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3 years ago

Please Answer full question below thanks

Mathematics

1 answer:

sladkih [1.3K]3 years ago

5 0

Answer:

45*

Step-by-step explanation:

180-115=65

65=angle 2

180-110=70

70=angle 1

70+65=135

180-135=45

45=angle 7

angle 7 and 6 are vertical angles so angle 6=45

angle 6 and angle 5 are an example of alternate interior angles soo

angle 5=45*

Hope I helped!

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Clare is painting some doors that are all the same size. She used 2 liters of paint to cover 135 doors. How many liters of paint

pashok25 [27]

Answer:

uhh 25%

Step-by-step explanation:

4 0

3 years ago

Suppose a kite has two congruent angles of 100°. Of the remaining angles, one is four times larger than the other. What is the m

Pani-rosa [81]

Answer:

The measure of the largest angle in the kite is 128 degrees

Step-by-step explanation:

we know that

The sum of the interior angles in any quadrilateral must be equal to 360 degrees

A kite is a quadrilateral

Let

A,B,C and D the measure of the interior angles

$A+B+C+D=360^o$

we have that

$A=B=100^o$

substitute

$100^o+100^o+C+D=360^o$

$C+D=160^o$ ----> equation A

Remember that

one is four times larger than the other

$C=4D$ ----> equation B

substitute equation B in equation A

$4D+D=160$

solve for D

$5D=160\\D=32^o$

Find the measure of angle C

$C=4(32)=128^o$

therefore

The measure of the largest angle in the kite is 128 degrees

5 0

3 years ago

What is -1060 degrees in radians

mart [117]

-18.5004901 that’s the answer! Hope this helps!

7 0

3 years ago

Select the graph of the solution. Click until the correct graph appears. |x| = 3

shtirl [24]

The correct graph is the third one, with the solid dots at -3 and 3.

The bars around x stand for absolute value, which is defined as the distance a number is from 0. We want to know what number or numbers is/are 3 units away from 0 on a number line; the only choices are 3 or -3.

This means we must plot points at -3 and 3. They must be solid points, since these numbers are included in the solution (they are, in fact, the only ones of the solution).

4 0

3 years ago

Answer for all please

malfutka [58]

Answer:

a) 'X' be the random variable in discrete distribution

b) The value of y = 0.2

c) The mean value or Expectation value

E (X) = 1.25

d)

The variance σ² of the discrete distribution function is

Variance ( V(x)= 1.2875

Step-by-step explanation:

Step(i):-

Given data

x : 0 1 2 3 4

P(x) : 0.30 0.35 y 0.10 0.05

Let 'X' be the random variable in discrete distribution

Given data is discrete distribution

i) If the numbers $p(x_{i} )\geq 0$ for all values of 'i'

ii) ∑P(x) = 1

Given data $p(x_{i} )\geq 0$ for all values of 'i'

∑P(x) = 1

0.30+0.35+y+0.10+0.05 =1

y + 0.8 = 1

y = 1 -0.8 = 0.2

b) The value of y = 0.2

Step(ii):-

Expectation:

Given data

x : 0 1 2 3 4

P(x) : 0.30 0.35 0.2 0.10 0.05

The mean value or Expectation value

E (x) = ∑ x p ( X = x)

= 0 × 0.30 + 1 × 0.35 + 2 × 0.2 + 3 × 0.10 + 4 × 0.05

= 0 + 0.35 + 0.4 + 0.30 + 0.2

= 1.25

Variance of X

The variance σ² of the discrete distribution function is defined by

σ² = ∑ x² p(x=x) - μ²

= 0× 0.30 + 1² × 0.35 + 2²× 0.2 +3²× 0.10 + 4²× 0.05 - (1.25)²

= 0 + 0.35 + 0.8 + 0.9 + 0.8 - 1.5625

= 1.2875

conclusion:-

The mean value or Expectation value = 1.25

The variance σ² of the discrete distribution function

V(X) = 1.2875

3 0

3 years ago