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777dan777 [17]
3 years ago
12

Multiply and write 2/5x6/7 or mixed number in simplest form

Mathematics
2 answers:
MariettaO [177]3 years ago
8 0

Answer:

12/35

Step-by-step explanation:

(2/5)*(6/7)=12/35

since 12/35 is in simplest form, and is a regular fraction, it is the answer

Dafna1 [17]3 years ago
3 0

Answer: 12/35

Step-by-step explanation:

Whenever two numbers are separated by multiplication sign, the numerators will multiply one another, same also applies to the denomintor.

2/5 x 6/7 = (2x6) / (5x7) = 12 / 35

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Pls help thx!!!!!!!!!
Scilla [17]

Answer:

20

Step-by-step explanation:

(3x + 50) \degree = (6x  - 10) \degree .. (vertical \:\angle s) \\ 3x + 50 = 6x - 10 \\ 3x - 6x =   - 10 - 50 \\   - 3x =  - 60 \\ x =  \frac{ - 60}{ - 3}  \\  \huge \red{x = 20}

3 0
3 years ago
Read 2 more answers
If today is Tuesday, what day will it be three weeks from tomorrow?
worty [1.4K]
3 weeks from tomorrow will be Wednesday
3 0
3 years ago
If a,b,c,d, and e are non negative such that x^6-289x^4-x^2+289=(x-a)(x+b)(x_c)(x+d)(x^2+ex+1), what is the value of a+b+c+d+e?
Irina18 [472]

Answer:

36

Step-by-step explanation:

Hello,

If X=x^2 it becomes

X^3-289X^2-X+289=(X^2-1)(X-289)

and 289=17^2

X^2-1=(X-1)(X+1)=(x^2-1)(x^2+1)=(x+1)(x-1)(x^2+1) \\\\x^2-289=x^2-17^2=(x-17)(x+17)

So,

x^6-289x^4-x^2+289=(x^2-1)(x^2+1)(x^2-289)=(x-1)(x+1)(x+17)(x-17)(x^2+1)

a = 1

b = 1

c = 17

d = 17

e = 0

Then a + b + c + d + e = 36

Thanks

3 0
3 years ago
How many dots will figure n have? Explain how you know this.
LenKa [72]
N = ((n-1) + 4) + 4, to my understanding. 
although your answers seem right written in the columns, but your method of applying numbers to equation seems incorrect in 'expand' column. for example, answer for 3 should be something like this...
3   21   17+4
4   25    21+4
hope it helps.
5 0
3 years ago
Read 2 more answers
Determine the roots of f(x) = -12-2.1x+18x^2-2.75x^3 graphically. in addition, determine the first root of the function with
vesna_86 [32]

The given function is that is a cubic polynomial

f(x)=-12-2.1x+18x^2-2.75x^3

when arranged in descending order that is from highest degree to lowest degree

f(x)=-2.75x^3+18x^2-2.1x-12

Since it is a three degree polynomial it has three roots.

According to rational root theorem , the possible roots of the above expression that is factors of  \frac{12}{2.75}=\frac{48}{11}  are \pm1, \pm 2, \pm 3, \pm 4, \pm 6, \pm 8, \pm 12, \pm 24, \pm 48, \pm\frac{1}{11}, \pm\frac{2}{11}, \pm\frac{3}{11}\pm\frac{4}{11}\pm\frac{6}{11},\pm\frac{8}{11},\pm\frac{12}{11}, \pm\frac{24}{11},\pm\frac{48}{11}

As you can see from the graph all roots of this polynomial are real.

The smallest positive root is 0.954 and smallest negative root are -0.724.

4 0
3 years ago
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