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Digiron [165]
3 years ago
5

Value of x here is ????

+ 15" alt="30x = 15 + 15" align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
ipn [44]3 years ago
5 0

Answer:

1

Step-by-step explanation:

30x = 15 + 15

=  > 30x = 30

=  > x =  \frac{30}{30}

=  > x = 1

kramer3 years ago
3 0

\\ \sf\longmapsto 30x=15+15

  • Solve right side

\\ \sf\longmapsto 30x=30

  • Take 30to right

\\ \sf\longmapsto x=\dfrac{30}{30}

\\ \sf\longmapsto x=1

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Machine X makes 300 boxes in 3 mins and machine Y makes 300 boxes in 2 mins. With both machines working, how long will it take t
Andru [333]
-- Machine-X takes 3 minutes for 300 boxes . . . 3/300 = 1/100 minute per box.
-- Machine-Y takes 2 minutes for 300 boxes . . . 2/300 = 1/150 minute per box.

-- 3/150 = 2/100 . . . In 3/150 second, they can make 5 boxes by working together.

-- They need to make 5 boxes (300/5) = 60 times.
-- They'll need to work for 60 times (3/150) minutes.

60 (3/150) = 180/150 = 1.2 minutes = <u>1 minute and 12 seconds</u>.
7 0
3 years ago
Find the value of k such that x-2 is a factor of 3x³-kx²+5x+k​
Nuetrik [128]

Answer:

\displaystyle k = \frac{34}{3}

Step-by-step explanation:

We are given the polynomial:

\displaystyle P(x) = 3x^3 - kx^2 + 5x + k

And we want to determine the value of <em>k</em> such that (<em>x</em> - 2) is a factor of the polynomial.

Recall that the Factor Theorem states that a binomial (<em>x</em> - <em>a</em>) is a factor of a polynomial P(x) if and only if P(a) = 0.

Our binomial factor is (<em>x</em> - 2). Thus, <em>a</em> = 2.

Hence, by the Factor Theorem, P(2) must equal zero.

Find P(2):

\displaystyle \begin{aligned} P(2) &= 3(2)^3 - k(2)^2 + 5(2) + k \\ \\ &= 3(8) - 4k + 10 + k \\ \\ &= 34 - 3k  \end{aligned}

This must equal zero. Hence:

\displaystyle \begin{aligned} 34 - 3k &= 0 \\ \\ -3k &= -34 \\ \\ k = \frac{34}{3}  \end{aligned}

In conclusion, <em>k</em> = 34/3.

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3 years ago
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Dafna11 [192]

1/8 is in it 3/2 if that is it

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2 years ago
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vlabodo [156]

Answer:

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Step-by-step explanation:

(4x * 4x * 4) * (4x * 4x * 4 )

(16x * 4 ) * ( 16x *4)

16x * 16x = 256x

4 * 4 = 16

256x * 16

hope this helped a little

* = multiply

3 0
3 years ago
The diagram below is divided into equal parts.which fraction of the parts is white?
LenaWriter [7]

Answer:

no diagram

Step-by-step explanation:

8 0
3 years ago
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