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andrezito [222]
3 years ago
8

Which algebraic represent 15 less than x divided by 9

Mathematics
2 answers:
polet [3.4K]3 years ago
6 0
X/9 - 15
X divided ( / ) by 9 minus ( - ) 9
svet-max [94.6K]3 years ago
4 0

15 < x \div 9
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A triangle is 3cm wider than it is tall. The area is 44cm^2. Find the width(length of the base).
stich3 [128]
Set height to x, then length of base is x+3, Area formula says that
0.5*x*(x+3)=44, x(x+3)=88, x=8, x+3=11, which is the length you are looking for (11cm)
8 0
3 years ago
Devyn sold 15 boxes of cookies this week. This is 7 more than he sold last week. How many boxes did he sell last week?
jonny [76]

8, 15 - 7 = 8 thats correct


8 0
3 years ago
H(x) = x2 + 3x – 2; 12 - h(7)10​
nikitadnepr [17]

Answer:

2x + -10 = 10 + -3x

Reorder the terms:

-10 + 2x = 10 + -3x

Move all terms containing x to the left, all other terms to the right.

Add '3x' to each side of the equation.

-10 + 2x + 3x = 10 + -3x + 3x

Combine like terms: 2x + 3x = 5x

-10 + 5x = 10 + -3x + 3x

Combine like terms: -3x + 3x = 0

-10 + 5x = 10 + 0

-10 + 5x = 10

Add '10' to each side of the equation.

-10 + 10 + 5x = 10 + 10

Combine like terms: -10 + 10 = 0

0 + 5x = 10 + 10

5x = 10 + 10

Combine like terms: 10 + 10 = 20

5x = 20

Divide each side by '5'.

x = 4

hope dis helps <3

8 0
3 years ago
The diagram shows a circle inside a square.<br> a<br> 16 cm<br> Work out the area of the circle.
Aliun [14]

Answer:

Side of square=Diameter of circle=16

Radius= Diameter/2=16/2=8

Area of circle=4Πr²

=4*3.14*8²

=803.84cm²

3 0
3 years ago
aul bought 9 total shirts for a total of $72. Tee shirts cost $10 and long sleeve shirts cost $7. How many of each type of shirt
vodomira [7]

Set up a system of equations:


\text{Total shirts bought}

x + y = 9


\text{Total cost}

10x + 7y = 72


x represents how many tee shirts were bought, and y represents how many long sleeve shirts were bought.


For the first equation, subtract y from both sides to get x by itself:


x = 9 - y


We'll now use substitution. Since x is equal to a value, we can substitute this value for the other equation:


10(9-y) + 7y = 72


Distribute the 10 to both terms in parentheses:


10 \times 9 = 90

10 \times -y = -10y


90 - 10y +7y = 72


Combine like terms:


-10y + 7y = -3y

90 - 3y = 72


Subtract 90 from both sides:


-3y = -18


Divide both sides by -3 to get y by itself:


y = 6


6 long sleeve shirts were bought.


Now you have a value for y. Input this value into the first equation:


x + 6 = 9


Subtract both sides by 6 to get x by itself:


x = 3


3 tee shirts were bought.


The answer is B. 3 tee shirts and 6 long sleeve shirts.

4 0
3 years ago
Read 2 more answers
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