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Elan Coil [88]
3 years ago
14

Janice swam in the 400​ ___ backstroke.

Mathematics
1 answer:
ruslelena [56]3 years ago
7 0
Meter/ yard. Likely meter since that is high/college standard
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How to do a exponent with the negative base?
tatiyna
Examples :
(-2)^3 = (-2)(-2)(-2) = - 8

(-3)^4 = (-3)(-3)(-3)(-3) = 81

(-1)^5 = (-1)(-1)(-1)(-1)(-1) = -1

** if the exponent is an even number, the answer will be positive. if the exponent is an odd number, then the answer will be negative

** but keep in mind....if the negative is not included with the base..
-(5^2) = - 25....but (-5^2) = 25
3 0
3 years ago
Read 2 more answers
(04.01 MC)
Reil [10]

Answer:

144'

Step-by-step explanation:

Your ratio is 45'/5" or 9:1

9x4"=36'

9x3"=27'

45+36+36+27=144'

I believe this is the same answer as I gave previously.

4 0
3 years ago
The distance around the lake is 0.75 mile.derek ran 0.8 of the distance on monday . how far did he run? the answer is 0.75 * 0.8
Elanso [62]
0.75*0.8= \frac{75}{100} * \frac{8}{10} = \frac{75*8}{100*10} = \frac{600}{1000} = \frac{6}{10}=0.6



5 0
3 years ago
Read 2 more answers
The product of 12 and k is 84.<br><br> Solve for k.
Mrac [35]

Answer:

The product of 12 and k is 84

According to the given problem, the equation is

\boxed{12k = 84} \\ k =  \frac{84}{12}  \\  \boxed{k = 7}

  • <u>k = 7</u> is the right answer.
5 0
2 years ago
You can represent the measures of an angle and its complement as x° and (90 − x)°. Similarly, you can represent the measures of
UNO [17]
X = 4(180 - x)
x = 720 - 4x
4x + x = 720
5x = 720
x = 720/5
x = 144

180 - x =
180 - 144 =
36

the measure of the angle is 144...the measure of its supplement is 36
4 0
3 years ago
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