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ella [17]
2 years ago
10

PLESE HELP ILL GIVE BRAINLIEST!,!!!!!

Mathematics
2 answers:
Bogdan [553]2 years ago
5 0

Answer:

9.8x + 1.1y + 9.9z

Step-by-step explanation:

\textsf {The perimeter is the sum of the side lengths.}

\textsf {Hence, the perimeter is :}

⇒ 5.5x + 6.2y + 4.3x + 8.3z + 1.6z - 5.1y

⇒ 9.8x + 1.1y + 9.9z

Tasya [4]2 years ago
5 0
Answer: C) 9.8x + 1.1y + 9.9z

Step-by-Step Explanation:

Perimeter = Side + Side + Side

Therefore,
= 5.5x + 6.2y + 4.3x + 8.3z + 1.6z - 5.1y
= (5.5 + 4.3)x + (6.2 - 5.1)y + (8.3 + 1.6)z
= 9.8x + (6.2 - 5.1)y + (8.3 + 1.6)z
= 9.8x + 1.1y + (8.3 + 1.6)z
=> 9.8x + 1.1y + 9.9z

Perimeter = 9.8x + 1.1y + 9.9z cm
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Answer:

c

Step-by-step explanation:

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6 0
2 years ago
A sequence U1, U2,U3...... is defined by the relation Un +1 = 2Un +5. if U1 =2, find U1​
Harlamova29_29 [7]

Correct question:

a sequence U1, U2,U3...... is defined by the relation U_{n +1} = 2U_n +5. if U1 =2, find U2​ and U3

Answer:

U2 = 9

U3 = 23

Step-by-step explanation:

Given sequence;

U_{n +1} = 2U_n +5

U1 = 2

U2 = ?

U_{n +1} = 2U_n +5\\\\U_2 = 2(U_1) + 5\\\\U_2 = 2(2) + 5\\\\U_2 = 4 + 5\\\\U_2 = 9

Solving for U3;

U_3 = 2(U_2) + 5\\\\U_3 = 2(9) + 5\\\\U_3 = 18 + 5\\\\U_3 = 23

3 0
3 years ago
Find the variable 6x-8=34
GenaCL600 [577]

x is the variable

<em>In mathematics, a variable is a symbol; in this case, X.</em>

4 0
3 years ago
I camper attaches a rope from the top of her tent 4 feet above the ground to give it more support if the Rope is 8 ft long about
iVinArrow [24]

Answer:

b = 6.928

Step-by-step explanation:

Looks like a job for the Pythagorean Theorem.

a^2 + b^2 = c^2

4^2 + b^2 = 8^2

16 + b^2 = 64

b^2 = 48

b = 6.928

Hope it helps!!

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