3 years ago

Define the word triangle

Mathematics

2 answers:

kirill115 [55]3 years ago

7 0

Answer:

<h3>The definition of triangle is a plane figure with three straight sides and three angles. </h3>

NARA [144]3 years ago

3 0

A plane 2-dimensional figure with three straight sides and three angles.

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Find the perimeter of the figure when l = 15 m, w = 9 m, x = 3 m, and y = 6 m

Andru [333]

Answer:

Step-by-step explanation:15+15+9+9+3+3=54

8 0

3 years ago

Tom is putting money into a savings account. He starts with $650 in the savings account, and each week he adds $60 . Let S repre

mario62 [17]

S = 60W + 650 <== ur equation

after 18 weeks...so sub in 18 for W

S = 60(18) + 650
S = 1080 + 650
S = 1730 <==

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3 years ago

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A recent poll of 120 randomly selected adults who frequent the local farmer's market found that 54 have purchased reusable clot

Olenka [21]

Answer:

95% Confidence interval: (0.361,0.539)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 120

Number of farmers who reusable cloth bags, x = 54

$\hat{p} = \dfrac{x}{n} = \dfrac{54}{120} = 0.45$

95% Confidence interval:

$\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$z_{critical}\text{ at}~\alpha_{0.05} = \pm 1.96$

Putting the values, we get:

$0.45\pm 1.96(\sqrt{\dfrac{0.45(1-0.45)}{120}}) = 0.45\pm 0.089\\\\=(0.361,0.539)$

is the required 95% confidence interval for the proportion of adults who have purchased reusable cloth bags.

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3 years ago

Are the triangles named below congruent? Justify your answer.<br> AABC<br> AAED

Anni [7]

Yes, sides AC and AD are congruent and lines BC and DE are also congruent. They also share angle A and bc of the SSA congruence Theorem that means they are congruent.

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2 years ago

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Complete the table below.<br> X Y=3x^2 Y=3x<br> 0 0 1<br> 1<br> 2

wlad13 [49]

Answer:

y= 3x^2 y= 3^x

1. 3. 3

2. 12. 9

Step-by-step explanation:

3(1)^1

3^1

3(2)^2

3(4)

3^2

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2 years ago