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3 years ago

Z= 77-27.8i what are the real and imaginary parts of z

Mathematics

1 answer:

yulyashka [42]3 years ago

7 0

Answer:

49.19

Step-by-step explanation:

simple

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A restaurant catered a party for 40 people. A child’s dinner (c) cost $11 and an adult’s dinner (a) cost $20. The total cost of

11111nata11111 [884]

a+c=40

c=40-a

11c +20a=728

11(40-a)+20a=728

440-11a +20a=728

440+9a=728

9a = 288

a=288/9 = 32

32 adults

8 children

8 0

3 years ago

Read 2 more answers

Express each logarithm in terms of In 2 and In 5.

Sladkaya [172]

Answer:

$5ln2-3ln5$

$2ln5-ln2$

Step-by-step explanation:

∵ $32=2^{5}$

∵ $125=5^{3}$

∵ $ln\frac{32}{125}=ln\frac{2^{5}}{5^{3}}$

∴ $ln2^{5}-ln5^{3}=5ln2-3ln5$

∵ $12.5=\frac{125}{10}=\frac{25}{2}=\frac{5^{2}}{2}$

∴ $ln12.5=ln\frac{5^{2}}{2}$

∴ $ln5^{2}-ln2=2ln5-ln2$

3 0

3 years ago

On a number line, 1.38 would be located. choose all answers that make a true statement

SVETLANKA909090 [29]

Awnser: C, A.

Reasoning: On a number line, the bigger number is to the right tthe lower number. for A. For C, it is between 1 and 2 because the number is 1.38.

4 0

3 years ago

(1) Write a note on advantage of using a solar cooker?

kherson [118]

Answer:

Adding 12 to the circle area is equal to the square area.

s2 = 12 + A

Where

s = side of square

A = area of circle

s2 = 12 + 36

s2 = 48

Solve this for s to get the side length

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3 years ago

Simplify the expression: 8f–10f+5f+6f

ANEK [815]

You began to do the equation from left to right. 8-10 = -2, so -2+5= 3, 3+6= 9f

4 0

3 years ago