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Bas_tet [7]
3 years ago
15

PLEASE HELP !!!! brainliest anwser to the person who

Mathematics
2 answers:
OleMash [197]3 years ago
6 0
To find hypotenuse multiply by sqrt of 2, which is equal; To find the legs length divide by sqrt 2. 

45 degrees  - 45 degrees - 90 degrees
13 sqrt2/ sqrt 2 = about 9.2 units

The diagonal of a square divides into two 45 degrees - 45 degrees - 90 degrees triangle. 

y = 45; In a 45 degrees - 45 degrees - 90 degrees triangle, the legs (L) are congruent (L = L), and length of hypotenuse h is sqrt 2 times the length of a leg (h = l sqrt2). So, if hypotenuse is 13, then x sqrt 2 = 13.

Solving for X:
x sqrt 2/ sqrt 2 = 13/ sqrt 2

x = 13/ sqrt 2 * sqrt 2/sqrt 2

= 13 sqrt 2/2

Hence: x = 13 sqrt 2/2 about 9.2 units;  y = 45




Your answer would be, Letter Choice (B) 13 sqrt2/2





Hope that helps!!!!
Nostrana [21]3 years ago
3 0
The answer is b
it's a special triangle

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A bag contains 6 yellow marbles and 18 red. If a representative sample contains 2 yellow marbles, then how many red would you ex
kramer

Answer:

6 red marbles

Step-by-step explanation:

We must first find our multiplier since a sample represents a population (the whole thing).

6/2 = 3, so 3 * 2 = 6.

I will use the value of 6/2, aka 3 and use that as my divisor.

18/3 = 6.

Therefore, you would expect to have 6 red marbles.

3 0
3 years ago
Lionfish are considered an invasive species, with an annual growth rate of 67%. A scientist estimates there are 8,000 lionfish i
natita [175]

<em>Answer:</em>

<em>There would be 173,535 lionfish after 6 years.</em>

<em>Step-by-step explanation:</em>

<em>Since lionfish are considered an invasive species, with an annual growth rate of 67%, ya scientist estimates there are 8,000 lionfish in a certain bay after the first year, A) to write the explicit equation for f (n) that represents the number of lionfish in the bay after n years; B) determine how many lionfish will be in the bay after 6 years; and C) if scientists remove 1,200 fish per year from the bay after the first year, determine what is the recursive equation for f (n); the following calculations must be performed:</em>

<em></em>

<em>A)</em>

<em>8000 x 1.67 ^ n = f  </em>

<em>B)</em>

<em>8000 x 1.67 ^ 6 = X</em>

<em>8000 x 21.691961596369 = X</em>

<em>173,535.692770952 = X  </em>

<em>C)</em>

<em>(8000 - 1200 x 1 ^ n) x 1.67 ^ n = f</em>

<em>Therefore, there would be 173,535 lionfish after 6 years.</em>

5 0
2 years ago
Hi...I am taking pre calculus and I'm reallyo lost here..can someone help me?
Karolina [17]
1. Log7 (49)=2
2. Log63(216)=3
3. Log2 (256)=8
4. Log4 (64)= 3
5. Log5 (3125)=5
3 0
3 years ago
Explain why triangleABC is similar to triangle triangle ADE
DedPeter [7]

Answer:

In the given figure, line segment is constructed on the triangle parallel to line segment . ... This line can then be considered as a transversal of these parallel lines. Angle and angle are therefore corresponding angles. And as they're corresponding, this means that they're equal.

7 0
2 years ago
Can anyone solve this?
Serhud [2]

Answer:

A) 96 cm

Step-by-step explanation:

Split into three parallelograms

Shape 1: 6 by 7     6×7=42

Shape 2: 3 by 4    3×4=12

Shape 3: 6 by 7    6×7=42

42+12+42=96

6 0
2 years ago
Read 2 more answers
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