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otez555 [7]
4 years ago
6

theo had a balance of -$4 in his savings account. After making a deposit, he has $25 in his account. What is the overall change

in his account?
Mathematics
1 answer:
Elanso [62]4 years ago
6 0
Theo's overall change is $21 because since they are different signs of adding integers, you subtract the absolute value of the greatest to the least and the higher absolute value u use the same sign as 
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Which of the chioces below best describes how to measure the center of these data ?
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Answer:

Which of the choices below best describes how to measure the center of these data?

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Step-by-step explanation:

Mean describes the central number of a discrete data

it has a formula;

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I need help with a CALC 1 question.
Morgarella [4.7K]
Yah

ok, so remember
x(dy/dx)=1
but
y(dy/dx)=dy/dx
solve for dy/dx as if it was a varaible
use chain rule and stuff


-33x¹⁰+2x²²y+y⁹=-30
take derivitive
-33(10)x⁹+2(22x²¹y+x²²dy/dx)+9y⁸dy/dx=0
distribute
-330x⁹+44x²¹y+2x²²dy/dx+9y⁸dy/dx=0
add 330x⁹ to both sides and minus 44x²¹y from both sides
2x²²dy/dx+9y⁸dy/dx=330x⁹-44x²¹y
undistribute dy/dx
dy/dx(2x²²+9y⁸)=330x⁹-44x²¹y
divide both sides by (2x²²+9y⁸)
\frac{dy}{dx}= \frac{330x^9-44x^{21}y}{2x^{22}+9y^8}
your calculation is incorrect, see it should be 2x^22, not x^22

anyway
taht is the slope at taht point
remember point slope
y-y1=m(x-x1)
we needs to find slope

at point (1,1)
x=1, y=1
\frac{dy}{dx}= \frac{330(1)^9-44(1)^{21}y}{2(1)^{22}+9(1)^8}
dy/dx=26

at point (1,1)
y-1=26(x-1)
y-1=26x-26
y=26x-25 is de equation
8 0
3 years ago
The total cost T varies directly with the number of kilograms A of apples purchased. Apples cost $1.15 per kilogram. Th
ladessa [460]

The total cost T varies directly with the number of kilograms A of apples purchased. Apples cost $1.15 per kilogram.

True

<h2>False☑️</h2>

3 0
3 years ago
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