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ser-zykov [4K]
2 years ago
14

HELP GEOMETRY PLZ!!!

Mathematics
1 answer:
meriva2 years ago
3 0

Answer:

Statement 2.: QK/KL=16/40; PK/MK=26/65

Statement 3.: QK/KL=2/5=PK/MK

Reason 4: Vertical angles

Reason 5: SAS

Step-by-step explanation:

Statement 2:

The smaller of the sides adjacent to <PKQ (QK=16) in triangle PKQ is corresponding with the smaller of the sides adjacent to <MKL (KL=40) in triangle MKL.

The larger of the sides adjacent to <PKQ (PK=26) in triangle PKQ is corresponding with the larger of the sides adjacent to <MKL (MK=65) in triangle MKL.

Ratio of the corresponding sides:

\frac{QK}{KL}=\frac{16}{40}

\frac{PK}{MK}=\frac{26}{65}


Statement 3. Simplifying ratios:

Dividing the numerator and denominator by 8:

\frac{QK}{KL}=\frac{\frac{16}{8}}{\frac{40}{8}}\\ \frac{QK}{KL}=\frac{2}{5}

Dividing the numerator and denominator by 13:

\frac{PK}{MK}=\frac{\frac{26}{13}}{\frac{65}{13}}\\ \frac{PK}{MK}=\frac{2}{5}


Reason 4: <MKL is conguent with <PKQ because they are vertical angles (angles opposite by the vertex)


Reason 5: The two triangles (∆QPK y ∆LMK) have a congruent angle (<MKL with <PKQ) and the corresponding sides including this angle proportionals (QK/KL=2/5=PK/MK), then the two triangles (∆QPK y ∆LMK) are similar. This case is SAS.

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3 years ago
A line goes through the points (-1,9) and (1,1).Write the equation of this line in point slope form using one of these points.
Mashcka [7]

Answer:

y-9= -4(x+1)

Step-by-step explanation:

First, you should know what the format for point slope form is. y-y1=m(x-x1). Now, fill in the points to the x1 and y1 variables. It doesn't matter what ordered pair you use. If the number you fill in is negative, for example, -1, change it to a positive 1. If you're plugging in a positive number such as 9, it becomes -9. Now, it may look like this: y-9=m(x+1). However, you still need to find slope. You can use the expression y-y1/x-x1. 9-1=8. -1-1= -2. So, your slope is 8/-2. However, you can simplify this to -4. Now, plug in -4 to your equation to have your final answer: y-9=-4(x+1).

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Step-by-step explanation:

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3 years ago
Question 13
kicyunya [14]

Answer:

The c intercept is 42

The t intercepts are: 6, -1 and 7

Step-by-step explanation:

Given

c(t) = (t - 6)(t +1)(t-7)

Solving (a): The c intercept

Simply set t to 0

c(t) = (t - 6)(t +1)(t-7)

c(0) = (0 - 6)(0 +1)(0-7)

c(0) = (- 6)(1)(-7)

c(0) = 42

Solving (b): The t intercept

Simply set c(t) to 0

c(t) = (t - 6)(t +1)(t-7)

(t - 6)(t +1)(t-7) = 0

Split

t - 6= 0,\ \ t +1= 0,\ \ t-7 = 0

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2 years ago
Which is the correct spelling of trigonometry
PSYCHO15rus [73]

Answer:

trigonometry

Step-by-step explanation:

hope this helps lovely

7 0
3 years ago
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