3 years ago

Wrong or Right ? PLS ANSWER ASAP !!!

Mathematics

1 answer:

kramer3 years ago

5 0

Answer:

WRONG

Step-by-step explanation:

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Which is the value of this expression when j = negative 2 and k = negative 1?

Natalija [7]

Answer:

Option A.

Step-by-step explanation:

It is given that

$j=-2, k=-1$

The given expression is

$\left(\dfrac{jk^{-2}}{j^{-1}k^{-3}}\right)^3$

Substitute the given values in the above expression.

$\left(\dfrac{(-2)(-1)^{-2}}{(-2)^{-1}(-1)^{-3}}\right)^3$

$\Rightarrow \left(\dfrac{(-2)(1)}{\dfrac{1}{-2}(-1)}\right)^3$

$\Rightarrow \left(\dfrac{-2}{\dfrac{1}{2}}\right)^3$

$\Rightarrow \left(-4\right)^3$

$\Rightarrow -64$

Therefore, the correct option is A.

3 0

4 years ago

Read 2 more answers

How am I supposed to do?<br>

anyanavicka [17]

Poggers poggers poggers

7 0

3 years ago

I really need help they never taught me this in my old school.

SIZIF [17.4K]

To find this, just plug the numbers into the expressions.

5x = y
5(2) = 7
10 = 7
So it can't be A.

x + 2 = y
2 + 2 = 7
4 = 7

x + 4 = y
2 + 4 = 7
6 = 7

2x + 3 = y
2(2) + 3 = 7
7 = 7

The correct answer is
D. 2x + 3

6 0

3 years ago

T plus 8 times 18 equals 108

Luda [366]

Answer:

T= -36

Step-by-step explanation:

T + 8 x 18 = 108

Multiply 8 and 18

T + 144 = 108

Subtract 144 from both sides to get T alone

T = -36

5 0

3 years ago

7,6490035 to the nearest thousandth

QveST [7]

Answer:

76,490,035.000 rounded to 3dp

Step-by-step explanation:

6 0

3 years ago