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4 years ago

Need some help with this here problem: thanks :)

Mathematics

1 answer:

iVinArrow [24]4 years ago

5 0

Answer:

Step-by-step explanation:

$\left(\left(-3\right)^{16^{\frac{1}{2}}}-\left(-7\right)^{8^{\frac{1}{3}}}\right)^{0.2}=32^{0.2}\\=32^{0.2}A\\32^{0.2}=2\\= 2A$

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The distance between two cities on a map is 3.25 centimeters. The map used a scale in which 1 centimeter represents 20 kilometer

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Answer:

Step-by-step explanation:

Step one:

given

we are told that the distance is 3.25cm on the map

the scale is 1cm to represent 20km

Required

the actual distance

Step two

if 1cm represent 20km

then 3.25cm will represent x km

cross multiply we have

x=2.35*20

x= 65km

Hence, the actual distance between these two cities in kilometers 65km

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3 years ago

15 less than a number

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3 years ago

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A number cube is tossed and the spinner below is spun. Find P(3 and C).

pickupchik [31]

Answer:

$P(3\ and\ C) = \frac{1}{24}$

Step-by-step explanation:

Given

Cube and Spinner (See attachment for spinner)

Required

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In the attached spinner, there are 8 partitions and C = 2

So:

$P(C) = \frac{2}{8}$

$P(C) = \frac{1}{4}$

In a number cube, there are 6 faces and 1 side is 3.

So:

$P(3) = \frac{1}{6}$

P(3 and C) is calculated as:

$P(3\ and\ C) = P(3) * P(C)$

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3 years ago

A hiker drops a pebble from a bridge 240 feet above a canyon. The polynomial

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Answer:

Step-by-step explanation:

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3 years ago

What is the root of the polynomial equation x(x-2)(x+3)=18 ? Use a graphing calculator and a system of equations.

Hoochie [10]

Answer:

3 is the root of the equation.

Step-by-step explanation:

We have to find the root of the polynomial equation x(x-2)(x+3)=18.

We can find the same by using a graphing utility and the system of equations.

We can make two equations which are given by

$y=x(x-2)(x+3)....................(1)\\\\y=18$

Now, we plot the graph of these equations and the x-coordinate of the intersection point will be the root of the equation.

the graph has been shown in the attached file.

The intersection point is (3, 18) and the x-coordinate is 3.

Therefore, 3 is the root of the equation.

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4 years ago

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