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3 years ago

The relative frequency of getting and even number is ___? What is it I got 28% and it says it's wrong.

Mathematics

1 answer:

Mamont248 [21]3 years ago

5 0

The frequency of getting an even number is 48%

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X²+8x-84=0 Formúla General

Brums [2.3K]

Answer:

$x_{1} =-14\\\\x_{2} =6$

Step-by-step explanation:

$x^{2} +8x-84=0\\\\x=\dfrac{-b \pm \sqrt{b^{2}-4ac } }{2a} \\\\a=1; \: \: b=8; \: \: c=-84\\\\x=\dfrac{-8 \pm \sqrt{8^{2}-4 \cdot 1 \cdot (-84) } }{2 \cdot 1}=\dfrac{-8 \pm \sqrt{400 } }{2}=\dfrac{-8 \pm20}{2} =-4 \pm 10\\\\x_{1} =-14\\\\x_{2} =6$

8 0

3 years ago

HELP WILL MARK YOU BRAINLIEST JUST GIVE THE ANSWER NO EXPLANATION!!! NO GUESSes!!!

Oksi-84 [34.3K]

Answer:

all of them except for compass

Step-by-step explanation:

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3 years ago

Find the area of the rhombus. 4.32 m2 2.16 m2 1.08 m2 1.05 m2

S_A_V [24]

Answer:

Step-by-step explanation:

Alright, lets get started.

The part of the diagonals are given as 0.9 m and 1.2 m.

The diagonals of rhombus intersect each other.

Hence the length of diagonals will be : $0.9*2=1.8$ and $1.2*2=2.4$

The formula of area of rhombus is : $\frac{pq}{2}$ where p and q are the length of diagonals.

So plugging the values of diagonals in formula, the area will be :

Area = $\frac{1.8*2.4}{2}$

Area = $\frac{4.32}{2}$

Area = $2.16 \ m^2$ ................. Answer

Hope it will help :)

6 0

3 years ago

Simplify 2/3(30d-15) Can someone please explain distributive property with fractions?

Oksana_A [137]

Answer:

You do 2/3 times 30d minus 2/3 times 15. That will give you 20d - 10

Step-by-step explanation:

(2/3x30d) - (2/3x15) = 20d - 10

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3 years ago

Find m<q plzzzzzzzzzzz

Eva8 [605]

66 is the answer
76+ 38= 114
114+ 66 = 180

4 0

3 years ago