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3 years ago

Simplify this expression;

Mathematics

1 answer:

yanalaym [24]3 years ago

5 0

mn/3 To raise a product to a power, raise each factor to that power. Then, simplify the expression by multiplying exponents. Lastly, reduce the fraction.

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Jane had of a meter of ribbon. She used of a meter of ribbon to decorate a card. How much ribbon did she have left after she dec

emmainna [20.7K]

She had none left. if she only had a meter and then used a meter there would be none left.

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3 years ago

Determine if the events A and B are independent. Show all steps.

zmey [24]

Answer:

$P(A U B ) = \frac{13}{25}$

Step-by-step explanation:

STEP:-1

Given that events A and B are independent then

P(A ∩B ) = P(A) P(B)

Given that P(A) = 2/5 and P(B) = 1/5

STEP:- 2

P(A ∩B ) = P(A) P(B)

$P(A U B) = P(A) +P(B) - P(A n B )$

$P(A U B ) = P(A) +P(B) - P(A) P(B)$

Step(iii):-

$P(A U B ) = \frac{2}{5} +\frac{1}{5} - \frac{2}{5} X \frac{1}{5}$

$P(A U B ) = \frac{3}{5} - \frac{2}{5} X \frac{1}{5}$

$P(A U B ) = \frac{3}{5} - \frac{2}{25}$

$P(A U B ) = \frac{15-2}{25} = \frac{13}{25}$

4 0

3 years ago

ILL GIVE BRAINLIEST IF CORRECT!! The average of x+6, 6x+2, and 2x+7 is 4x-7. What is x?

mina [271]

Answer:

35/3

Step-by-step explanation:

$\frac{x+6 + 6x+2+x+6}{3} =4x-7$

Simplify to get

9x+14=3(4x-7)

35=3x

x=35/3 or 11.66

6 0

3 years ago

Simplify 2/3×1/6+5/3×7/2-13/8×2/3 pls help with this

tensa zangetsu [6.8K]

The first picture shows you how to solve it and the second picture is showing you how to get your answer in simplest form.

3 0

3 years ago

<img src="https://tex.z-dn.net/?f=4x%5E%7B2%7D%20%2B28x%2B49%3D0" id="TexFormula1" title="4x^{2} +28x+49=0" alt="4x^{2} +28x+49=

Harman [31]

Answer:

x = -7/2 multiplicity 2.

Step-by-step explanation:

4x^2 + 28x + 49 = 0

(2x + 7)(2x + 7) = 0

This is a perfect square.

2x + 7 = 0, so:

x = -7/2 multiplicity 2.

6 0

3 years ago