4 years ago

How many are 8 raised to 3 ???

Mathematics

1 answer:

goldfiish [28.3K]4 years ago

7 0

512 hope it’s right

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Gwendolyn is asked to solve the equation –4(x – 3) = 20. She shows the work below and states that the solution is x = –8. –4(x –

____ [38]

Answer:

$x=-2$

Step-by-step explanation:

Given: Equation is $-4(x-3)=20$

To find: flaw in Gwendolyn's work and the correct solution to the equation.

Solution:

In the given question,

the first step is $-4(x-3)=20$

The second step is $-4x+12=20$

(This step is obtained on multiplying $-4$ by $x-3$ )

The third step is $-4x=32$

This step is wrong as on transposing 12 from left side of the equation in the second step to the right side, the following equation is obtained:

$-4x=20-12\\-4x=8\\x=-2$

So, the correct solution is $x=-2$

3 0

3 years ago

Read 2 more answers

Help me with this please

Rufina [12.5K]

Answer: (2,7)

Midpoint formula = ( $\frac{x1+x2}{2}$ , $\frac{y1+y2}{2}$ )

1 + 3 / 2 = 2

5 + 9 / 2 = 7

3 0

3 years ago

an item initially valued at 100$ goes down in value by 20% the first year then goes up in value 10% the second year and goes dow

Fed [463]

$100 * 0.2 = $20.
$100 - $20 = $80.
$80 * 0.1 = $8.
$80 + $8 = $88.
$88 * 0.2 = $17.60
$88 - $17.60 = $70.40.
Answer: $70.40

8 0

3 years ago

Which options could be the next step in simplifying this expression?

zubka84 [21]

C and D
5·(2+4) is 30, because u need to add parenthesis first. 2+4 is 6
6·5 is 30.
C is 5·6 and that is 30
D is 5·2 which is 10, then 5·4 which is 20. 10+ 20 is 30.
:)

4 0

3 years ago

Please give me the correct answer

9966 [12]

Answer:

1 41421356237/10000000000

Step-by-step explanation:

thats the square root of to, plz mark brainliest and also if this is not what u need, tell me

4 0

3 years ago

How many are 8 raised to 3 ???​

How many are 8 raised to 3 ???