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olga55 [171]
3 years ago
14

If a = 2b + 12, then -2a =

Mathematics
1 answer:
TiliK225 [7]3 years ago
4 0

Answer:

e.) -4b -24

Step-by-step explanation:

Substitute the expression for "a" into the expression -2a. Make use of the distributive property to eliminate parentheses.

... -2a = -2(2b +12) = -4b -24

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Help is needed please!!!!
jeka57 [31]

Answer:

31/20

Step-by-step explanation:

You need to plug in x as y-3.

so instead of 10x+10y=1 it is 10(y-3)+10y=1

Then just simplify the equation to find the value of y

8 0
3 years ago
How would you change 125.25% to decimal form?
Romashka-Z-Leto [24]
Percent means parts out of 100 so
125.25%=125.25/100=12.525/10=1.2525/1=1.2525
basically:
percent to decimal: move decimal place 2 places to the left and get rid of percent                sign
decimal to percent: move decimal place 2 places to the right and add percent sign              at end
fraction to decimal: divide completely
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the answer is 1.2525
6 0
3 years ago
Read 2 more answers
What's the simplest form 4 1/6 divided 1/5=
expeople1 [14]
Turn 4 1/6 into an improper fraction.
There are 4 x 6 parts in the whole number 4, add 1/6 to that to get = 25/6
now we have: 25/6 divided by 1/5
The rule for dividing is skip the first number, flip the second number, and multiply instead of divide.
So now we have: 25/6 x 6/1 = (25*6)/(6*1) = ?
You must get the final answer yourself. ;-)
7 0
3 years ago
How is isometric transformation different from similarity transformation
cricket20 [7]

Answer:

A similarity transformation is a transformation in which the image has the same shape as the pre-image. Specifically, the similarity transformations are the isometric transformations (reflection, rotation, translation) and dilation as well. ... All similarity transformations are transformations.

Step-by-step explanation:

7 0
4 years ago
Slove the system of linear equations by graphing y=-x+7 y=x-1
Savatey [412]

Answer: Point Form: ( 4 , 3 ) Equation Form: x = 4 , y = 3  

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Brainliest or a thank you please? :))

5 0
3 years ago
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