MATHEMATICS MIDDLE SCHOOL

SIMPLE PROBABILITY

what did i do wrong?
(the answer in read is the correct answer)

Answers

Answer 1

Answer:

Answer:

The answer is x = 97*192000/600 = 31040

Step-by-step explanation:

Because $(x)/(192000) =(97)/(600)$

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Answers

The answer to this question is D

I think the answer is d I did the math but I’m not shure

for lunch britney has a choice of a hot dog, a hamburger, or pizza and a choice of an apple, a pear, or grapes. what are all the possible choices of lunch she can have? how many outcomes are in the sample space

Answers

The correct answer is 9

What is permutation and combination?

A permutation is an act of arranging the objects or numbers in order.
Combinations are the way of selecting the objects or numbers from a group of objects or collection, in such a way that the order of the objects does not matter.

How to solve this problem?

The steps are as follow:

We need to select any one from pizza , hamburger or hotdog = 3C1
We need to select any one from pear , grapes or an apple = 3C1

Therefore the possibilities are 3C1*3C1 = 3!/1!(3-1)!*3!/1!(3-1)!

= 3*2!/1*2! *3*2!/1*2! = 3*3 = 9

Therefore , the number of possibilities is 9

Learn more about Permutation and combination here

brainly.com/question/11732255

#SPJ2

Hot dog and apple
Hot dog and pear
Hot god and grapes
Hamburger and apple
Hamburger and pear
Hamburger and grapes
Pizza and apple
Pizza and pear
Pizza and grapes.

There are 9.

I need help NOW!!!!!! Thanks!D
Parallelogra
Base (units) Height (units) Area (units)
m
A
4
6
A-24
B
5
3
A-15
C С
D
Any
Parallelogra
m
b
h
A= bh

Answers

Answer:

Answer: Good thing you provided the image!

Working down the columns:

C base= 2

D base = 4

C height =3

D height = 2

C area = bh = 8

D area = bh = 8

Step-by-step explanation:

Try thinking about drawing a rectangle around the entire image of C and D, connecting each of the corners (sort of like what is being done for B) and then you can perceive the b and h.

The trick to D is to turn your head 90 degrees (or sideways) so you can see those 4 boxes as the base.

Step-by-step explanation:

3. Matt bought 12 packages of hot dogs and hamburgers for a barbecue. Let x represent the number of packages of hot dogs, which cost $2.75 each. Let y represent the number of packages of hamburgers, which cost $3.20 each. Matt spent a total of $35.25. Write and solve a system of equations that can be used to represent the amount of hot dogs and hamburger packages Matt bought. Are there any constraints on your variables? Is the solution viable or non-viable?

Answers

Answer:

Matt bought 7 packages of hot dogs and 5 packages of hamburger.

Step-by-step explanation:

We are given the following in the question

Let x represent the number of packages of hot dogs.

Cost of one packet of hot dog = $2.75

Let y represent the number of packages of hamburgers

Cost of one packet of hamburgers = $3.20

Then, we can write the following equations:

$x + y = 12\n2.75x + 3.2y = 35.25$

Solving the two equations,

$2.75x + 2.75y = 33\n2.75x + 3.2y = 35.25\n\Rightarrow 0.45y = 2.25\ny = 5\nx = 7$

Thus, Matt bought 7 packages of hot dogs and 5 packages of hamburger.

The solution is viable.

Constraints to the system of equation:

$x,y \geq 0 \nx + y = 12\n2.75x + 3.2y = 35.25$

***Please help with this***
~Thank you :)

Answers

-- You know that the area of every rectangle is (its length) times (its width).

-- Area of the screen you have now = (10.8cm) x (6.1cm) = 65.88 cm²

-- Area of the screen on the new phone = (12.4cm) x (6.9cm) = 85.56 cm²

Say ! Are you supposed to write an equation to find the difference ?
OK.
Difference = (L₂W₂) - (L₁W₁)

L₂ and W₂ are the length and width of the new phone

L₁ and W₁ are the length and width of the phone you have now.

I'm sure that if you want to know what the difference is, you can
use that equation to find it.

Concerning the question in the blue box: I guess "Write an Equation"
was not a very effective strategy for solving this problem. Not only
did you not write an equation, you didn't even mention that an
equation was supposed to be written when you posted it. You just
kind of shied away from the whole subject.

Looking over the choices, I'd say that my equation allows you to use
the numbers given in the problem to calculate the unknown.

What is 2 1/3 + 1 2/3?