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Andrews [41]
3 years ago
10

There are two mystery numbers. The sum of 7 times the first number and 5 times the second number is -11. The sum of 10 times the

first number and 8 times the second number is -20. What are the two numbers?
Mathematics
1 answer:
AlekseyPX3 years ago
8 0
First is 2, second is -5
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2x + 2x + 2 = 4x + 2​
tamaranim1 [39]

Answer:

2x+2x+2=4x+2

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Step-by-step explanation:

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Chen’s house is 53 years old. This is 5 more than twice the age of Sunny’s house, h.
tankabanditka [31]

Answer:

The Equation which shows the equality is 53 = 2 h + 5 ,

The age of Sunny's house is 24 years old

Step-by-step explanation:

Given as ;

The age of the house of Chen's is 53 years old

Let the age of of the house of sunny = h years old

So, according to question

Chen's house age is 5 years more than twice the age of sunny's house

I.e Chen's house age = 2 × sunny's house age + 5

Or, 53 = 2 × h + 5

or,  2 × h = 53 - 5

so . 2 × h = 48

∴    h = \frac{48}{2} = 24 years

Hence The Equation which shows the equality is 53 = 2 h + 5 , And The age of Sunny's house is 24 years old .  Answer

5 0
3 years ago
Y= − 2 ( x − 2 ) ( x + 8 ) −2(x−2)(x+8) in standard form
Harlamova29_29 [7]

Answer:

y=-4x^{2} -24x+64

Step-by-step explanation:

y=-2(x-2)(x+8)-2(x-2)(x+8)

y=-2x^{2} +12x+32-2(x-2)(x+8)

y=-2x^{2} -12x+32-2x^{2} -12x+32

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The ability to figure cash transactions is a fundamental skill needed at home and on the job?
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Hey!

The Correct Answer Is: True.
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