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Ket [755]
3 years ago
8

A system of two linear equations is graphed on a coordinate grid. The lines intersect at one point. Which statement about the sy

stem of equations is True or False (; I will Give you the Brainliest.
Mathematics
1 answer:
jasenka [17]3 years ago
5 0
True I hope this helps
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A lay came to the market to sell eggs . We first customer bought 1/2 of all her eggs and 1/2 of an egg. Her second customer boug
Bezzdna [24]

Given:

First customer bought 1/2 of all eggs of lady seller and 1/2 of an egg.

Her second customer bought 1/2 of all the remaining eggs and 1/2 of an egg.

At this point she had sold all her eggs.

To find:

The number of egg the lady have when she came to the market.

Solution:

Let x be the number of egg that the lady have when she came to the market.

First customer bought 1/2 of all eggs of lady seller and 1/2 of an egg. So, the number of remaining eggs after first customer is

x-\dfrac{1}{2}x-\dfrac{1}{2}=\dfrac{x}{2}-\dfrac{1}{2}

Her second customer bought 1/2 of all the remaining eggs and 1/2 of an egg.  So, the number of remining egg after second customer is

\text{Remaining eggs}=\dfrac{x}{2}-\dfrac{1}{2}-(\dfrac{x}{2}-\dfrac{1}{2})\times \dfrac{1}{2}-\dfrac{1}{2}

=\dfrac{x}{2}-\dfrac{1}{2}-\dfrac{x}{4}+\dfrac{1}{4}-\dfrac{1}{2}

=(\dfrac{x}{2}-\dfrac{x}{4})+(-\dfrac{1}{2}+\dfrac{1}{4}-\dfrac{1}{2})

=(\dfrac{2x-x}{4})+(\dfrac{-2+1-2}{4})

=\dfrac{x}{4}-\dfrac{3}{4}

At this point she had sold all her eggs. It means the remining eggs is 0.

\dfrac{x}{4}-\dfrac{3}{4}=0

\dfrac{x}{4}=\dfrac{3}{4}

Multiply both sides by 4.

x=3

Therefore, the lady came to the market is with 3 eggs.

8 0
3 years ago
HELP PICTURE IS SHOWN
Triss [41]
The picture of graph c would be the right one.

4 0
3 years ago
A figure skating school offers introductory lessons at $50 per session. There is also a registration fee of $75.
erica [24]

Answer:

Step-by-step explanation:

a. Y=50x+75

b. Y=50(7)+75

y=350+75

y=425

Yes, you will have enough if you use the 465 certificate. You will have $40 (465-425) left on the gift certificate.

8 0
3 years ago
A production manager at a wall clock company wants to test their new wall clocks. The designer claims they have a mean life of 1
TEA [102]

Answer:

The correct answer will be "0.3043".

Step-by-step explanation:

The given values are:

\mu = 15

n=41

\sigma^2=25

then,

\sigma=5

If researchers know representative sample n > 30 and default deviation those who use z-test

∴  P(x>15.4)

⇒  1-P(x

⇒  1-P(\frac{x-\mu}{\frac{\sigma}{\sqrt{n} } }

⇒  1-P(Z

⇒  1-0.695762

⇒  0.3043

6 0
3 years ago
When simplifying x3. x2, the exponents are added together.<br> True<br> False
gladu [14]
When simplifying x3. X2, the exponents are added together true of false
Your answer is true
5 0
2 years ago
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