3 years ago

Estimate.$27.64 times 3

Mathematics

2 answers:

mariarad [96]3 years ago

7 0

You could do 28 times 3, which is 84 or 30 times 3, which 90

Murljashka [212]3 years ago

4 0

$90 is a good estimation because 27 is almost 30 and 30 x 3 is 90

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Rewrite the square-root expression as an imaginary number: sqrt of -64<br><br> is it 8i?

IceJOKER [234]

The answer is 8i.

i = √(-1)

√(-64) = √((-1) * 64)
= √(-1) * √64
= i * √8²
= i * 8
= 8i

6 0

3 years ago

Read 2 more answers

Step by set

Roman55 [17]

Answer:

2 2/3 or 8/3

Step-by-step explanation:

Step by step I am guessing? (Is that what each question is for?)

STEP 1

First we have to find 1/3 of 23:

23/3= 1/3 of 23

Then:

5/1 = 15/3

STEP 2

Subtract:

23-15= 8/3

8/3 or 2 2/3

3 0

3 years ago

Hilda has $210 worth of $10 and $12 stock shares. The number of $10 shares is five more than twice the number of $12 shares. How

klasskru [66]

Let's first define variables.
y: number of shares of $ 10
x: number of shares of $ 12
We write the system of equations:
10x + 12y = 210
y = 2x + 5
Solving the system:
x = 75/17
y = 235/17
Answer:
she has:
75/17 shares of $ 12
235/17 shares of $ 10