta _{1}=tan^{-1}(\frac{-1}{1})=\frac{-\pi }{4}

Thus using De-Morvier's theorem

(-1+i)^7=(\sqrt{2}e^{i\frac{-\pi }{4}})^7\\\\\therefore (-1+i)^7=2^{7/2}\cdot e^{\frac{i-\pi }{28}}

Part 2) x+iy = 1+3i

Thus r=\sqrt{1^2+3^2}=\sqrt{10}\\\\  \theta _{1}=tan^{-1}(\frac{3}{1})=1.25

Thus using De-Morvier's theorem

(1+3i)^{10}=(\sqrt{10}e^{1.25i})^{10}\\\\\therefore (1+3i)^{10}=10^{5}\cdot e^{12.5i}

3 0
3 years ago
What is the lowest value in the set of data represented by the following box-and-whisker plot?
solong [7]
5 because it’s the lowest
7 0
3 years ago
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