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gavmur [86]
2 years ago
10

I need help understanding this!

Mathematics
2 answers:
liubo4ka [24]2 years ago
6 0

The basic idea is that multiplying by 10 just moves the decimal point one place to the right.  It makes the number bigger.

4.8 x 10 = 48

4.8 x 10 x 10 = 48 x 10 = 480

Each time you multiply by another 10, the decimal point moves one more time.

The expression 10^5 says you're going to multiply by 10 five times in a row.  So that will move the decimal point 5 places to the right.

So what do you get if you move the decimal in 4.8 five places to the right?

AveGali [126]2 years ago
4 0

Answer:

480,000

Step-by-step explanation:

Move the decimal point to the right 5 units:)

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10 more than 2 times a number is equal to 2 times the number plus 50. What is the number?
PSYCHO15rus [73]

Answer:

y = 40 is the answer

Step-by-step explanation:

Let the number be y

10 more than 2 times a number = 10 + 2×y

equal to 2 times the number plus 50. = 2 × y + 50

10 + 2y = 2y + 50

combine the like terms

2y - 2y =50 - 10

0 = 40

the number supposes be 40 but the number is represented by 0

i think some thing is missing in your question

y supposes be 40 not 0 = 40

Hope this helps!

3 0
3 years ago
The cube of the difference of a number and 4
lbvjy [14]

Answer:

(x - 4)³

Step-by-step explanation:

"The cube of x" would be x³.  The difference of a number and 4 would be x - 4.

Therefore, "the cube of the difference of a number and 4" would be

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6 0
3 years ago
I need help geometry final part 1
joja [24]

Answer:

See below

Step-by-step explanation:

1. Given

2. Given

3. Definition of supplementary angles (add up to 180)

4. Substitution Property (substitute 112 in for angle 1)

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4 0
2 years ago
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2 years ago
7.) A bag of 8 apples costs $1.50 at Sam's Orchard,
const2013 [10]

Answer:

a) 3.375 cents

b) 26  Apples

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b) divide 5 by .1875 to get your 26.6666667 Apples, which would round down because you can't have .6666667 of an apple

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