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Greeley [361]
3 years ago
11

OK so im really bad at math im learning decimal place value and can u tell me whats one hundred three and nine tenths in standar

d form! ok ty
Mathematics
2 answers:
Free_Kalibri [48]3 years ago
7 0
The first part (one hundred and three) can be expressed the same way you'd express any integers, simply as 103.  To add the nine tenths, you simply add a nine in the tenths place, which is the digit immediately following a decimal point.  As a result, the number is 103.9.
algol [13]3 years ago
3 0
103.9
WHATEVER IS BEFORE THE DECIMAL PLACE IS ONES PLACE.
WHENEVER YOU SEE AND THEN PUT A DECIMAL POINT. HOPE THIS HELPS!!!!!!

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The length of a table is 8 times longer then it’s width. If the perimeter is 72, how wide is the table?
Andrews [41]

Answer:

4 units wide

Step-by-step explanation:

Let the width of the table be 'w'

Given:

Perimeter of the table is, P=72

The perimeter of the rectangular table is given as the sum of all the sides of the rectangle. The sides include two lengths and two widths.

Length of the table is 8 times longer than its width. Therefore,

Length,L=8w

Now, perimeter is given as:

P=2L +2w\\P=2(8w)+2w\\P=16w+2w\\P=18w\\w=\frac{P}{18}

Now, plug in 72 for 'P' and solve for 'w'. This gives,

w=\frac{P}{18}\\\\w=\frac{72}{18}\\\\w=4

So, the table is 4 units wide.

6 0
3 years ago
Help please! 20 points!
vladimir1956 [14]

x+100+3x=180\\4x=80\\x=20

5 0
3 years ago
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Monica [59]

Answer:

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7 0
3 years ago
Greg’s sister Ava is 4 years older than him. If the sum of Greg’s age and 2 times Ava’s age is 35, How old is Ava?
Fofino [41]

Answer:

13

Step-by-step explanation:

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Parentheses: g+2(G+4)=35

Distributive property: g+2g+8=35

Combine like terms: 3g+8=35

Subtractive property: 3g=27

Division property: g=9

Greg is 9. Since Ava is 4 years older you add 4 to find her age. Ava is 13. You take Ava’s age times 2 ( equals 26) then add Greg’s age (equals 35). And it should equal 35.

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2 years ago
Radius of the circle is 8cm, find the volume and surface area
nasty-shy [4]

Answer:

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