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4 years ago

What is the relationship between 5.34×10^5 and 5.34×10^-2

1 answer:

7 0

I got another to say it. The difference is that 56.34×10.5 the answer is 56.07 and 5.34×10.-2 that is 54.46 and the first two numbers are the same but the two other number aren't the same

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Solve the system by substitution

kramer

Answer:

The solution to the system of equations be:

$x=3,\:y=-2$

Step-by-step explanation:

Given the system of equations

4x-2y = 16

y = -5x+13

Solving the system of equations using the substitution method

$\begin{bmatrix}4x-2y=16\\ y=-5x+13\end{bmatrix}$

Substitute y = -5x+13 in 4x-2y = 16

$4x-2\left(-5x+13\right)=16$

$4x+10x-26 = 16$

$14x-26 = 16$

Now isolate x for $14x-26 = 16$

$14x-26=16$

Add 26 to both sides

$14x-26+26=16+26$

Simplify

$14x=42$

Divide both sides by 14

$\frac{14x}{14}=\frac{42}{14}$

Simplify

$x=3$

For y = -5x+13

Substitute x = 3

$y=-5\cdot \:3+13$

Simplify

$y=-2$

Therefore, the solution to the system of equations be:

$x=3,\:y=-2$

6 0

3 years ago

At a lightbulb manufacturing plant, 2% of the lightbulbs are found defective. If the plant had 56 defective lightbulbs on a cert

svetlana [45]

Answer:

2800 lightbulbs

Step-by-step explanation:

Divide 56 by 2% to cancel out the multiplication used to find the amount of defective lightbulbs.

3 0

3 years ago

You and your friends are going to a local concert. Each ticket costs $14. The total amount of ticket sales for the concert was $

serious [3.7K]

Answer: 628

Step-by-step explanation:

8792/14 = 628

5 0

4 years ago

What is the common denominator for 2/7 and 1/2

jeyben [28]

Answer:

2/7 and 1/2

The common denominator = 7× 2

= 14

Step-by-step explanation:

4 0

4 years ago

This is all due today!!!

storchak [24]

Answer:

it is b

Step-by-step explanation:

8 0

3 years ago