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Evgen [1.6K]
3 years ago
11

What is the third side of the triangle when the other two is 7 and 4

Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
8 0

Answer:

sqrt. 65

Step-by-step explanation:

assuming that it is a right angle

7^2 + 4^2 = c^2

c=sqrt. 65

SVETLANKA909090 [29]3 years ago
4 0

Answer:

6cm

Step-by-step explanation:

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A portion of the Quadratic Formula proof is shown. Fill in the missing reason
Dahasolnce [82]

Answer:

The first one

Step-by-step explanation:

I believe it is the first option, as you can see that, on the right hand side, 4a was multiplied to the first term to make a common denominator. I'm sorry if it is wrong, and I hope this helped.

5 0
3 years ago
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What is - 4i ^ 19, simplify
german

Answer:

"i"

Step-by-step explanation:

i =\sqrt{-1} \\i^{2}= -1\\\\i^{3}= -i\\\\i^{4}= 1\\\\i^{5}= i\\

the cycle repeats every 4

19/4 = 4.75

16 is divisible by 4 plus three more

thus  i^{19} = -i  but you problem has a minus in front  so "i"

7 0
3 years ago
Identify the lateral area and surface area of a regular triangular pyramid with base edge length 6 cm and slant height 13 cm.
Law Incorporation [45]

The lateral area is 117 square centimeters and the surface area is 292.72 square centimeters

<h3>How to determine the lateral area?</h3>

The given parameters are:

  • Base length (b) = 6
  • Slant height (l) = 13

The lateral area is calculated using:

Lateral = 0.5 * (Perimeter of base) * Slant height

This gives

Lateral = 0.5 * (3 * 6) * 13

Evaluate

Lateral = 117

Hence, the lateral area is 117 square centimeters

<h3>How to determine the surface area?</h3>

The surface area is calculated using:

Surface = l²√3

This gives

Surface = 13² * √3

Evaluate

Surface = 292.72

Hence, the surface area is 292.72 square centimeters

Read more about areas at:

brainly.com/question/24487155

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6 0
2 years ago
What is the solution to the linear equation 4b + 6 = 2 - b+ 4
inessss [21]

Final Answer: b = 0

Steps/Reasons/Explanation:

Question: What is the solution to the linear equation 4b + 6 = 2 - b + 4?

<u>Step 1</u>: Simplify 2 - b + 4 to 6 - b.

4b + 6 = 6 - b

<u>Step 2</u>: Cancel 6 on both sides.

4b = -b

<u>Step 3</u>: Subtract -b from both sides.

4b + b = 0

<u>Step 4</u>: Simplify 4b + b to 5b.

5b = 0

<u>Step 5</u>: Divide both sides by 5.

b = 0

~I hope I helped you :)~

5 0
3 years ago
What’s the product of 1/2 x 2/3 x 3/4
lisabon 2012 [21]

1/2 x 2/3 x 3/4 = 1/4

(Sorry, I did the math wrong. I meant 1/4)

7 0
3 years ago
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