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Volgvan
3 years ago
14

2x + x + x + 2y × 3y × y​

Mathematics
1 answer:
Vilka [71]3 years ago
5 0

Answer:

\large\boxed{4x+6y^3}

Step-by-step explanation:

2x+x+x+2y\times3y\times y\\\\=(2x+x+x)+(2y\times3y\times y)\\\\=4x+(2\times3)(y\times y\times y)\\\\=4x+6y^3

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Solve for x, y=3x^2 -x+1​
galben [10]
A: 5x-1=y
(=) x=(y+1)/5
7 0
3 years ago
What is 2.4 divided by 16.8
dezoksy [38]
That would be .14
<em>How?</em>
Well that's easy all you have to do is set up 2.4÷16.8  Move the decimal over to the right to make it 24÷16.8 then at last you get dividing it.  Do it how you would normally divide.  Then you should get a huge decimal after you divide it.  You want to round to the nearest hundredth (if necessary) so you should get .14 as your answer!  Hope that helped!
8 0
3 years ago
Read 2 more answers
Allison is rolling her hula hoop on the playground. The radius of her hula hoop is 35 cm. What is the distance the hula hoop rol
lidiya [134]

Answer:

Distance covered by hula hoop rolls in 4 full rotations is 880 cm .

Step-by-step explanation:

Formula

Perimeter\ of\ a\ circle = 2\pi r

Where r is the radius of the circle.

As given

Allison is rolling her hula hoop on the playground.

The radius of her hula hoop is 35 cm.

r = 35 cm

\pi = \frac{22}{7}

Putting the value in the formula

Perimeter\ of\ a\ hula hoop = 2\times \frac{22}{7} \times 35

                                             = 220 cm

As given

The hula hoop rolls in 4 full rotations.

Distance covered by hula hoop rolls in 4 full rotations =  220 × 4

                                                                                          = 880 cm

Therefore the Distance covered by hula hoop rolls in 4 full rotations is 880 cm .

6 0
3 years ago
HELPPPPPPPPP
Evgesh-ka [11]

Answer:

  • D-last pic

Step-by-step explanation:

Check the rate of change in the f(x) column.

The first 3 have linear change (arithmetic sequence) and the last one has different pattern.

Correct option is D

7 0
3 years ago
If the critical z-value for a hypothesis test... If the critical z-value for a hypothesis test equals 2.45, what value of the te
schepotkina [342]

Answer: z score = 0.00714

Step-by-step explanation: the value of test statistics is gotten using the standard normal distribution table.

Z= 2.45 has area to the left (z<2.45) and area to the right (z>2.45).

Level of significance α is the probability of committing a type 1 error. The area under the distribution is known as the rejection region and it is the area towards the right of the distribution.

The table I'm using is towards the left of the distribution.

But z>2.45 + z<2.45 = 1

z> 2.45 = 1 - z<2.45

But z < 2.45 = 0.99286

z > 2.45 = 1 - 0.99286

z >2.45 = 0.00714

Hence the test statistics that would produce the least type 1 error is 0.00714

8 0
3 years ago
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