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2 years ago

A spinner with 4 sections labeled a through d is spun and a coin flipped. What is the sample for the two events

Mathematics

1 answer:

ValentinkaMS [17]2 years ago

7 0

Answer:

(HA, HB, HC, HD, TA, TB, TC, TD)

Step-by-step explanation:

Spinner : (a, b, c. d)

Coin : (H, T)

Sample space :

____ A _____ B ______ C ______ D

H __HA ____ HB _____ HC _____ HD

T__TA _____TB ______ TC _____ TD

Sample space : (HA, HB, HC, HD, TA, TB, TC, TD)

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AlladinOne [14]

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2 years ago

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Solve the equation y = ax - b for the variable a.

lorasvet [3.4K]

Answer:

y-b/x = a

Step-by-step explanation:

y-b/x = a

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3 years ago

5 Michiko has a metal container in the shape of a cuboid. The container is 2.4 m long, 1.2 m wide and 0.6 m high. Michiko plans

konstantin123 [22]

Answer:

a) Michiko needs to buy 18 tins of paint.

b) cost of paint would be $152.82

Step-by-step explanation:

Surface area of cuboid = 2lw + 2lh + 2hw

Length (l) = 2.4 m

Width (w) = 1.2 m

Height (h) = 0.6 m

SF = 2(2.4 × 1.2) + 2(2.4 × 0.6) + 2(0.6 × 1.2)

= 5.76 + 2.88 + 1.44

= 10.08 meter²

Paint coverage is 4.5 meter² per liter.

Total paint used in one coat =

= 2.24 liters

Paint used in double coats = 2.24 × 2 = 4.48 liters

a) Size of one tin paint = 250 ml

1 liters = 1000 ml

4.48 liters = 4.48 × 1000 = 4480 ml

Number of tins needed by Michiko =

= 17.92 ≈ 18 tins

b) Cost of one tin of metal paint = $8.49

∴ cost of 18 tins of paint = $152.82

a) Michiko needs to buy 18 tins of paint.

b) cost of paint would be $152.82

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2 years ago

What would be the second step in solving the equation y−16=3y?

stiv31 [10]

Answer:

Divide both sides by 4

Step-by-step explanation:

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2 years ago

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There are two numbers, one is 7 more than twice the other. The sum of the numbers is 43. Make the equation to find the smaller n

Mrrafil [7]

Answer:

Smaller number: 12

Greater number: 31

Step-by-step explanation:

Hi there!

Let x equal to the smaller number.

Let y be equal to the greater number.

1) Translate the information into equations

"One is 7 more than twice the other"

⇒ $y=2x+7$

"The sum of the numbers is 43"

⇒ $x+y=43$

2) Use substitution to solve for the smaller number

$x+y=43$

Plug the equation $y=2x+7$ into the above equation

$x+(2x+7)=43\\x+2x+7=43\\3x+7=43$

Subtract both sides by 7

$3x+7-7=43-7\\3x=36$

Divide both sides by 3 to isolate x

$\frac{3x}{3} = \frac{36}{3} \\x=12$

Therefore, the smaller number equates to 12.

3) Use substitution to solve for the greater number

$x+y=43$

Plug in x as 12

$12+y=43$

Subtract both sides by 12 to isolate y

$12+y-12=43-12\\y=31$

Therefore, the greater number equates to 31.

I hope this helps!

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3 years ago