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kvasek [131]
3 years ago
10

2.) Two students are working on a simplification problem. Their work is shown below. Is either of

Mathematics
1 answer:
kvasek [131]3 years ago
8 0

Answer:

Both Jeff and Lori are wrong.

Step-by-step explanation:

3 -  \frac{(4 \times 3)^{2} }{2}  + (1 \times 6)

3 - \frac{12^{2}}{2}  + 6

3 -  \frac{144}{2}  + 6

3 - 72 + 6

- 72 + 9

- 63

-63 is the final answer

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Help please thanks :)
Gre4nikov [31]

Answer:

the third one down, there is no gap in the data set

Step-by-step explanation:

ill be here all day

8 0
3 years ago
Use the elimination method to solve the system of equations.Choose the correct ordered pair. - x + y = - 2 and 2 x - 3y = 4
Zolol [24]

Answer:(2,0) x=2,y=0

Step-by-step explanation:

Let's solve your system by elimination.

−x+y=−2;2x−3y=4

Multiply the first equation by 2,and multiply the second equation by 1.

2(−x+y=−2)

1(2x−3y=4)

Becomes:

−2x+2y=−4

2x−3y=4

Add these equations to eliminate x:

−y=0

Then solve−y=0 for y:

−y=0

−y/−1 =0/−1

(Divide both sides by -1)

y=0

Now that we've found y let's plug it back in to solve for x.

Write down an original equation:

−x+y=−2

Substitute0foryin−x+y=−2:

−x+0=−2

−x=−2(Simplify both sides of the equation)

−x/−1 = −2/−1

(Divide both sides by -1)

x=2

8 0
3 years ago
The weight of an object on the moon is 1/ 6 of its weight on earth. A person weighing 114 pounds on earth would weigh how much o
meriva
114/6=19
they would weigh 19 lbs.
5 0
4 years ago
Rewrite the expression in the form y^n
bazaltina [42]

Answer:

$ y^6 $

Step-by-step explanation:

$ \frac{a^b}{a^c} = a^{b - c} $

Using this rule we have:

$ \frac{y^{-7}}{y^{-13}}  = y^{-7 -(-13)} = y^6$

6 0
3 years ago
Read 2 more answers
15/16 divided by 3/4 = ?
Dmitry [639]

5/4

(15/16)(4/3) The 4/3 is the reciprocal of 3/4

=5/4

8 0
3 years ago
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