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3 years ago

Please help me solve number 1. Urgent.

Mathematics

1 answer:

Neko [114]3 years ago

5 0

Answer:

x^-(3/2) which is (1)

Step-by-step explanation:

squared root of x³ is basically x^(3/2)

And if the question is 1/x^(3/2), then you can simply answer x^-(3/2) which is (1)

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Which property is demonstrated <br> 9 * 3 * 4 = 4 * 3 * 9

mr_godi [17]

The commutative property of multiplication.

4 0

3 years ago

Kelsey had 8 entries in her science journal. Last week, she wrote x more entries. How many entries are in her science journal no

In-s [12.5K]

Answer:

Kelsey has 8 plus more entries

8 + x

5 0

2 years ago

Quick plz help asap marking brainliest for first answer as long as you include steps !!!

Akimi4 [234]

Answer:

a=2.48

c=9.52

Step-by-step explanation:

a+c=12

4a+7.5c=72.5 Given

a+c=12

-4a-7.5c=-72.5 multiply the equation by negative 1

-3a-6.5c=-60.5 simplify

-3a=-60.5+6.5c add 6.5c to both sides

a=-20.17+2.17c divide it by 3

now you would take that equation and plug it into an equation you already have since you have something to plug in for a, the easiest one to do is a+c=12

(-20.17+2.17c)+c=12 plug in the equation

-20.17+3.17c=12 simplify by solving for c

3.17c=30.17 add 20.17 to both sides

c=9.52 divide both sides by 3.17

now since you have found c, you can plug it in to you equation to solve for a now (use the ones from the second step). I am using the equation a+c=12.

a+9.52=12 plug in the variable and solve for a

a=2.48 subtract 9.52 to both sides

a=2.48

c=9.52

7 0

3 years ago

Pllllllllllllllllllllllllllllssssssssssssssssssssssssssss

cupoosta [38]

Answer:

50.24 units^2

Step-by-step explanation:

Area of circle formula: $\pi$ r^2

r = 4, $\pi$ = 3.14

3.14 * (4^2) = 3.14 * 16 = 50.24

5 0

2 years ago

Read 2 more answers

In kilometers, the approximate distance to the earth's horizon from a point h meters above the surface can be determined by eval

Maslowich

In kilometers, the approximate distance to the earth's horizon from a point h meters above the surface can be determined by evaluating the expression

$d= \sqrt{12h}$

We are given the height h of a person from surface of sea level to be 350 m and we are to find the the distance to horizon d. Using the value in above expression we get:

$d= \sqrt{12*350}=64.81$

Therefore, the approximate distance to the horizon for the person will be 64.81 km

8 0

3 years ago