MATHEMATICS MIDDLE SCHOOL

10x-9y=24
Y=x-2
X=
Y=

Answers

Answer 1

Answer:

Step-by-step explanation:

10x-9y=24....(1)

y=x-2...(2)

Substitute (2) into (1)

10x-9(x-2)=24

10x-9x+18=24

x+18=24

Substrate 18 from both sides

x=6

Substitute the value of x in (2)

y=6-2

y=4

When x=6,y=4

Answer 2

Answer: X equals 6 and Y equals four

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12% of 72 is what number ?

Answers

On your calculator:

12/100*72=8.64

Therefore,

8.64 is 12% of 72.

12% of 72 is 8.64.

The required number is 8.64.

To find 12% of 72, you can use the following formula:

Percentage = (Percentage Value / 100) * Total Value

Where:

Percentage is the percentage you want to find (in this case, 12%).

Total Value is the whole amount (in this case, 72).

Let's calculate it:

Percentage = (12 / 100) * 72

To find 12% of 72, first, convert 12% to a decimal by dividing it by 100:

Percentage = 0.12 * 72

Now, multiply the decimal by 72:

Percentage = 8.64

So, 12% of 72 is 8.64.

To learn more on percentage click:

brainly.com/question/13450942

#SPJ6

without looking not picking a red hat from a box that holds 20 red hats, 30 blue hats, 15 green hats, and 25 white hats

Answers

there are 90 hats all together. from just red the fraction is 20/90. 20 divide by 90 = .22
there is a 22% chance.

Answer:

the box

Step-by-step explanation:

I need help with question 3 a,b,c,d pleaseeee pleaseee

Answers

Hope this helps some

What is the simplest form of the expression (14.2a + 9.8b) – (13.1b – 0.2a) – (3.7a + 4.8b)?10.7a – 8.1b

10.7a Plus 27.7b

18.1a Minus 8.1b

18.1a Plus 27.7b

Answers

So,therightanswerisofoptionA.

Lookattheattachedpicture⤴

Hopeitwillhelpu...

Answer:

Step-by-step explanation:

5/10 + 8/100= ?
13/100, 40/100, 58/100, 6/10

Answers

Answer:

58/100

Step-by-step explanation:

The first step is to make the two fractions have a common denominator. 5/10=50/100. Now you can add the two fractions together. 50/100+8/100=58/100. Hope this helps!

58 / 100 is the answer

PLEASE HELP QUICKLYWhich is the graph of y =
√x-5-1 ?
graph A
graph B
graph C
graph D