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soldier1979 [14.2K]
2 years ago
8

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

Mathematics
1 answer:
vitfil [10]2 years ago
3 0

Multiply = add powers

3 + - 1 = 2

- - means +

+ + means +

- + means -

Thus, answer is 2^2

Hope this helps!

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Assignment<br><br> What is -3/4 + 2 3/4<br><br> 3 1/2<br> 3 3/4<br> 2 1/2<br> 2
Yanka [14]

Answer:

D) 2

Step-by-step explanation:

When you have 2\frac{3}{4} and you subtract \frac{3}{4} from it, you result in 2.

the \frac{3}{4} in the 2 and by itself cancel out.

#teamtrees #WAP (Water And Plant)

5 0
3 years ago
What is the y- coordinate of the solution of the system of equation Y equals { y=3x -26<br>2x-y=19
jenyasd209 [6]
Hello!

We put y into the second equation

2x -1(3x - 26) = 19

Distribute the -1

2x - 3x + 26 = 19

Combine like terms

-x + 26 = 19

Subtract 26 from both sides

-x = -7

Since x is negative we can multiply both sides by -1 to make it positive

x = 7

Now we put this into the first equation to find y

y = 3(7) - 26

Multiply

y = 21 - 26

Subtract

y = -5

The answer is -5

Hope this helps!
8 0
3 years ago
How do I find the x value of this triangle? thank youuuu​
barxatty [35]

answer = 42

if you look at the triangle you see a small square in the corner indicating that the triangle is a 90 degree angle, therefore all the sides add up to 90. With this knowledge just add the values of the two known sides, 18 and 30, which is 48 and then subtract 48 from 90 which gives you the value of x, 42

5 0
4 years ago
Read 2 more answers
A car can travel 120 km in 2 hours.How long will it take the car to travel 300 km?
kakasveta [241]

We first find out time taken to travel for just 1 km

2hrs is equivalent to 120 minutes

120 km  = 120 min

1 km  =  x        (where x is the time taken to travel 1 km).

we simplify the equation by cross - multiplying the equation , so:

120  × x = 1 × 120  → 120x = 120  → x  = 120/120 → x = 1

So  the car covers 1km  in 1 minute

For 300 km the car will take 300 × 1 minute = 300 minutes

we convert minutes to hours by dividing by 60 → 300 / 60 = 5

Therefore the car will take 5 hours to cover 300 km.





8 0
3 years ago
Read 2 more answers
Solve the following equations for x<br><br> 13−(2x+2)=2(x+2)+3x
ki77a [65]

Answer:

x = 1

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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