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marissa [1.9K]
3 years ago
10

Please help i already got one wrong

Mathematics
2 answers:
Debora [2.8K]3 years ago
3 0
Solve for d

d=5t+2

d=2+5t (divide both sides of the second one by two)

so they are both equal to d=5t+2

That means that the graph of the solutions to the system is a straight line - because every point on the line would be a solution to the system. It also means that the equation are equivalent. This means that every solution to the first equation is a solution to the second equation.

This question is poorly worded because they both go the same direction, but since parallel lines are defined as lines that never intersect, and these lines do intersect (they're the same line)...

Among the four, the false statement is "The graphs of the equations are parallel lines."




8_murik_8 [283]3 years ago
3 0

Answer:

The graphs of the equations are parallel lines.

Step-by-step explanation:

This is the false statement because all they did was DOUBLE the top equation and wrote the new equation below it. This would be considered dependency. Whenever we have <em>infinitely</em><em> </em><em>many</em><em> </em><em>solutions</em><em>,</em><em> </em>we have a dependent system of equations.

I am joyous to assist you anytime.

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The first one is A the second is C and the third is B
6 0
3 years ago
e. Translate the word problem below into an equation; then solve. It only takes Vera 2 hours to sew 1 dress, but it takes Ivy 4
Daniel [21]

Using the together rate, it is found that it would take them 16 hours to sew 12 dresses.

<h3>What is the together rate?</h3>

The together rate is the <u>sum of each separate rate</u>.

In this problem, we have that:

  • Vera's rate is of 1/2.
  • Ivy's rate is of 1/4.

Hence, the together rate is the time it would take them to produce one dress working together, and is given by:

\frac{1}{x} = \frac{1}{2} + \frac{1}{4}

\frac{1}{x} = \frac{2 + 1}{4}

3x = 4

x = \frac{4}{3}

Then one dress takes \frac{4}{3} of an hour, and the time for twelve dresses is:

t = 12 \times \frac{4}{3} = 4(4) = 16

It would take them 16 hours to sew 12 dresses.

To learn more about the together rate, you can take a look at brainly.com/question/25159431

6 0
2 years ago
What are these numbers in order from greatest to least
DerKrebs [107]
Answer : Square root of 21 , -4 2/3, -30/7 , -31/6 .

Explanation :

-4 2/3 = -10/3 = -3.3333
Square root of 21 = 4.58258
-31/6 = -5.1666
-30/7 = 4.2857

And arrange them from greatest to least and there we have the answer.

Hope this helps you understand !!!!
4 0
3 years ago
Which statement is true?
Crank
The answer is neither because to be complementary they need to equal 90 degrees and to be supplementary the need to equal 180 degrees. The sum of the two angles equals 169 degrees.
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