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Tems11 [23]
2 years ago
11

Which choice is equivalent to the expression below? square root of -64

Mathematics
2 answers:
Anna [14]2 years ago
8 0

Step-by-step explanation:

\sqrt{ - 64 }  =  - 8

so the answer you got pls mark branlist

trapecia [35]2 years ago
3 0
You cannot take square root of a Negative number. No perfect square is negative.
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Tell me the answer asap
Ivanshal [37]
1. 4 17/24
2. 20 5/8
3 0
2 years ago
Mrs. Cristobal drives ⅔ mile in ⅕ hour. How many miles can she drive in 1 hour?
Arada [10]

Answer:

10/3

Step-by-step explanation:

Multiply 2/3 by 5 because 1/5*5=1 hr

2/3*5=10/3

4 0
2 years ago
Read 2 more answers
Six grape fruit cost $5.34. How much does one grape fruit cost????
Firlakuza [10]
In order to figure this out, we can set up a proportion and simplify using cross multiplication.

\frac{units_1}{cost _{1} } =\frac{units_2}{cost _{2} }  \\  \\  \frac{6}{5.34} = \frac{1}{x}  \\  \\ 6*x=5.34*1 \\  \\ 6x=5.34 \\  \\ x=0.89

One grapefruit costs 89 cents.
3 0
2 years ago
Read 2 more answers
Evaluate the given expression if x = 25, y = 10, w = 11, and z = 18.<br><br> (see the image)
hammer [34]

Answer:

D

Step-by-step explanation:

So we have the expression:

(x-y)^2+10wz

And we want to evaluate it when x=25, y=10, w=11, and z=18.

So, substitute these values for the variables:

=(25-10)^2+10(11)(18)

First, subtract within the parentheses:

=(15)^2+10(11)(18)

Square 15:

=225+10(11)(18)

Now, multiply the terms on the right. 10 times 11 is 110:

=225+110(18)

Multiply:

=225+1980

Finally, add:

=2205

So, our answer is D.

And we're done!

8 0
3 years ago
Read 2 more answers
HELP ASAP. The length of the rectangle is five centimeters is less than twice it’s width. The perimeter of the rectangle is 26 c
TiliK225 [7]

Answer:

L = 7, W = 6

Step-by-step explanation:

All I did was I wrote out the equations, L = 2w - 5 and 2L + 2W = 26. I then substituted what L was into the equation and solves. Here's my work if you would like to see it.

8 0
3 years ago
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