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3 years ago

Is 10/3 irrational or rational

Mathematics

1 answer:

Masteriza [31]3 years ago

7 0

It's rational

Rational numbers are numbers that you can put into the form of a/b.

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Find the value of each expression 3[ (20 - 4) / 2] 5(9) / (8 / 4)

storchak [24]

3 [ (20-4) / 2 ]= 3 * 16/2= 3 x 8 =24

5,(9)=5 9/9= 54/9=6

6/8/4= 6/2=3

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3 years ago

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Find the solutions to the system

Musya8 [376]

y=x^2+5x+6
y=4x+12
Solution = (-3,0) and (2,20)

y=x^2-3x-1
y=8x-1
Solution = (0,-1) and (11,87)

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4 years ago

(3 x 10) X 8 =_ X (10 X 8) Uruekne kdnbfbd

Amiraneli [1.4K]

Step-by-step explanation:

(3 × 10) × 8 = 3 × (10 × 8)

It's an Associative Property of addition:

(a + b) + c = a + (b + c)

Check it:

Left side: (3 × 10) × 8 = 30 × 8 = 240

Right side: 3 × (10 × 8) = 3 × 80 = 240

CORRECT

4 0

3 years ago

Bin $A$ has one white ball and four black balls. Bin $B$ has three balls labeled $\$1$ and one ball labeled $\$7$. Bin $W$ has f

nydimaria [60]

Answer:

$20

Step-by-step explanation:

Bin A: Bin B: Bin W:

white ball: 20% $1: 75% $8: 5/6

black ball: 80% $7: 25% $500: 1/6

first we can calculate the expected return of bins B and W:

expected return if the ball is black = ($1 x 75%) + ($7 x 25%) = $2.50

expected return if the ball is white = ($8 x 5/6) + ($500 x 1/6) = $90

expected return of the game = (expected return of a black ball x probability of choosing a black ball) + (expected return of a white ball x probability of choosing a white ball) =($2.50 x 80%) + ($90 x 20%) = $2 + $18 = $20

3 0

3 years ago

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Can someone help me to understand this? Math 20 points

jek_recluse [69]

Given:

A triangle is placed in a semicircle with a radius of 6 cm.

We need to determine the area of the shaded region.

Area of the triangle:

The area of the triangle can be determined using the formula,

$A=\frac{1}{2} bh$

Substituting b = 6 and h = 6, we get;

$A=\frac{1}{2}(6)(6)$

$A=\frac{1}{2}(36)$

$A=18$

Thus, the area of the triangle is 18 cm²

Area of the semicircle:

The area of the semicircle can be determined using the formula,

$A=\frac{\pi r^2}{2}$

Substituting π = 3.14 and r = 6, we get;

$A=\frac{(3.14)(6)^2}{2}$

$A=\frac{113.04}{2}$

$A=56.52$

Thus, the area of the semicircle is 56.52 cm²

Area of the shaded region:

The area of the shaded region can be determined by subtracting the area of the triangle from the area of the semicircle.

Thus, we have;

Area = Area of semicircle - Area of triangle

Substituting the values, we get;

$Area = 56.52-18$

$Area = 38.52$

Thus, the area of the shaded region is 38.52 cm²

6 0

3 years ago

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