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3 years ago

Please help!!!!!!!!!!!!!!!!

Mathematics

1 answer:

krek1111 [17]3 years ago

7 0

Answer:

Step-by-step explanation:

There are 5+6+4+7+5+3 = 30 total

Girl who likes burgers = 6

P(Girl who likes burgers) = 6/30 = 1/5 = .2

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Silcon-28 has a mass-per-nucleon of 1.003 amu. Iron-56 has a mass-per-nucleon of 0.99723 amu. Cadmium-112 has a mass-per-nucleon

Ber [7]

Answer:

Step-by-step explanation:

4 0

3 years ago

What is the mean of this data set? 74, 81, 77, 88 *

Yanka [14]

Answer is 160

explanation: add all of them up and divid by how many numbers are in the data set
74+81+77+88=320
then divid 320 by 4 =160

4 0

3 years ago

Can someone please help me (6th grade math) please and thank you!

Assoli18 [71]

Answer and Step-by-step explanation:

First, you create an expression that equals the perimeter of the shape.

5r + 2s + 3r + 2s + 5r + 2s + 3r + 2s

Simplify

16r + 8s

Now we look at the students' expressions.

I can see that Brain's expression is equivalent to perimeter of the shape. Do you know why?

It is because his answer is the un-distributive version of our answer.

He simply took out the common number that is in 16 and 8, which 8.

So, Brian is correct.

#teamtrees #PAW (Plant And Water)

7 0

3 years ago

Et f(x) = x2 + 6 and g(x) g(x) x+8/x . Find ( g o f)( -7)

earnstyle [38]

Answer:

Step-by-step explanation:

A function composition is where one function is substituted within another function and is written g(f(x)). Here we will substitute f(x) into g(x). For g(f(-7)), we substitute -7 for x.

$\frac{x^2+6+8}{x^2+6}$

Now substitute -7 for x.

$\frac{x^2+6+8}{x^2+6} = \frac{(-7)^2+6+8}{(-7)^2+6}=\frac{49+6+8}{49+6}=\frac{63}{55}$

6 0

4 years ago

Find the distance and midpoint for the points (3,4) and (19, 16).

Goryan [66]

Given parameters:

Coordinates of the points = (3,4) and (19, 16)

Unknown:

The distance between the points = ?

The midpoint = ?

Solution:

The distance between two points can be mathematically solved using;

D = $\sqrt{(x_{2} - x_{1})^{2} + (y_{2} - y_{1})^{2} }$

where x₁ = 3, x₂ = 19 and y₁ = 4, y₂ = 16

Input the parameters and solve;

D = $\sqrt{(19 - 3)^{2} + (16 - 4)^{2} }$ = 20

Midpoint;

The expression is given as;

x $_{m}$ , y $_{m}$ = $\frac{x_{1} + x_{2} }{2}$ , $\frac{y_{1} + y_{2} }{2}$

input the parameters and solve;

= $\frac{3 + 19}{2}$ , $\frac{4 + 16}{2}$

= 11 , 10

The midpoint is (11, 10)

8 0

4 years ago