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4 years ago

Simplify (8x^4)(4x^3)/7x^2

Mathematics

1 answer:

Oduvanchick [21]4 years ago

8 0

(8x^4)(4x^3)/7x^2
(8x^2) (4x) / 7
32x^3 / 7
(32/7) x^3

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What's greater than -1

MArishka [77]

Answer:

hi its 1

Step-by-step explanation:

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3 years ago

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COPY- Evaluate each expression if a = 4, b = 6, and c = 2 -> 3a +6²c What is

Klio2033 [76]

Step-by-step explanation:

a=4 so 3a becomes 3x4.

3x4=12

12+6c^2

C=2 so 6c^2 becomes (6x2)^2

6x2=12 and 12x12 because of the exponent.

12x12=144

12+144=156

If it's wrong, i'm sorry

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3 years ago

A cleaners recommend 1 1/2 cup of cleaner to 12 cups of water what is the ratio of cleaner to water in simplest form

Evgen [1.6K]

Answer:

8 cups of water : 1 cup of cleaner

Step-by-step explanation:

To find the ratio, divide one value by the other. 12÷1½=8, so the ratio is 8 cups of water : 1 cup of cleaner.

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4 years ago

The mean of a sequence of n numbers is m. If we split the sequence into two sequences of lengths n1 and n2 and compute their mea

Furkat [3]

The mean of a sequence of numbers is the average.

The true statement is: $\mathbf{mn = m_1 \times n_1 + m_2 \times n_2}$

The given parameters are:

$\mathbf{Mean = m}$

$\mathbf{Size = n}$

The mean of a dataset is calculated as:

$\mathbf{Mean = \frac{\sum x}{Size}}$

So, we have:

$\mathbf{m = \frac{\sum x}{n}}$

Multiply both sides by m

$\mathbf{\sum x = mn}$

When the sequence is split into two, we have:

$\mathbf{\sum x_1 = m_1\times n_1}$

$\mathbf{\sum x_2 = m_2\times n_2}$

Where:

$\mathbf{\sum x_ = \sum x_1 + \sum x_2}$

So, we have:

$\mathbf{mn = m_1 \times n_1 + m_2 \times n_2}$

Hence, the true statement is: $\mathbf{mn = m_1 \times n_1 + m_2 \times n_2}$

Read more about mean and averages at:

brainly.com/question/16217700

8 0

3 years ago

The city park is a square of land woth an area of 10,000 m^2. What is the length of the fence that encloses the park ?

Mekhanik [1.2K]

Answer:

The length of the fence that encloses the park is 400 m

Step-by-step explanation:

step 1

Find the length of the square city park

we know that

The area of a square is

$A=b^2$

where

b is the length side of the square

we have

$A=10,000\ m^2$

substitute and solve for b

$10,000=b^2$

take square root both sides

$b=100\ m$

step 2

Find out the length of the fence that encloses the park

we know that

The length of the fence is equal to the perimeter of the square city park

The perimeter of the square is

$P=4b$

we have

$b=100\ m$

substitute

$P=4(100)=400\ m$

therefore

The length of the fence that encloses the park is 400 m

5 0

3 years ago