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horsena [70]
2 years ago
5

Please help me with number 9 :(

Mathematics
1 answer:
nata0808 [166]2 years ago
5 0

Answer: I think he had started with 60 chips!

<em>have a good day/night! :D</em>

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4x-3y=2<br> 3x=5y=16<br> solve using substitution method
vodomira [7]

\left\{\begin{array}{ccc}4x-3y=2&|\text{add 3y to both sides}\\3x+5y=16\end{array}\right\\\left\{\begin{array}{ccc}4x=3y+2&|\text{divide both sides by 4}\\3x+5y=16\end{array}\right\\\left\{\begin{array}{ccc}x=0.75y+0.5&(*)\\3x+5y=16\end{array}\right\\\\\text{substitute}\ (*)\ \text{to the second equation}\\\\3(0.75y+0.5)+5y=16\qquad\text{use distributive property}\\\\(3)(0.75x)+(3)(0.5)+5y=16\\\\2.25y+1.5+5y=16\qquad\text{subtract 1.5 from both sides}\\\\7.25y=14.5\qquad\text{divide both sides by 7.25}

\boxed{y=2}\\\\\text{substitute the value of y to}\ (*):\\\\x=0.75(2)+0.5\\\\x=1.5+0.5\\\\\boxed{x=2}\\\\Answer:\ x=2\ and\ y=2\to(2,\ 2)

7 0
2 years ago
If triangle EFG is shifted ten units to the left, what are the new coordinates of vertex E?
KiRa [710]
A -3 subtracted by 10 is -13 and it stays 2
8 0
3 years ago
A pyramid has a base area of 44cm and a height of 12.6 cm what is the volume of the pyramid ?
aliya0001 [1]

Answer:

184.8 cubic cm

Step-by-step explanation:

The formula for the volume of a pyramid is

V = (1/3)(B)(h)      where B is the area of the base, and h is the height

We are given B = 44 cm² andh = 12.6cm  

Plug them into the formula and simplify...(I'm assuming you are allowed to use a calculator for these problems)

V = (1/3)(44cm²)(12.6cm)

<h2>     V = 184.8 cm³  or 184.8 cubic cm</h2><h2 />
7 0
3 years ago
The equation y-12 describes the amount of money Anothny earns, where x is the number of hours he works and y is the amount if mo
Burka [1]

Answer=15X

$45/3 hours = $15/hour


(b) To see how much Louis makes per hour, simply plug in 1 for the hours value x:


y = 12(1 hours)


y = $12/hour


Thus Carl makes more than Louis.


(c) The equation of Carl's dollars per hour is similar to Louis':


3 0
3 years ago
Solve for n, t=m+n need help to this problem asap thanks ,
loris [4]
T=m+n
m+n=t
n=t-m (In terms of n)
8 0
3 years ago
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