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kati45 [8]
3 years ago
13

What is this the relationship between the legs and the hypotenuse of a 45 - 45 - 90 triangle?

Mathematics
2 answers:
Studentka2010 [4]3 years ago
6 0
The length of the hypotenuse is (the length of each leg) times (the square root of 2).
Elena L [17]3 years ago
6 0

Answer:

Step-by-step explanation:

The length of the hypotenuse and the legs of a 45 45 90 triangle are no different from any right triangle. It's simply:

a^2+b^2=c^2 where a and b are the legs and c is the hypotenuse.

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50 POINTS!!! WILL MARK BRAINLIEST!!! CORRECT ANSWERS PLS 1 HOUR LEFT
Brut [27]

Answer:

○ 3

○ y + ½ = 3(x - 2)

○ Multiply both sides of the equation by 3. The Standard Form of the equation is 12x - 2y = 24.

○ 5x - 3y = 15

○ y = ½x + 5⁄2

Step-by-step explanation:

Find the <em>rate</em><em> </em><em>of</em><em> </em><em>change</em><em> </em>[<em>slope</em>]:

-y₁ + y₂\-x₁ + x₂ = m → (-1, 1) and (-2, -2)

\frac{2 + 1}{2 - 1} = 3

__________________________________________________________

According to the Point-Slope Formula, <em>y - y₁ = m(x - x₁)</em>, all the negative symbols give the OPPOSITE terms of what they really are, so be EXTREMELY CAREFUL inserting this coordinate into the formula with their CORRECT SIGNS:

(2, -½) → y + ½ = 3(x - 2)

__________________________________________________________

We do not want fractions in our Standard Equation, so multiply by the denominator to get rid of it:

-3[4x - ⅔y = 8] → -12x + 2y = -24

** They should have multiplied by -3 instead of 3 because that negative is hooked up to everything in the fraction, but since the exercise gave you 12x - 2y = 24, go with 12x - 2y = 24.

__________________________________________________________

If you would take a look at this graph real closely, you will see that this graph intersects the y-axis and x-axis at ENDPOINTS, so to find the x-intercept, you simply plug in <em>zero</em> for <em>y</em>: 5x = 15, and you will know right away that <em>x</em><em> </em>is set to equal 3, which is what you see in the graph, (3, 0). Now, to find the y-intercept, you simply plug in <em>zero</em><em> </em>for <em>x</em>: -3y = 15, and you will know right away that <em>y</em><em> </em>is set to equal -5, which is what you see on the graph as well, (0, -5). With that being said, you have your answer.

__________________________________________________________

y - 3 = ½(x - 1)

y - 3 = ½x - ½

+ 3 + 3

_____________

y = ½x + 2½

* 2½ = 5⁄2

I am joyous to assist you anytime.

4 0
2 years ago
Work in the five days?
Ghella [55]

Answer:

9.3

Step-by-step explanation:

last week she worked 45.6 hours. since 40 hours is the limit for normal working hours, she worked 45.6-40 = 5.6 hours overtime.

this week she worked 9.7+8.3+8+9.1+8.6 hours = 43.7 hours.

she worked therefore 43.7-40 = 3.7 hours overtime.

so, in total of the two weeks, she worked 5.6+3.7 = 9.3 hours overtime.

7 0
3 years ago
What is 4/5 of 20.5?
ira [324]
16.4
20.5/5=4.1
4.1*4=16.4 
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A bottle contains 2 quarts of cooking oil. A chef uses 1/12 quart of cooking oil each day. How many days will the bottle of cook
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It would last 24 days
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Kate reads books that were 240, 450, 240, 160, 165, 170, 180 pages long. What are the mean median and mode and which one describ
ser-zykov [4K]
Order set...{160,165,170,240,240,450}

The "mean" is the arithmetic average of the elements...

mean=(160+165+170+240+240+450)/6=237.5

The "median" if the set has an odd number of terms is the middle term, if the set has an even number of terms, it is the average of the middle two terms.

In this case the number of elements is even and the middle two terms are 170 and 240 so:

median=(170+240)/2=205

The "mode" is the term which appears the most in the set, so in this case:

mode=240
8 0
3 years ago
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