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-BARSIC- [3]
4 years ago
10

What is expanded number 289 mean

Mathematics
1 answer:
natita [175]4 years ago
4 0
200
80    thats the answer 
9
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a rectangle has an area of 30 square meter and a perimeter of 34 meters. what are the dimensions of rectangle?
kow [346]
A=lw
P=2l+2w

30=lw
34=2l+2w

30=lw --> w= \frac{30}{l}

34=2l+2( \frac{30}{l}) \\ 34=2l+ \frac{60}{l}  \\ 34l=2l^2+60 \\ 2l^2-34l+60=0 \\ 2(l-2)(l-15)=0 \\ l=2, 15

30=(2)w
15=w

30=(15)w
2=w

The dimensions can either be 15 x 2 or 2 x 15.
3 0
4 years ago
What is the degree of 9
sergij07 [2.7K]

Answer:

The degree of 9 is 0

Step-by-step explanation:

5 0
3 years ago
​Kirk's goal was to save​ $300 for a trip. In the first​ week, Kirk saved​ $16 from his allowance and​ $54 from his job. He spen
Zepler [3.9K]

Answer:

160 dollars.

Step-by-step explanation:

16+54= 70

5+2=7

70-7=63

62+41=103

2+4=6

103-6=97

97+63=160

Hope this helps! ^^

6 0
3 years ago
Simplify 5(4x³y²)³/(4x⁵y³)⁴
Maksim231197 [3]

Answer:

<u>5</u>

4x^11*y^6

In words:

5 over 4x to the 11th power times y to the 6 power.

Step-by-step explanation:

simplify from original to this:

<u>5x^9*y^6</u>

4x^20*y^12

=

<u>5y^6</u>

4x^11*y^12

=

<u>5</u>

4x^11*y^6

8 0
2 years ago
A rectangular room has an area of 131 1/4 square feet. The length of the room is 12 1/2 feet. What is the width, in feet, of the
Vsevolod [243]
Before we try to solve anything, let's convert our fractions into decimals, this so if we use a calculator (or writing on paper), it will be much easier to put it.
131 1/4 = 131.25 (divide 100 by the denominator to know each 1/x value).
12 1/2 = 12.50
The formula for the area of a rectangle is L x W, or Length x Width.
Since we are looking for our width, w, we need to divide by the length.
131.25 / 12.5 = 10.5.
Our width is 10 1/2 ft.
I hope this helps!
4 0
4 years ago
Read 2 more answers
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