MATHEMATICS MIDDLE SCHOOL

Solve for y.
50/90-y=5/18

Answers

Answer 1

Answer:

Answer:

y = 5/18

Step-by-step explanation:

50/90-y=5/18

Lets simplify our fractions

50/90 = 5/9 (divide top and bottom by 10)

5/9 - y = 5/18

Subtract 5/9 from each side

5/9 -5/9 -y = 5/18 - 5/9

-y = 5/18 - 5/9

We need to get a common denominator of 18

-y = 5/18 - 5/9 *2/2

-y = 5/18 -10/18

-y = -5/18

Multiply each side by -1

-1*-y = -5/18 * -1

y = 5/18

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Arrange the following numbers in ascending order: 2/9, 21%, 4.3 x 10-2, -3/5, 0.023

Answers

2/9=0.223
21%=0.21
4.3x10-2=41
-3/5=-0.6
0.023
arrange these in ascending order and you have
-3/5=-0.6
21%=0.21
0.023
2/9=0.223
4.3x10-2=41

so in ascending order they are
-3/5, 21%, 0.023, 2/9, 4.3x10-2

hope this helps :)

Guests at a pizza party are seated at three tables. The small table has 8 seats and 3 pizzas. The medium table has 10 seats and 4 pizzas, The large table has 14 seats and 6 pizzas. The pizzas at the table are shared equally. At which table does a guest get the most pizza? the medium? large? or small?

Answers

Answer:

the small table

Step-by-step explanation:

i took the test

The medium table will give you the most amount of pizza because you will get 1/5 of the total amount of pizza

First term 2 common difference 13

Answers

Answer:

With the first term is 2 and common difference is 13 then the series is 2,15,28,...

Step-by-step explanation:

Given first term is 2 and common difference is 13.

Arithmetic progression:

$a_(1)=2$ and d=2 [given]

Therefore we can find arithmetic series $a_(1),a_(2),a_(3),...$ with $a_(1)=2$ and d=2

d can be written as $d=a_(2)-a_(1)$ . Therefore we can write $a_(2)$ as below:

$a_(2)=a_(1)+d$

Now substitute the values $a_(1)=2$ and d=2

$a_(2)=2+13$

$a_(2)=15$

Similarly we can find $a_(3)$

d can be written as $d=a_(3)-a_(2)$ . Therefore we can write $a_(3)$ as below:

$a_(3)=a_(2)+d$

$a_(3)=15+13$

$a_(3)=28$

and so on.

Therefore the series is 2,15,28,...

A coffee shop uses 4 liters of milk every day.a. If there are 15 liters of milk in the refrigerator, after how many days will more milk need to be purchased? Explain how you know.
b. If only half as much milk is used each day, after how many days will more milk need to be purchased?