MATHEMATICS MIDDLE SCHOOL

What is 1/10 of 3,000

Answers

Answer 1
Answer: 1/10 of 3000 is equal to 300
Answer 2
Answer:

Answer:

300

Step-by-step explanation:

You take your 3000 and write it down. When you are dividing numbers and fractions, you divide by the bottom and multiply by the top. Following this, we know that 1/10 is equal to divided by 10.  You now go back to that paper and look at your 3000. Divided by 10 is just moving the decimal point one to the left. that leaves you with 300.0, or 300.

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Michelle has eight pencils Michael has nine pencils Less how many pencils does Michelle have

Answers

Answer:

-1

Step-by-step explanation:

Because 8-9=-1

you can drive 512 miles on a tank of gas if you have a 16 gallon tank how many miles can you drive on one gallon of gas

Answers

512 miles/ 16 gallons= 32 miles per gallon, so you can drive 32 miles

(4.8x+15.5)+(2.1x-12.2)

Answers

you can drop the parentheses because you cant use them.
 
So we combine like terms first
1.8x + 2.1x = 3.9x

3.9x + 15.5 -12.2

3.9x + 3.3

hope i helped :)
(4.8x+15.5)+(2.1x-12.2)                                                                                       (4.8x+2.1x)+(15.5-12.2)                                                                                              6.9+3.300                                                                                                                                             hope I helped

The number 450 is increased by 75%. The result is then decreased by 90%. What is the final number?

Answers

Answer:

The final number is 78.75

Step-by-step explanation:

we know that

1) The number 450 is increased by 75%

The number 450 represent 100%

Remember that

100\%+75\%=175\%=175/100=1.75

so

The increased number is

450(1.75)=787.5

2) The result is then decreased by 90%

In this moment

787.5 represent the 100%

Remember that

100\%-90\%=10\%=10/100=0.10

The decreased number is

787.5(0.10)= 78.75

therefore

The final number is 78.75

In 1894, women were granted the right to vote in South Australia.By 2009, women in South Australia will have been able to vote for
A. 113 years.
B. 115 years.
C. 125 years.
D. 215 years.

Answers

2009 - 1894 = 115

That appears to be the same number as
the one that appears in Choice-'B'.

X varies directly with Y and Z. x = 40 when y = 10 and Z = 20. find X when y = 30 and Z = 40.​

Answers

Answer:

x = 60

Step-by-step explanation:

Direct variation is of the form

y= kxz

We know x =40 and y =10 and z= 20

10 = k * 40 * 20

10 = k * 800

Divide each side by 800

10/800 = k

1/80 = k

The equation becomes

y = 1/80 xz

Let y = 30 and z = 40 and find x

30 = 1/80 * x * 40

30= 40/80 x

30 = 1/2x

Multiply each side by 2

2 * 30 = 2 * 1/2 x

60 = x
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