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STatiana [176]
3 years ago
9

Please help! Will give brainliest. 15 points

Mathematics
1 answer:
Leokris [45]3 years ago
6 0

Answer:

See Explanation

Step-by-step explanation:

In\: \triangle ABD \: \&\: \triangle ACB\\\angle BAD \cong \angle CAB... (common \: \angle 's) \\\angle ABD \cong \angle ACB... (each\: 45\degree) \\\therefore \triangle ABD \: \sim\: \triangle ACB... (By\: AA\: postulate) \\

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Solve for x (13x + 2) (5x - 7) (3x - 4)<br><br><br> Thank you
Law Incorporation [45]

\huge \bf༆ Answer ༄

As we know, sum of interior angles of a triangle is 180°

that is ~

  • \sf13x + 2 + 5x - 7 + 3x - 4 = 180

  • \sf21x  - 9 = 180

  • \sf21x = 180 + 9

  • \sf x =  \dfrac{189}{21}

  • \sf x = 9 \degree

Hence, value of x is 9°

5 0
2 years ago
Read 2 more answers
A sample of students at a university took a test that diagnosed their learning styles as active or reflective and also as visual
anastassius [24]

Answer:

Kindly check explanation

Step-by-step explanation:

Given that :

Sample size, n = 39

Correlation Coefficient, r = 0.273

The hypothesis test to examine if there is a positive correlation :

H0 : ρ = 0

If there is a positive correlation, then ρ greater than 1

H0 : ρ > 1

The test statistic :

T = r / √(1 - r²)/(n - 2)

T = 0.273 / √(1 - 0.273²)/(39 - 2)

T = 0.273 / 0.1581541

T = 1.726

The Pvalue using a Pvalue calculator can be be obtained using df = n - 2, df = 39 - 2 = 37

The Pvalue = 0.0463

α= .10 and α= .05

At α= .10

Pvalue < α ; Hence, we reject H0 and conclude that a positive correlation exists

At α= 0.05 ;

Pvalue < α ; Hence, we reject H0 and conclude that a positive correlation exists

3 0
2 years ago
Jose and Mila are buying jelly beans. Jose’s bag of jelly beans weighs 1.5 pounds. Mila’s bag of jelly beans weighs 2.75 pounds.
IgorC [24]

17 dollars total for Jose and Mila's jelly beans.

<em>Add 1.5 and 2.75 together to get 4.25</em>

<em>Multiply 4.25 by 4 to get 17</em>

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3 years ago
The temperature in Fargo North Dakota was 6°F at noon. By 4 PM the temperature dropped to -10°F. What integer represents the cha
tiny-mole [99]
The change expressed as an integer is -16.
5 0
3 years ago
What is 5.4 x 2 3/4 show your work
VladimirAG [237]

Answer:

14.85

Step-by-step explanation:

4.4 x 2.75 = 14.84

       2.75

       4.4

      -------

     (Multiply it out)

3 0
3 years ago
Read 2 more answers
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