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Brums [2.3K]
3 years ago
5

DUE IN 5 MINUTES, CORRECT ANSWERS ONLY PLZ

Mathematics
2 answers:
ankoles [38]3 years ago
6 0

Answer:

it was taken away

Step-by-step explanation:

gogolik [260]3 years ago
3 0
She is losing $20, so it indicates a negative number when really it is positive
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How do I solve for -31 -8r = -3(5r -6)
Dennis_Churaev [7]
Our current equation is:
-8r -31 = -3(5r -6)
To solve for this, we need to get r on one side of the equation and then simplify if needed.
On the right side of the equation, we have a pending Distributive Property, which is when you multiply the number/variable outside of the parenthesis by all numbers/variables in the parenthesis.
Let's simplify this Distributive Property to help understand our equation better.
-3(5r -6)
Multiply -3 by each number/variable separately (unless they are already being multiplied, like 2x, 1/2x, etc).
-3(5r) + -3(-6).
-3(5r) = -15r
-3(-6) = 18 (both negatives need to be in parenthesis to keep a product as negative, and if you do not multiply them in that way, you will end up with a positive product).
Your equation now is:
-8r -31 = -15r + 18
Add 15r to both sides to get r on one side.
7r -31 = 18 is now our current equation.
Add 31 to both sides to get 7r by itself.
7r = 49 is now our equation.
r is still being multiplied by 7, so we need to do the opposite of multiplying by 7.
Divide both sides by 7.
r = 7.
I hope this helps!
8 0
3 years ago
Can someone please work through this one question so I know what to do for the other 9? How the testing system works for me is t
Aloiza [94]
<span>Scientific notation is the way that scientists easily handle very large numbers or very small numbers. Scientific notation is written by writting a decimal number between 1 and 10 together with an exponent of 10.

Given
(4.23\times10^{12})\div(9.0\times10^6)

First, using distributive property of numbers, seperate the decimal numbers and the exponents of 10, we have
(4.23\div9.0)\times(10^{12}\div10^6)=0.47\times10^{12-6}=0.47\times10^6

Because, scientific notation requires that the decimal number part be a number between 1 and 10, we move the decimal point 1 place foward and subtract 1 from the exponent of 10.

Therefore, </span><span>(4.23\times10^{12})\div(9.0\times10^6)
in standard notation is
4.7\times10^5</span>
6 0
3 years ago
Just a partial quotient division problem with how to solve it i need it for my test
vesna_86 [32]

Answer:

What the other guy said, he’s correct! :)

7 0
3 years ago
Please help can give brainliest
DIA [1.3K]

Answer:

you have to add them together

4 0
3 years ago
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A savings account with an initial deposit of $10,000 has an annual interest rate of 3.2%. The interest on the account is compoun
makkiz [27]

Answer:

account balance will be $12113.9 and the interest is $2113.9.

7 0
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