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BigorU [14]
3 years ago
10

Write a formula for f(a) in terms of a -3a + 6b = a + 4b

Mathematics
1 answer:
charle [14.2K]3 years ago
6 0

Answer:

\huge\boxed{\sf f(a) = 2a}

Step-by-step explanation:

-3a + 6b = a + 4b

Isolate b

6b - 4b = a + 3a

2b = 4a

b = 4a / 2

b = 2a

Replace b by f(a)

f(a) = 2a

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
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8h + (-7.9d) - 14 + 5d - 3.4h
Fynjy0 [20]

☁️ Answer ☁️

So I got:

-2.9d + 4.6h - 14

Hope it helps.

Have a nice day hyung/noona!~  ̄▽ ̄❤️

7 0
3 years ago
An aerospace company has submitted bids on two separate federal government defense contracts. The company president believes tha
gulaghasi [49]

Answer:

1)28.8%

2)28.8%

3)43.6%

Step-by-step explanation:

1))Probability of wining both = Probability that first contract is won* Probability that second contract is won = 0.4 * 0.72 = 0.288 = 28.8%

2)Probability of losing = 1 - Probability of winning

Probability that they will lose both contracts = Probability that first contract is lost * Probability that second contract is lost = (1 - 40/100) * (1 - 54/100) = 0.276 = 27.6%

3)Probability that any one is won = 1 - both contracts are won - both contracts are lost = 1 - 0.276 - 0.288 = 0.436 = 43.6%

7 0
3 years ago
Cole's Computer Company charges $50 for a service call to your home to repair your computer system, and he charges $12 per hour,
Marta_Voda [28]

Answer:

3 hours

Step-by-step explanation:

50+12h=86

-50 on both sides

12h=36

divide by 12 on both sides

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6 0
3 years ago
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scoray [572]

Answer:

A

Step-by-step explanation:

It’s the opposite

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3 years ago
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Write 12/root2 + root18 in the form broot2 where b is an interger
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\dfrac{12}{\sqrt 2} + \sqrt{18}\\\\\\=\dfrac{12 + \sqrt{18 \times 2}}{\sqrt 2}\\\\\\=\dfrac{12+\sqrt{9 \times 4}}{\sqrt 2}\\\\\\=\dfrac{12+3 \times 2}{\sqrt 2}\\\\\\=\dfrac{18}{\sqrt 2}\\\\\\=\dfrac{18\sqrt 2}{\left(\sqrt 2\right)^2}\\\\\\=\dfrac{18\sqrt 2}2\\\\\\=9\sqrt 2

5 0
3 years ago
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