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disa [49]
2 years ago
8

Is 3φ rational or irrational

Mathematics
1 answer:
dimaraw [331]2 years ago
6 0

Answer:

irr

Step-by-step explanation:

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5x-2+3x=17+12x-23<br> please show all steps
vlabodo [156]
5x-2+3x=17+12x-23 combine like terms 
8x-2=12x-6
-8x    -8x
-2=4x-6
+6     +6
4=4x divide each side by 4 
x=1 
5 0
3 years ago
Factor x3 – 7x2 – 5x + 35 by grouping. What is the resulting expression?
Afina-wow [57]

Answer:

3rd option

Step-by-step explanation:

Given

x³ - 7x² - 5x + 35 ( factor the first/second and third/fourt terms )

= x² (x - 7) - 5(x - 7) ← factor out (x - 7) from each term

= (x² - 5)(x - 7)

5 0
2 years ago
After mixing two types of candies, the price became $3.40 per lb. The quantity of the first type of candy was 5/12 of the quanti
drek231 [11]

Answer:

$2.90

Step-by-step explanation:

The quantity of the 1st type of candy be x lb and that of the second type − y lb with the price of $ p/lb.

Then, x=5y/12 or y=2.4x.

The "total price" equation will be: 4.6x + 2.4xp = 3.4(x+2.4x).  

Solving for p, we get p = $2.90.

5 0
3 years ago
As part of his retirement strategy, John plans to invest $210,000 in two different funds. He projects that the moderately high r
Maslowich

Answer:

Therefore he invested $60,000 at 9% per year and $(210,000-60,000)=$150,000 at 4% per year.

Step-by-step explanation:

Given John plans to invest $210,000 in two different funds. He projects that the moderately high risk investments should return, overtime 9% per year,while low risk investments should return about 4% per year.

He wants a supplemental income of$11,400 a year.

Let , he invested $x at 9% per year and $(210,000-x) at 4% per year.

interest=\frac{prt}{100}   p = principle , r = rate of interest and t = time

The interest earns at 9% per year= \frac{x\times 9\times 1}{100}

The interest earns at 4% per year=\frac{(210,00-x)\times 4 \times 1}{100}

According to the problem,

\frac{x\times 9\times 1}{100}+\frac{(210,00-x)\times 4 \times 1}{100}= 11400

\Leftrightarrow 9x+840000-4x=11400 \times 100

\Leftrightarrow 5x=1140000-840000

\Leftrightarrow x=\frac{300000}{5}

\Leftrightarrow x=60,000

Therefore he invested $60,000 at 9% per year and $(210,000-60,000)=$150,000 at 4% per year.

7 0
3 years ago
A radio station has no more than $25000 to give away
konstantin123 [22]

I'd like to answer your question but there's not enough information.

6 0
3 years ago
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