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Zinaida [17]
3 years ago
10

Need help

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
3 0

Answer: the answer is 80. Hope this helps

Step-by-step explanation:

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What is the value of the 2 in 7,239,103
jarptica [38.1K]

Answer:

(2x100,000) 200,000,00

Step-by-step explanation:

200,000

4 0
3 years ago
Read 2 more answers
Solve the system of equations.<br> <img src="https://tex.z-dn.net/?f=%5Cleft%20%5C%7B%20%7B%7By%3D220x-160%7D%20%5Catop%20%7By%3
Leni [432]

\begin{cases} y=220x-160\\ y=20x^2-400 \end{cases}\qquad \qquad \stackrel{\textit{substituting on the 2nd equation}}{\stackrel{\textit{\Large y}}{220x-160}~~ = ~~20x^2-400} \\\\\\ -160=20x^2-220x-400\implies 0=20x^2-220x-240 \\\\\\ 0=20(x^2-11x-12)\implies 0=x^2-11x-12 \\\\\\ 0=(x-12)(x+1)\implies x= \begin{cases} 12\\ -1 \end{cases}

\dotfill\\\\ x=12\qquad \qquad \stackrel{\textit{substituting on the 1st equation}}{y=220(12)-160}\implies y=2480 \\\\\\ x=-1\qquad \qquad \stackrel{\textit{substituting on the 1st equation}}{y=220(-1)-160}\implies y=-380 \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill (12~~,~~2480)\qquad (-1~~,~~-380)~\hfill

4 0
2 years ago
Which two numbers add up to 3 and are multiplied to 4
DedPeter [7]
There are no two numbers that will add up to 3 and when multiplied become 4.

However there are 2 numbers if you multiply them it is -4. And when you add them it is 3. Those two numbers would be 1 and -4
4 0
3 years ago
1 Each tire on Bruno's delivery truck weighs 48.25
Vitek1552 [10]
Answer: A. 289.5

Method: 48.25 x 6 = 289.5
3 0
3 years ago
How do you solve x3 (y-5) (x-8) (the numbers next to the variables (letters) are supposed to be exponents)
Galina-37 [17]
Y^-5
x^-5
because you have to put together all the x and then put all the y's together
7 0
3 years ago
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