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DaniilM [7]
3 years ago
10

What is the value of a?

Mathematics
1 answer:
Anon25 [30]3 years ago
3 0
1 is the value of a ther is always a imaginary 1 infront of a letter
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Can Anyone Help me with this I believe I got the first one correct If not correct me please
olga_2 [115]

Answer:

the second one I think

Step-by-step explanation:

7 0
2 years ago
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A woman takes 12 equal-sized steps. She walks a total of 10 yards
kiruha [24]

Answer:

Each step is 30 inches

Step-by-step explanation: One yard is 36 inches. 10 yards is 360 inches.

360 divided by 12 is 30.

3 0
2 years ago
A vendor converts the weights on the packages she sends out from pounds to kilograms (1kg approximately equals 2.2 pounds).
Alexxx [7]

Answer:

a) b) the standard deviation and the mean is affected by the conversion factor as well

c)  the mean is displaced by b units

Step-by-step explanation:

for a new variable

Y=a*X  , where a= constant (conversion factor= 1 kg/2.2 pounds)

then

p(y)= p(a*X) = p(X)

a) mean =μ=E(Y)= ∑ a*X*p(y) = a ∑ X*p(x) = a* E(X)

mean =μ=a*μₓ

b) σ² = ∑ (Y-μ)²* p(y) =  ∑ (a*X-a μₓ)²* p(y) = a²*∑ (X-μₓ)²* p(x) = a²*σₓ²

then

standard deviation = σ= √σ²=√(a²*σₓ²) = a*σₓ

standard deviation = σ= a*σₓ

then the standard deviation and the mean is affected by the conversion factor as well

c) nevertheless for a displacement b

Y₂=X + b (b= constant= 50 gr)

p(Y₂)= p(X + b) = p(X)

then

mean =μ=∑ (X-b)*p(y)=∑ X*p(x)- b ∑ p(x) = E(X) -

mean =μ=μₓ - b

then the mean is displaced by b units

7 0
3 years ago
WILL MARK YOU BRAINLESTA games shop sells marbles
Otrada [13]
The answer is

The diameter is 4 (2) = 8 and height is 10(2) = 20

For the sides, use area of a cylinder = ph

p = 8 pi cm, ht = 20 cm. A = 160 pi sq cm

Base are 2 circles, each with radius 4 pi

Area = pi r^2 = 16 pi (times 2 circles) = 32 pi sq cm
5 0
3 years ago
Questions are on the picture, a-e.
iris [78.8K]
  1. The equilibrium price is $1.12.
  2. If price is $0.98, there would be scarcity of Super Widgets.
  3. When price is $0.98, quantity demanded is y.
  4. When price is $0.98, quantity supplied is x.
  5. When price is $1.22, there would be a surplus of Super Widgets.

<h3>What is equilibrium? </h3>

Equilibrium price is the price at which the quantity demanded equals the quantity supplied. The equilibrium price is $1.12.

Above equilibrium price, quantity supplied would exceed quantity demanded and there would be a surplus. When price is below equilibrium price, quantity supplied would be less quantity demanded and there would be a scarcity.

To learn more about equilibrium, please check: brainly.com/question/26075805

#SPJ1

5 0
2 years ago
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