MATHEMATICS MIDDLE SCHOOL

Which number line plots the integers ‚12, ‚3, and 7?​

Answers

Answer 1
Answer:

Answer:

-12 -3 and positive 7

Step-by-step explanation:

cause some integers are negative and some are positive

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if you flip three fair coins, what is the probability that the first two flips will both be heads, and the third flip will be either heads or tails?

Answers

Well, any coin has a 1/2 chance of being heads or tails, so for the first two flips to be heads it would be 1/2*1/2=1/4. Now for the third coin flip, I’m not entirely sure what it’s asking but for any one side it will always be 1/2 no matter what previous flips came out to be.
Hope this helps!

The value of y varies directly with x2, and y = 36 when x = 3.What is the value of y when x = 5?

Answers

X varies directly with Y

Y=KX
Y/X = K        K is the constant
36/3= K
12 = K


When X=5,
Y/5=12
Y= 12*5
Y=60

Identify the type of sample used. Max surveys the children who live on his street about the types of equipment they want installed at the new city playground.







A.
convenience





B.
simple random





C.
stratified random





D.
systematic

Answers

the first one is B and the second one is D
thank you :)

Fiona uses 256 fluid ounces of juice to make 1 bowl of punch.how many fluid ounces of juice will she use to make 3 bowls of punch?

Answers

There will be 768 fluid ounces because you are supposed to multiply 256 x 3 which equals 768

Which expression represents the sum of (2x-5y) and ( x+y)

Answers

2x-5y + x+y 
3x-4y 
combine like terms 

Answer:

(A) 3x - 4y

Step-by-step explanation:

A children's birthday party at an indoor play center costs $50 to rent the space and $6.25 per child. Gina wants to spend no more than $100 on her son's fourth birthday party. Write an inequality for the number of children who can attend the birthday party, and solve the inequality.

Answers

Inequality: 50 + 6.25x < 100

50 + 6.25x < 100
-50               -50
       6.25x  <  50
     ÷6.25      ÷6.25
             x < 8

Gina can only invite 8 children to attend her son's fourth birthday party and remain within the budget of $100 total cost. In excess of 8 will put Gina beyond budget by 6.50 per extra child.
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