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3 years ago

. The angle measures of a triangle are shown in the diagram. What is the value of x?

Mathematics

1 answer:

vodka [1.7K]3 years ago

6 0

Answer:

ok the second one the answer is 66

Step-by-step explanation:

we get that x=180/48/2=66 hope this helps I wanted to help you just for a thx

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Divide the following polynomial using synthetic division, then place the answer in the proper location on the grid. Write answer

Natalija [7]

X^2+8x+19+39/(x-2)
I cant show how to use synthetic unless I attach a file

7 0

4 years ago

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A sequence is defined by the explicit formula an=3n+4 Which recursive formula represents the same sequence of numbers?

fomenos

Answer:

Option (3)

Step-by-step explanation:

Explicit formula of the sequence is,

$a_n=3^n+4$

From this explicit formula,

First term of the sequence will be,

$a_1=(3^1)+4$

$a_1=7$

Second term of the sequence,

$a_2=(3^2)+4$

$a_2$ = 13

3rd term of the sequence,

$a_{3}=(3^3)+4$

= 31

Sequence formed,

7, 13, 31 ..........

From the given options,

Recursive formula,

$a_n=3a_{n-1}-8$

$a_2=3(a_1)-8$

$a_2=3(7)-8$

$a_2=21-8$ = 13

$a_3=3a_2-8$

$a_3=3(13)-8$

= 39 - 8

= 31

Sequence formed from this recursive formula will be,

7, 13, 31........

Therefore, Option (3) will be the answer.

5 0

3 years ago

What is the length of the segment with endpoints A(1,7) and B(-3, -1)?

kap26 [50]

Answer:

$d = \sqrt{80} = 8.94$

Step-by-step explanation:

We can find the distance using the distance formula:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

We then substitute (1,7) as $(x_1,y_1)$ and (-3,-1) as $(x_2,y_2)$ .

$d=\sqrt{(-3-1)^2+(-1-7)^2} \\d=\sqrt{(-4)^2+(-8)^2} \\d=\sqrt{16+64}\\d=\sqrt{80}=8.94$

5 0

3 years ago

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Find the Area of the figure

sineoko [7]

The figure is made up of two semi-circles and one triangle

--------------------------------
Find Radius
--------------------------------
Radius = Diameter ÷ 2
Radius = 5 ÷ 2
Radius = 2.5 ft

Area of the semi-circle = 1/2 πr²
Area of the semi-circle = 1/2 x π x (2.5)²
Area of the semi-circle = 9.82 ft²

Area of the triangle= 1/2 x base x height
Area of the triangle = 1/2 x 6 x 4
Area of the triangle = 12 ft²

Total area = 9.82 + 9.82 + 12
Total area = 31.63 ft²

--------------------------------------------
Total Area = 31.63 ft²
--------------------------------------------

4 0

4 years ago

Solve by elimination 3x-y=14 5x+4y=12

Firdavs [7]

Answer:

Step-by-step explanation:

7 0

3 years ago

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