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FromTheMoon [43]
3 years ago
15

Find the value of x and y.I will give brainliest to the best awnser, thank you. ​

Mathematics
1 answer:
frez [133]3 years ago
4 0

Answer:

the value of y and x are 16times(9xdividedby5)

4y= 4times(9xdividedby5)

Step-by-step explanation:

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Multiply the numerator and denominator by 4+5i
=[(2+3i)(4+5i)]/[(4-5i)(4+5i)] 
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3 0
4 years ago
The cylinder shown has a lateral surface area of about 80 square inches. Which answer is closest to the height of the cylinder?
Radda [10]

Hello!

The cylinder shown has a lateral surface area of about 80 square inches. Which answer is closest to the height of the cylinder? Use 3.14 to approximate pi.

We have the following data:

Al (lateral surface area) = 80 in²

R (ratio) = 4 in

h (height) = ? (in inches)

Adopt : π ≈ 3.14

We apply the data to the formula, we have:

A_l = 2*\pi*R*h

80 = 2*3.14*4*h

80 = 25.12\:h

25.12\:h = 80

h = \dfrac{80}{25.12}

h = 3.18 \to \boxed{\boxed{h \approx 3.2\:in}}\:\:\:\:\:\:\bf\green{\checkmark}

Answer:

≈ 3.2 inches

________________________

\bf\green{I\:Hope\:this\:helps,\:greetings ...\:Dexteright02!}\:\:\ddot{\smile}

8 0
3 years ago
Read 2 more answers
Two complex numbers have a sum of 14 and a product of 74. Write either of the two numbers.
IrinaVladis [17]

Answer:

Hello,

Step-by-step explanation:

The 2 numbers are roots of the equation:

U²-14U+74=0

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3 0
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Answer:

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Step-by-step explanation:

6.25-->14

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14/6.25=2.24ft shadow for 1 real foot

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5 0
3 years ago
How do i answer a • a • a • r • r using exponents
Maru [420]

Answer:

a^3 +r^2

Step-by-step explanation:

a is multiplied three times so it goes to a^3

r is multiplied twice so it goes to r^2

4 0
3 years ago
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