MATHEMATICS MIDDLE SCHOOL

If the pet store had 10 more birds the number of dogs would be double the number of birds what numbers should be on the scale

Answers

Answer 1
Answer:

The number of birds that should be on the scale is 20 birds

  • Let the number of birds be x
  • Let the number of dogs be y

Given the following parameters

Number of birds in the pet store = 10 birds

If the number of dogs would be double the number of birds, then;

y  = 2x

y = 2(10)

y = 20

Hence the number of birds that should be on the scale is 20 birds

Learn more here: brainly.com/question/11909547
Answer 2
Answer: If there were 10 dogs then there would be 20 birds

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Michelle has 5coins worth 75 cents what coins did she have?

Answers

we need to divide the total cents by the amount of coins so that we know how much each coin is worth:
75/5 = 15
but there aren't coins worth 15 cents.
So lets accomodate the total in known coins:
1 cent, 5 cents, 10 cents, 25 cents, 50 cents.
take this combination:
2(25) + 2(10) + 1(5) = 50 + 20 + 5 = 75
so she could have 2 coins of 25 cents, and 2 coins of 10 cents, and 1 coin of 5 cents
One possibilities there is that there is:
2 quarters
2 dimes
1 nickel

25 + 25 + 10 + 10 + 5 = 75

Mr.Rivera teaches 6 classes per day. Each class has 15 students. After school , he coaches the baseball team. There are 12 students on the baseball team that do not have his class with him. How many students does Mr.Rivera work with each day.

Answers

6 classes with 15 people in each, So 15*6 = 90 . Then another 12 for his baseball team which is 102 students each day

it costs $13 for admission to an amusement park, plus $1.50 for each ride. if you have a total of $35.50 to spend, what is the greatest number of rides you can go in ?

Answers

u should come up with the equation 13+1.50x=35.50 
the x representing the amount of rides and the one point five represents the cost of the rides
solve the equation and it should give u the answer which should be x=15.
the amount of rides is 15 rides after paying for the entrance
In this problem situation you have three factors that give you the "guidelines" of your equation you must find in order to find the amount of the amount of rides you can go on.
Since you have to pay $13 in order it enter the amusement park, you would automatically subtract $13 from your set budget. This leaves us $22.50 as your budget.
1) 35.5-13=22.5
Now you simply divide your budget by $1.50 because you want to see how many rights you can fit in your budget.
2) 22.5/1.5=15
You can ride 15 rides with a budget of $35.50
3) 15 rides

Choose yes or no to tell whether the expression represents a 20% discount off the price of an item that originally costs d dollars.

Answers

Answer:

Option A and C is correct.

Step-by-step explanation:

Discount is defined as a reduced price on something being sold or at a price lower than that item is normally sold for.

For a 20% discount,

Given:

Initial prices = $ d

Discounted price = % discount × original/initial cost

= 20/100 × d

= 0.2 × d

Selling price = original cost - discounted price

= d - 0.2d

= 0.8 × d

= 0.8d

Answer:

A: Yes

B:No

C: Yes

D: No

Step-by-step explanation:

I got 100% on the test with this question. Trust me.

create a list of data with at least six numbers that has an interquartile range of 15 with two other outliers

Answers

25,44,50,50,51,52,53,54,55,60,60,62,79

a satellite moves at a speed of about 27,000 kilometers per hour.write four numbers that could be the actual speed of the satellite

Answers

Pie is my answer. Or dose have to be 4 letters
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