4 years ago

Numbers like 10 100 and 1000 and so on are called

Mathematics

1 answer:

Tresset [83]4 years ago

3 0

They're called numbers. lollll

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A bag contains 10 marbles: 4are green, 2are red, and 4 are blue. Carmen chooses a marble at random, and without putting it back,

kupik [55]

Answer:

2/15

Step-by-step explanation:

There is a 4/10 probability that she chooses blue the first time, but the second time it is a 3/9 chance because she didn't put the marble back so there are 9 marbles in total, 3 blue ones.

4/10 x 3/9 = 2/5 x 1/3 = 2/15

I hope this helps :)

Edit: Messed up the multiplication, whoops!

4 0

3 years ago

Read 2 more answers

Put the equation in standard form with a positive x coefficient. 2y+5=-4(x+2)

umka21 [38]

The standard form of equation is: 4x+2y = -13

Step-by-step explanation:

the standard form of a linear equation in two variables is given by:

$ax+by = c$

Given equation is:

$2y+5=-4(x+2)$

Distributing -4 into the round bracket

$2y+5 = -4x-8$

Adding 4x on both sides

$4x+2y+5 = -4x-8+4x\\4x+2y+5 = -8$

subtracting 5 from both sides

$4x+2y+5-5 = -8-5\\4x+2y = -13$

The standard form of equation is: 4x+2y = -13

Keywords: Linear equation, variables

Learn more about linear equations at:

#LearnwithBrainly

6 0

3 years ago

If 3/x = 5/y , what is the value of y/x?<br><br><br> (15 POINTS AND FREE BRAINIEST ANSWER!!)

Novay_Z [31]

3/x=5/y multiply both sides by y

3y/x=5 divide both sides by 3

y/x=5/3

8 0

3 years ago

Read 2 more answers

21/7 unit rate and equation

Vinil7 [7]

Unit rate is 3. equation is 21÷7=3

5 0

4 years ago

Mark owns a shoe store. he buys shoes for 80$ and marks them up 40%. what Is the selling price

amid [387]

Answer:

It should be like $112

Step-by-step explanation:

$80 times 40% is $32.

Since it is marked up, you add 80 more to 32.

80 + 32 = x

112 = x

3 0

3 years ago