3 years ago

Can someone help me with this 2?

1 answer:

5 0

22. A) W= 4.5
plug it in- 23 = 2(7) + 2(4.5)

23. C) P = 1250 + (0.06)(1250)
with tax you multiple the percent by the total then add to the total

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This answer needs to be rounded to the nearest hundredth. Example:12.34

lara [203]

Answer is 14.14
Reason
Using Pythagorean theory
a^2 + b^2 = c^2
The two legs are a and b, the longest diagonal opposite the right angle is c
10^2 + 10^2 = c^2
200 = c^2
Take square root of both sides
14.14 = c

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2 years ago

A nursery has $50,000 of inventory in dogwood trees and red maple trees. The profit on a dogwood tree is 27% and the profit on a

nasty-shy [4]

Answer:

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Step-by-step explanation:

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2 years ago

21x =7?<br> A. x=3<br> B. None of these <br> C. x=147<br> D. x=28

Varvara68 [4.7K]

Answer: B

Step-by-step explanation:

To isolate x, you divide both sides by 21

21x=7

$\frac{21x}{21}=\frac{7}{21}$

x = 7/21

Simplify by dividing both the numerator and denominator by 7

x = 1/3

Since, 1/3 is not an option, B is the correct answer

6 0

2 years ago

Simplify 3^2 + 1 * 2

inessss [21]

Answer:

3×3+1×2

9+2

11 is the answer

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3 years ago

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If (a+bi)^2=2abi, what must be the relationship between a and b? Show or explain your reasoning.

Klio2033 [76]

$(a+bi)^2 =(a+bi)(a+bi)= a^2 +2abi+b^2 i^2 \\ \\ i^2 = -1 \\ \\ (a+bi)^2 = a^2-b^2 +2abi = 2abi \\ \\ a^2 -b^2 = 0 \\ \\ a^2 = b^2 \\ \\ a = b$

For the statement to be true, 'a' and 'b' must be equal

*First expand the binomial using FOIL, then set it equal to whats given "2abi".
Then you can find the relationship between a and b.

6 0

3 years ago

Can someone help me with this 2? ​

Can someone help me with this 2?