MATHEMATICS MIDDLE SCHOOL

Complete the equation below to make it true. Hint: Think about place value.8,439 = 9 + ___ + 30 +___

Answers

Answer 1
Answer: 1 blank needs to be 8,000 and the other 400!

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Which of the following statements is not true? 15 = 3 × 5 18 = 2 × 3 2The GCF of 15 and 18 is 5. The LCM of 15 and 18 is 90.

What is -5/6 divided by 9/10?A. -27/25

B. -4/3

C. -3/4

D. -25/27

Answers

-(5)/(6) ÷ (9)/(10)

First, apply the rule (easiest way if you have learned it): a ÷ (b)/(c) = a × (c)/(b)
- (5)/(6) × (10)/(9)
Second, apply the last rule: (a)/(b) × (c)/(d) = (ac)/(bd)
- (5*10)/(6*9)
Third, multiply 5 × 10 to get 50.
- (50)/(6*9)
Fourth, multiply 6 × 9 to get 54. 
-(50)/(54)
Fifth, find the GCF of 50 and 54.
The GCF should be 2.
Sixth, divide the numerator by the GCF. 
50 ÷ 2 = 25
Seventh, divide the denominator by the GCF.
54 ÷ 2 = 27
Eighth, now put 25 and 27 together to get the simplified fraction.
- (25)/(27)

Answer as fraction: -(25)/(27)
Answer as decimal: 0.9259

Please help me work plz

Answers

Answer:

3.68

Step-by-step explanation:

Answer:

3.68

Step-by-step explanation:

you put the higher number on top then you take out the decimal. when you do the math, then you count how many numbers are in the decimal area and put the demimals how many numberes it is.

Len walks 3/10 mile in the morning. He walks 2/5 mile in the afternoon to a friends house. Len says that he walks a total of 5/15 mile in the morning and afternoon

Answers

No he walks 7/10 of a mile
you have to make 2/5 have a common denominator with 3/10
so 2×2=4 (numerator)
2×5=10 (denominator)
4/10+3/10= 7/10
since you only add the numerator because the denominator makes it a like term

What are the steps to write 36/10 as a decimal

Answers

The steps to write 36/10 as a decimal is to first to do long division and by doing division you get 3.6. I hope this helps!
The number 36 is really 36.000000... with infinite zeroes 
so to divide by ten move the decimal one place to the left 
so 36/ 10= 3.6

0.025 0.25 0.205 0.052 order smallest to biggest

Answers

0.025, 0.052, 0.205, 0.25 I believe.  It's been awhile since I've been in Middle School, though. :(

Each letter represents a different digit from 1 to 9. If R=4, what number does FOUR stand for

Answers

R=8\Rightarrow O=4 \vee O=9.

If O=4\Rightarrow T=2 \vee T=7.
But none two three-digit numbers starting with 2 give a four digit number as a result when added up, therefore T=7 \Rightarrow F=1

There's W and U left.
W can't be equal to 0, because this would mean also U=0 and each letter is supposed to represent a different digit.
W can't be equal 1, because F=1.
W can't be equal 2, because U would be equal 4, and already O=4
W=3 seems to be a fine digit, because then U=6 and 6 hasn't been used yet.
So FOUR=1468.

It's possible that there are more solutions (for the rest values of W and for O=9, but I don't want to check for them :D
And sorry for my laconic explanation. I suck at this, especially in English :P
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