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VashaNatasha [74]
3 years ago
5

Please help I don't have much time left

Mathematics
2 answers:
zzz [600]3 years ago
4 0

Answer:

c

Step-by-step explanation:

(2/3)×5

(2/3)×(5/1)

multiply numerator by numerator, denominator by denominator, and you get

10/3 or 3 and 1/3.

german3 years ago
3 0

Answer:

C

Step-by-step explanation:

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520?

Step-by-step explanation:

I think

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69+69+69+69+69+69+6?
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Step-by-step explanation:

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Read 2 more answers
Select the two values of x that are roots of this equation 3x^2 + 1 =5x
Zina [86]

Answer:

x = 1.434 and x=0.232

Step-by-step explanation:

To find the root of the equation stated above we need to:

(1) Write the polynomial equation with zero on the right hand side:

3x^{2} + 1 = 5x ⇒ 3x^{2} -5x + 1 = 0

(2) Divide the whole equation by 3

3x^{2} -5x + 1 = 0 ⇒ x^{2} -\frac{5}{3}x + \frac{1}{3}= 0

(3) Use the quadratic formula to solve the quadratic equation:

The quadratic formula states that the two solutions for a quadratic equation is given by:

\frac{-b±\sqrt{b^{2} - 4ac}}{2a} (1)

In this case, a = 1, b = -\frac{5}{3}, c= \frac{1}{3}

Substituiting a, b and c in equation (1) We get:

\frac{-\frac{5}{3}±\sqrt{(-\frac{5}{3})^{2} - 4(1)(\frac{1}{3})}}{2(1)} (1)

The two solutions are:

x = 1.434 and x=0.232

8 0
3 years ago
The length of a rectangle is 7/6 its width, w. Which expression represents the perimeter of the rectangle?
Hitman42 [59]
If the length is 7/6 the width w then the perimeter is w + (7/6)w + w + (7/6w)
= 2((7/6)w + w) = 2w + (14/6)w = (26/6)w = (13/3)w.
So the answer is the last one.
3 0
3 years ago
Steven is x years old. John is 3 years older than Steven. In terms of x, how old will John be in 6 years?
Mumz [18]

Answer:

9

Step-by-step explanation:

6 + 3=9

5 0
3 years ago
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