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2 years ago

14

3. Classify each triangle by its angles and its sides

2 answers:

N76 [4]2 years ago

6 0

11. isosceles triangle (two same lengths and angles) 12. equilateral triangle (all same side lengths and angles)

aniked [119]2 years ago

6 0

11. Isosceles triangle.
Can be identified when two sides are equal and adjacent base angles are equal.

12. Equilateral triangle.
Can be identified when all sides are equal and all interior angles = 60 degrees.

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The distance between the y value in the data and the y value predicted from the regression equation is known as the residual. wh

kupik [55]

A. SS = r²(SS_x)

B. SS = (1-r²)(SS_x)

C. SS = r²(SS_y)

D. SS= (1-r²)(SS_y)

The residual sum is given in the picture below so it is D which is correct.

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2 years ago

For brainiest:):):)):)

gtnhenbr [62]

Answer:

1)50.24 2) 254.34

Step-by-step explanation:

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3 years ago

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A man buys 30 birds, which are sparrows, turtle-doves, and doves, for 30 dollars. Three sparrows cost 1 dollar, two turtle-doves

kap26 [50]

Answer: The two equations that represent the conditions in the problems are $\dfrac{s}{3}+\dfrac{t}{2}+2d=30$

$s+t+d=30$

Step-by-step explanation:

Since we have given that

Cost of 3 sparrows = $1

Cost of 2 turtle doves = $1

Cost of 1 dove = $2

Number of birds = 30

total cost = $30

So, Cost of s sparrows would be

$\dfrac{1}{3}s$

Cost of t turtle doves would be

$\dfrac{1}{2}t$

Cost of d doves would be

$2t$

According to question, it becomes,

$\dfrac{s}{3}+\dfrac{t}{2}+2d=30$

and

$s+t+d=30$

Hence, the two equations that represent the conditions in the problems are $\dfrac{s}{3}+\dfrac{t}{2}+2d=30$

$s+t+d=30$

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2 years ago

The sum of a number and 17

Aleks [24]

X+17
im pretty sure this is the answer

6 0

3 years ago

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Change the decimal number 3.5 into a mixed number

iren2701 [21]

Answer: $3\frac{1}{2}$

<u>Multiply</u>

<u></u> $3.5/1*10/10=35/10$ <u></u>

<u></u>

<u>Divide each side by 5</u>

$35/10$ ÷ $5/5=7/2$

$7/2=3\frac{1}{2}$

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3 years ago

Read 2 more answers