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mrs_skeptik [129]
1 year ago
5

5a - 7 = 0.1a - 0.14

Mathematics
1 answer:
DIA [1.3K]1 year ago
6 0

Answer: a=1.4

Step-by-step explanation:

move the 0.1a to the other and the 7 to the other side which will make the  7 positive and the 0.1a negative.

5a-0.1= 4.9a

-0.14+7=6.86

dive both sides by 4.9 and you get

a=1.4

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Mathematical model in real life
matrenka [14]
Well, one example would be how much space is in a cardboard box, to ship something to a friend or relative. 
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L = Length, W = Width, and H = Height.

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V = L*W*H

So say that:
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Does this help?

The link I used for some of this info, which has other useful math models is: https://www.mathsisfun.com/algebra/mathematical-models.html
6 0
3 years ago
What will the coordinates of Triangle RST be after it is translated 4units down and 3 units left
mote1985 [20]

Triangle RST has vertices:

R(-4,2)

S(3,5)

T(-4,-4)

Then, the triangle is moving to the left you subtract the number of units from the x coordinates of each vertex of the triangle.

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For R'

(-4-3,2-4)=(-7,-2)

For S'

(3-3,5-4)=(0,1)

For T'

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Answer:

\begin{gathered} R^{\prime}(-7,-2) \\ S^{\prime}(0,1) \\ T^{\prime}(-7,-8) \end{gathered}

8 0
1 year ago
PLZ HELP ME OUT How do I know a number is rational or irrational?
Harrizon [31]

Answer: If a number is rational, it can be represented as a simple fraction, it can be written as a terminating decimal, and a repeating decimal.

If a number is irrational, it cannot be represented as a simple fraction, it cannot be written as a terminating decimal, and not as a repeating decimal. It never ends, never repeats, just like the constant pi.

Step-by-step explanation:

So if a number is rational, it can be represented as a simple fraction, it can be written as a terminating decimal, and a repeating decimal.

If a number is irrational, it cannot be represented as a simple fraction, it cannot be written as a terminating decimal, and not as a repeating decimal. It never ends, never repeats, just like the constant pi.

8 0
3 years ago
Find x using the Law of Cosines. Round to the nearest tenth.
Bad White [126]
The Answer for "X" is going to be  25.63201, rounded to the nearest tenth would be 25.6.
 

I hope this helped :)
 
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3 years ago
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yan [13]
She started off with 11
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3 years ago
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