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3 years ago

Someone help me plss! ASAP!!!!!!!!!!!!!!!!!!!!! giving brainliest

Mathematics

2 answers:

Brums [2.3K]3 years ago

4 0

Answer:

742908

Step-by-step explanation:

because you move the decimal point 5 times to he right

dybincka [34]3 years ago

4 0

742908 is 7.42908 in standard form

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7.<br>(-3x³)(-2x³y⁴z)(-3z²)÷(4x³z)(-3yz) (-3xyz)

serg [7]

Answer:

$-\frac{x^2y^2}{2}$

Step-by-step explanation:

We have an extremely large equation and are asked to divide it, so let's solve it step-by-step :

Remove the parenthesis to make it easier to read :

$\frac{-3x^3 *2x^3y^4z *3z^2}{4x^3z*3yz*3xyz}$

Multiply the numerators :

$\frac{-18x^6y^4z^3}{4*3*3x^3yyzzz}$

Multiply the denominators :

$\frac{-18x^6y^4z^3}{36x^4y^2z^3}$

Apply the negative rule :

$-\frac{18x^6y^4z^3}{36x^4y^2z^3}$

Cancel the common factor which is 18 :

$-\frac{x^6y^4z^3}{2x^4y^2z^3}$

Apply the addition exponent rule :

$\frac{y^4z^3x^{6-4} }{2y^2z^3}$

Subtract :

$\frac{x^2y^4z^3 }{2y^2z^3}$

Apply the rule for y :

$\frac{x^2y^{4-2} z^3 }{2z^3}$

Subtract :

$\frac{x^2y^2z^3 }{2z^3}$

Cancel the common factor of z^3 :

$-\frac{x^2y^2}{2}$

5 0

3 years ago

How do you know the value of x?

lidiya [134]

To find the value of X you would have to solve the equation.
Example: for question 2

5 0

3 years ago

A diver’s final score is 77.7. What is the degree of difficulty of the dive?

krek1111 [17]

Answer: x = 129.5

Step-by-step explanation: f=final score

x= 77.7

x/0.6=f

x=0.6f

x.0.66 x 77.7

x=129.5

5 0

3 years ago

City planners are planning to build a new community park. They agree that the park will be rectangular in shape, but the propose

podryga [215]

Answer:

Step-by-step explanation:

The area of the rectangular park will be the product of its length and width. This relation is used to write an equation to find the original width of the park.

<h3>Width</h3>

Let w represent the original width of the park in meters. The new width is 4.7 meters more, so is represented by (w +4.7).

<h3>Other dimensions</h3>

The length of the park is given as 21.6 meters. The area is given as 714.96 square meters.

<h3>Area formula</h3>

The various dimensions of the park are related by the area formula:

A = LW

714.96 = 21.6(w +4.7)

4 0

2 years ago

2 kitchen assistants can prepare 10 kg of vegetables in 60 minutes. How long would it take 20 assistants to prepare the same amo

Hatshy [7]

2 times 60 is at least 120 minutes. So, if 20 assistants prepare the same amount. We would have to divide 120 minutes to 20 assistants. So the answer would be 6 minutes.

6 0

4 years ago