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krok68 [10]
3 years ago
8

Lena tried to solve a system of linear equations algebraically and the process found the equation 5=9. Lena thought something wa

s wrong, so she graphed the equations and found that they were parallel lines. Complete the explanation for what Lena's graph and equation could mean.
Mathematics
1 answer:
Jet001 [13]3 years ago
3 0
This means the graph or the equation has no solution
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Mark wrote the highest score he made on his new video game as the product of 70*6000. Use the associative and commutative proper
Alex777 [14]
Mark can:

7*6=42
then just add back the 4 zeros

so its 42 0000
8 0
4 years ago
Solve the following equation. Determine if the equation is an "identity" or "contradiction."
Leona [35]
To solve, we must get x by itself. the first step we must take is to remove all of the parentheses. To do this, we must use distribution to multiply 5 by x - 6.

5(x - 6) = 3x - 18 + 2x

5x - 30 = 3x - 18 + 2x

Next, we must add like terms.

5x - 30 = 5x - 18

Finally, we must get x by itself. to do this, we must subtract 5x from both sides.

5x - 30 - 5x = 5x - 18 - 5x

Then, we add like terms again.

-30 = -18

Because this is a false statement, the equation is a contradiction.
8 0
4 years ago
Use the following cell phone airport data speeds​ (Mbps) from a particular network. Find the percentile corresponding to the dat
slavikrds [6]

Answer:

The data speed 1.4Mbps is in the 34th percentile.

Step-by-step explanation:

To find the percentile of a value X in a data set, we divide the number of values lesser than X in the data set by the total number of values in the data set, and then multiply by 100.

In this set

There are 17 values lesser than 1.4

There are 50 values in all.

So

P = 100*\frac{17}{50} = 34

The data speed 1.4Mbps is in the 34th percentile.

8 0
4 years ago
X to the power of 3 = 125 <br> what is X?
asambeis [7]

Answer:

x = 5

Step-by-step explanation:

x³ = 125

x = √125

x = 5

plz follow me

4 0
3 years ago
Taho Earns His Regular Pay Of $11 Per Hour For Up To 40 Hours Of Work Per Week. For Each Hour Over 40 Hours Of Work Per week.For
olya-2409 [2.1K]

Answer:

<em>$605</em>

<em></em>

Step-by-step explanation:

The correct question is

Taho Earns His Regular Pay Of $11 Per Hour For Up To 40 Hours Of Work Per Week. For each hour over 40 hours of work per week. Taho earns 1½ times his regular pay. How much does Taho earn in a week in which he works 50 hours?

a. $550

b. $605

c. $625

d. $750

e. $825

For the first $40 that Taho works, he earns $11 x 40 = $440

For the extra $10 (since he worked 50 hrs that week)

1½ of $11 per hr = 1.5 x $11 = $16.5

for the 10 days extra = $16.5 x 10 = $165

total pay = $440 + $165 = <em>$605</em>

<em></em>

5 0
3 years ago
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