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Nataly [62]
3 years ago
13

Find the missing value of X and Y.

Mathematics
1 answer:
Aneli [31]3 years ago
7 0

Answer:

x = y = \sqrt{45}

Step-by-step explanation:

x^{2} + y^{2} = 30^{2}  \\x = y \\90 = \sqrt{45} +  \sqrt{45} \\\\ = 90

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Decompose and use the distributive property to find the product of 5 × 7.3.
swat32

Answer:

36.5

Step-by-step explanation:

5(1+6.3)

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3 years ago
Which of the folowing is equal to 7 1/3
Romashka-Z-Leto [24]

Answer:

22/3

Step-by-step explanation:

Make the whole number turn into a fraction, (21/3) and add the numerator (1/3), which the answer would be 22/3

7 0
3 years ago
Explain why the ratio 3 feet / 1 yard has a value of one
cluponka [151]
Because There are 3 feet in 1 yard, so 3 feet and 1 yard are the same thing, hence a 1:1 ratio.
6 0
3 years ago
Please help with this I will mark brainliest :)
bixtya [17]

Answer:

Triangles

Step-by-step explanation:

  1. Angle b
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5 0
3 years ago
Triangle ABC had a perimeter 18 cm
Anna007 [38]

Answer:

Use pythagoreum theorem to determine whether it is or isn't since I'm not really sure myself but here's my calculations.

Step-by-step explanation:

We need to find AC.

Picture a triangle called ABC. AB is one side and BC the other while AC is the hypotenuse.

AC=

ac =  \sqrt{ab ^{2}  +  {bc}^{2} } \\ ac = \sqrt{ {7}^{2} }  +  {3}^{2}  \\ ac =  \sqrt{49 + 9}  \\ ac =  \sqrt{58 }  \\ ac = 7.6

Round up the 7.6 to a whole number and you get AC=8. To get perimeter of a triangle simply add the sides together to get 18.

Not really sure about my answer but hope this helped.

5 0
3 years ago
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