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soldier1979 [14.2K]
3 years ago
5

Apply the distributive property to create an equivalent expression. 1/2 (2a-6b+8)=

Mathematics
1 answer:
Rus_ich [418]3 years ago
3 0

Answer:

a-3b+4

Step-by-step explanation:

a-3b+4

just divide 2a-6b+8 with 2

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I don’t get this lol
Zepler [3.9K]
에 y 당신 rl 비용 비용 비용 비용 위 윈
3 0
2 years ago
Given the relationship x2 + 3y2 =12, with y > 0 and dx, dt = 2 units/min., find the value of dy, dt at the instant y = 1 unit
matrenka [14]
\bf x^2+3y^2=12\implies \stackrel{chain~rule}{2x\cfrac{dx}{dt}}+3 \stackrel{chain~rule}{\left(2y\cfrac{dy}{dt}\right)}=0
\\\\\\
2x\cfrac{dx}{dt}+6y\cfrac{dy}{dt}=0
\implies 
6y\cfrac{dy}{dt}=-2x\cfrac{dx}{dt}\implies \cfrac{dy}{dt}=\cfrac{-2x\frac{dx}{dt}}{
6y\frac{dy}{dt}}
\\\\\\
\boxed{\cfrac{dy}{dt}=-\cfrac{x\frac{dx}{dt}}{3y}}\\\\
-------------------------------

\bf \textit{now, when y = 1, what is \underline{x}?}\qquad x^2+3y^2=12\implies x^2+3(1)^2=12
\\\\\\
x^2=9\implies x=\sqrt{9}\implies x=3\\\\
-------------------------------\\\\
\begin{cases}
y=1\\
x=3\\
\frac{dx}{dt}=2
\end{cases}\implies \cfrac{dy}{dt}=-\cfrac{3\cdot 2}{3\cdot 1}\implies \cfrac{dy}{dt}=-2
7 0
3 years ago
Read the following table. Answer the question with Numbers Only.
kolezko [41]

Answer:

15

Step-by-step explanation:

If you try to find how many times 3 goes into 45, it would be 15. Same thing with 6 and 90 and 8 and 120, they would all be 15.

3 0
3 years ago
How to convert 1 1/2
seraphim [82]

Answer:

3/2

Step-by-step explanation:

Step 1

Multiply the denominator by the whole number

2 × 1 = 2

Step 2

Add the answer from Step 1 to the numerator

2 + 1 = 3

Step 3

Write answer from Step 2 over the denominator

3/2

3 0
3 years ago
Experts/ace/geniuses helpp
Bas_tet [7]
The irrational number would be square root 15
6 0
3 years ago
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