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vodka [1.7K]
3 years ago
5

One angle of an isosceles triangle measures 90°. Which other angles could be in that isosceles triangle? Choose all that apply.

45, 65, 30,15.
Mathematics
2 answers:
bonufazy [111]3 years ago
7 0

Answer:

45°

Step-by-step explanation:

(180-90)/2 = 90/2 = 45°

bezimeni [28]3 years ago
5 0

The answer is 45°.

Step-by-step explanation:

Hey there!

Since it is an isoceles triangle two angles must be equal.

Also, one angle is 90°. To find other angles, let's suppose one angle as "X", then next angle is also "X". {Since it is an isoceles triangle}.

Then;

x+x+90° = 180° { Sum of interior angles of a triangle is 180°}

or, 2x + 90° = 180°

or, 2x= 180° - 90°

or, 2x = 90°

or, X= 90°/2

or, X=45°.

Therefore, the other angles are 45° and 45°.

<em>Hope</em><em> </em><em>it </em><em>helps</em><em>!</em>

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Write each ratio three ways
mafiozo [28]

2:3

Since 18 ➗ 2 = 9 then 9 ✖️ 3 = 27
Therefore it would be 2:3

The second one would be 4:1

60 ➗ 4 = 15 and since 15 is the opposing number that is the simplest it can go for this problem
Therefore it is 4:1


Hope this helps! :3
4 0
3 years ago
PLEASE HURRY! ;)
dlinn [17]

Answer:

no i dont think i will (its b by the way)

Step-by-step explanation:

5 0
4 years ago
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babymother [125]

Answer:

21.25

Step-by-step explanation:

If 2in is 5ft, then 1 inch is 2.5 ft

Then we can say that the height of the original house is:

8.5 * 2.5 = 21.25 inches

Hope this helps!

4 0
3 years ago
#4
Solnce55 [7]
............15n+12b
5 0
4 years ago
Quantitative noninvasive techniques are needed for routinely assessing symptoms of peripheral neuropathies, such as carpal tunne
Marizza181 [45]

Answer

test statistic t =  -2.27    

P-value p- value  =  0.0198

Step-by-step explanation:

From the question we are told that

     The  first  sample  size is  n_1  = 5

     The first  sample mean is  \= x_1  =  1.76 \ mm

     The first  standard is  s_1   =  0.55

     The second is sample \ size\ is\  n_2 =  11

     The second sample mean is  \= x_2   = 2.56

     The second standard deviation is  \sigma =  0.84

      The level of significance is \alpha  =  0.01

The  null hypothesis is H_o :  \mu_1 - \mu_2 = 0

The  alternative hypothesis is  H_a: \mu_1 - \mu_2 <  0

Generally the test statistics is mathematically represented as

           t =  \frac{ (\= x _1 - \= x_2) - ( \mu_1 - \mu_2)}{ \sqrt{\frac{s_1 ^2 }{ n_1 }  + \frac{s_1 ^2 }{ n_1 }  } }

=>        t =  \frac{ (1.76 - 2.56 ) - 0 }{ \sqrt{\frac{0.55^2 }{ 5 }  + \frac{0.84^2 }{11 }  } }

=>        t =  -2.27      

Generally degree of freedom is mathematically represented as

          df  = n_1 + n_2 - 2

=>       df  = 5 + 11 - 2

=>       df  = 14

From the student t distribution table the probability value to the left that corresponds to t =  -2.27  at a degree of freedom of  df  = 14 is  

        p- value  =  0.0198

           

         

6 0
3 years ago
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