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3 years ago

Plz help me with this

Mathematics

1 answer:

ivann1987 [24]3 years ago

6 0

Answer:

Step-by-step explanation:

You can find the cube root of 2 and multiply it by the 6th root of 5.

cube root(2) = 2^(1/3) = 1.2599

6th root of (5) = 0.7418

Product = 1.2599 * 0.7418 = .9346

You need a key that will do fractional powers. Look around on your calculator for ^ that key y^x or x^y.

Using one of those keys, you would put in 2 ^ 0.33333333 =

If your calculator does not have this key (I recommend you buy one that does. They are less than 10 dollars), then you can use the calculator on windows.

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The correct answer among the given choices is the first one

A graph shows Time in hours on the x-axis and Aida’s Distance from Tent in miles on the y-axis.

The graph shows three straight lines.

The first straight line joins ordered pairs 0, 0, and 2, 4.

The second straight line joins ordered pairs 2, 4, and 8, 4. The third straight line joins ordered pairs 8, 4, and 9, 0.

The given ordered pairs are in the format of (t, d) where t is time and distance is d.

Time will always be on the x-axis since it is always an independent variable.

The first ordered pair should be (2, 4) since it took her 2 hours to trek to the hilltop. Of the given choices, only the 1st and 3rd choices have these first ordered pairs so we are down to two choices.

Now the second ordered pair should be (8, 4) since she spent 6 hours at the top but no change in distance. And only the 1st choice has this value therefore it is the answer.

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2 years ago

If ln(4x+y)=2x-3,then dy/dx=

Viktor [21]

$\ln(4x+y)=2x-3$

Differentiate both sides wrt $x$ :

$\dfrac{\mathrm d(\ln(4x+y))}{\mathrm dx}=\dfrac{\mathrm d(2x-3)}{\mathrm dx}$

By the chain rule, we get

$\dfrac1{4x+y}\dfrac{\mathrm d(4x+y)}{\mathrm dx}=2$

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3 years ago

Maggie is taking out a student loan for $2,600. She plans on paying off the loan in 3 years. At the end of the 3 years, Maggie w

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Answer: 15%

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2,600 * X = 390

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3 years ago

The total weight of three tables is 16.9 pounds. The first table is twice as heavy as the second table and the weight of the thi

gavmur [86]

X the 1st table
y the second
z the third

The equation is : x+y+z =16.9

But we know (given) that x=2y & z=(1/3)y

Calculate everything in term of x:

x= 2y==> x/2 =y

z=(1/3)y ==> & since y=x/2 then z= (1/3)(x/2)==> z=x/6; y=5.07 & z =1.69

x + x/2 + x/6 = 16.9===>1.666x = 16.9===> x= 10.14

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3 years ago

Classrooms have a capacity of either 30 or 31 students. If 307 students are assigned to rooms that are to be filled to capacity,

Nana76 [90]

There are now 7 classrooms of 31 and 3 of 30.

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A linear equation in mathematics is an equation that can be written as display style a 1x 1+ldots +a nx n+b=0, where x 1, dots, x n are the variables, and display style b, a 1, ldots, a n are the coefficients, which are frequently real integers.

<h3>According to the given information:</h3>

Madison, we first have to add 30 + 31 = 61.

How many times does 61 go into 307

Five,

because 61 x 5 = 305.

This means there are 5 of each classroom.

We still have two students left over, though, so they will have to be added to two of the 30 rooms,

so there are now 7 classrooms of 31 and 3 of 30.

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2 years ago