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4 years ago

A triangle that has two sides that are equal is called an ___________________. triangle.

Mathematics

2 answers:

Firdavs [7]4 years ago

6 0

Answer:

isosceles triangle

Step-by-step explanation:

a triangle with two sides that are the same length are called an isosceles triangle.

Anna007 [38]4 years ago

5 0

Answer:

An isosceles triangle therefore has both two equal sides and two equal angles.The name drives from a Greek ISO (same)and skelos(leg).A triangle with all sides equal is called an equilateral triangle,and a triangle with no side is called a Scalene triangle.

Step-by-step explanation:

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A recent study focused on the number of times men and women send a Twitter message in a day. The information is summarized below

jok3333 [9.3K]

Answer:

The value of the test statistic = 2.58

Test statistic Z = - 4.805

|Z| = 4.805 > 2.58

Null hypothesis is rejected The value of the test statistic = 2.58

There is significant difference between in the mean number of times men and women send a Twitter message in a day

Step-by-step explanation:

Step(i):-

Sample size of men n₁ = 25

mean of the first sample x₁⁻ = 20

Standard deviation of the first sample σ₁ = 5

Sample size of women n₂ = 30

mean of the second sample x₂⁻ = 30

Standard deviation of the first sample σ₂ = 10

Level of significance ∝= 0.01

<u>Step(ii)</u>:-

Null Hypothesis : H₀: There is no significant difference between in the mean number of times men and women send a Twitter message in a day

Alternative Hypothesis :H₁:There is significant difference between in the mean number of times men and women send a Twitter message in a day

Test statistic

$Z = \frac{x^{-} _{1} - x^{-} _{2} }{\sqrt{\frac{S.D_{1} ^{2} }{n_{1} }+\frac{ S.D_{2} ^{2}}{n_{2} } } }$

$Z = \frac{20 - 30 }{\sqrt{\frac{(5)^{2} }{25 }+\frac{ (10)^{2} }{ 30} } }$

Z = $\frac{-10}{2.081} = - 4.805$

The value of the test statistic = 2.58 C

|Z| = 4.805 > 2.58

Null hypothesis is rejected The value of the test statistic = 2.58

<u>Conclusion:</u>-

There is significant difference between in the mean number of times men and women send a Twitter message in a day

7 0

3 years ago

Find the value of the question

Viefleur [7K]

Answer:

Step-by-step explanation:

6 0

3 years ago

Mary put new tiles on her kitchen floor. The floor measures 6 feet long by 5 feet wide. she used 10 tiles to cover the entire fl

balu736 [363]

Answer:

30 square feet

Step-by-step explanation:

Number of tiles used for covering the kitchen floor = 10

Area covered by the floor = 6 * 5 feet^2

= 30 square feet

Length of each tiles = 3 feet

Width of each tiles = w feet

Area covered by each tiles = 3w square feet

Then the equation can be written as

3w * 10 = 30

30w = 30

w= 30/30

= 1 feet

10 *3w = 30

6 0

3 years ago

Help Me! Easy math homework help needed please! Find the value of x. Please do all 3!

babymother [125]

Answer:

1. x = -4

2. x = -1/4 or -.25

3. m = 3

5 0

3 years ago

Read 2 more answers

If man salary increase 10 percent after and now become rs 3600 what was his old salary?

LUCKY_DIMON [66]

Answer:

rs 3240

Step-by-step explanation:

10% of 3600 = 360

3600 - 360 = 3240

8 0

3 years ago