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Feliz [49]
2 years ago
12

Johns family has $12 to spend after buying tickets to the Aquarium. Parking costs $3 an hour.

Mathematics
1 answer:
TEA [102]2 years ago
7 0

Answer:

4 hours

Step-by-step explanation:

4 x 3 =12 or 12÷3 = 4

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IrinaVladis [17]
X+x+2= 56 2x=54 The answer is 27 and 29
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3 years ago
Please help asap
KengaRu [80]

Answer:

one

Step-by-step explanation:

they meet at only one point, thus their system of equations has as solution only those coordinates.

8 0
2 years ago
Solve the system of equations -x+ 2y = –11 and 5x – 8y = 39 by<br> combining the equations.
Alchen [17]

Answer:

x=-5, y=-8. (-5, -8).

Step-by-step explanation:

-x+2y=-11

5x-8y=39

---------------

5(-x+2y)=5(-11)

5x-8y=39

---------------------

-5x+10y=-55

5x-8y=39

--------------------

2y=-16

y=-16/2

y=-8

-x+2(-8)=-11

-x-16=-11

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x=-5

3 0
2 years ago
A factory that manufactures bolts is performing a quality control experiment. Each object should have a length of no more than c
disa [49]

Answer:

There is sufficient evidence. A further explanation is provided below.

Step-by-step explanation:

According to the question,

The alternative as well as null hypothesis will be:

H_0:\mu = 16

H_a:\mu>16

The test statistics will be:

⇒ z = \frac{\frac{\bar x - \mu}{\sigma} }{\sqrt{n} }

By putting the values, we get

⇒    =\frac{\frac{16.06-16}{0.24} }{\sqrt{96} }

⇒    =\frac{\frac{0.06}{0.24} }{\sqrt{96} }

⇒    =2.45

Or,

The p-value will be:

= 0.0071

i.e.,

⇒ p-value< \alpha

Thus the above is the correct answer.

6 0
3 years ago
What is the slope of the line?
zhannawk [14.2K]

Answer:

\frac{2}{3}

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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