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soldier1979 [14.2K]
1 year ago
8

Evaluate, leave ur answer in index form. 2³ × 2^-1​

Mathematics
1 answer:
vitfil [10]1 year ago
3 0

Multiply = add powers

3 + - 1 = 2

- - means +

+ + means +

- + means -

Thus, answer is 2^2

Hope this helps!

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Select the correct answer.
makvit [3.9K]

Answer:

<h3>64°</h3>

Step-by-step explanation:

y = 52° ( Opposite Angles )

y + 2x = 180° ( Interior Angles )

y + 2x =  {180}^{o}  \\  {52}^{o}  + 2x =  {180}^{o}  \\ 2x =  {180}^{o}  -  {52}^{o}  \\ 2x =  {128}^{o}  \\ x =  \frac{ {128}^{o} }{2} \\ x =  {64}^{o}  \\

3 0
2 years ago
Oil is pumped into a tank at a rate of Q(t)=45-t gallons per minute where time is t is measured in minutes how many gallons are
FinnZ [79.3K]

Answer:

15 gallons

Step-by-step explanation:

Given that:

Pumping rate is modeled by the equation :

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Number of gallons in tank after 30 minutes ;

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Q(30) = 45 - 30

Q(30) = 15

Hence, Number of gallons in tank after 30 minutes is 15 gallons

5 0
2 years ago
6) Lynn wrote two integers on the chalkboard. The integers she wrote were 45 and -17. What is
lana [24]
45+-17
This is the same as subtracting 17 from 45
45-17=28
8 0
3 years ago
If x = 7 and y = 10, what is the value of the expression xy - ( y + 2) ?
BartSMP [9]

X=7 and y=10

Given that xy-(y+2)

Therefore,

7*10-(10+2)

70-12

58 Ans


7 0
3 years ago
Read 2 more answers
Help. Fully explain plz
frozen [14]
110/55 is what u get if u add them all up
7 0
3 years ago
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