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astra-53 [7]
3 years ago
7

Each day, Maya eats 1/5 cup of melons in the morning and 1/5 cup of melons in the afternoon. How many days will it take Maya to

eat 8 cups of melons?
A 19
B 20
C 18
Mathematics
1 answer:
blondinia [14]3 years ago
4 0

Answer:

B

Step-by-step explanation:

If Maya eats 1/5 cups of melon twice a day: once in the morn n once in the afternoon, she eats 2/5 cups of melon a day.

8=2/5*d

d=# of days

8*5=2d

40/2=d

d=20

∴ Therefore it will take 20 days for Maya to eat 8 cups of melon.

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How do you identify the slope and y intercept with the equation y=-3x+4
vazorg [7]

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Step-by-step explanation:

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Two complex numbers are given byz1= 3 +j4 andz2= 2 +j3. Determine in both polar andCartesian forms
Marat540 [252]

Answer:

Cartesian

z₁= 3 +4*j

z₂= 2 +3*j

Polar

z₁=5 * e^ (0.927*j)

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Step-by-step explanation:

for the complex numbers z the cartesian form of is

z= x + y*j

then

1) z₁= 3 +4*j (cartesian form)

2) z₂= 2 +3*j (cartesian form)

the polar form is

z= r* e^jθ

where

r= √(x²+y²) → r₁ = √(3²+4²) = 5 ,  r₂ = √(2²+3²) = √13

and

θ = tan⁻¹ (y/x)  → θ₁  = tan⁻¹ (4/3)= 0.927 rad , θ₂  = tan⁻¹ (3/2)= 0.982 rad

then

z₁=5 * e^ (0.927*j)

z₁=√13 * e^ (0.982*j)

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3 years ago
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adell [148]

Answer:

5 hours

Step-by-step explanation:

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Answer:

$22.68

Step-by-step explanation:

21×.08= 1.68

21+1.68=22.68

Total cost =$22.68

3 0
3 years ago
Read 2 more answers
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