i need help please help me

Answer:

d = 140°

Step-by-step explanation:

the sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

a nonagon has 9 sides , then

sum = 180° × 7 = 1260°

sum the angles and equate to 1260

150° + 130° + 130° + 150° + 140° + 140° + 150° + 130° + d = 1260°, that is

1120° + d = 1260° ( subtract 1120° from both sides )

d = 140°

The possible number of solutions to the equations in the system is 2. A solution is a collection of data designated to the unexplored variables.

A solution is a set of values assigned to the unknown variables that ensure the equation's equality.

To put it another way, a solution is a value or a set of values (one for each unknown) that, when substituted for the unknowns, makes the equation equal.

The given system of equation is;

[tex]x^2+y^2=9[/tex]

The standard equation of the  circle is;

[tex](x-h)^2+(y-k)^2=r^2[/tex]

On comparing the given equation with the standard equation;

The first equation shows the center is at origin(0,0). and radius is 3.

The second equation shows the given equation is a straight line.

As we know that a straight line can only intersect a circle at a maximum of 2 points.

Hence the possible number of solutions to the equations in the system is 2.

To learn more about the solution refer to the link;

brainly.com/question/545403

Step-by-step explanation:

23percent *A=46

23/100*A=46

A=46*100/23

A=200

answer Is 200

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Answer:

20 caramel apples are covered with sprinkles

Step-by-step explanation:

Let the fraction representing total number of apples = 120 = 1

We are told in the question:

1/5 of the caramel apple are covered with peanuts 1/3 are covered with chocolate chips 3/10 are covered with coconut The rest with sprinkles

Hence:

1 = 1/5 + 1/3 + 3/10 + Sprinkles

Sprinkles = 1 - (1/5 + 1/3 + 3/10)

LCM = 30

1 - (6 + 10 +9/30)

1 - 25/30

1 - 5/6

Fraction of caramel apples covered sprinkles = 1/6

The number caramel apples covered with sprinkles = 1/6 of 120 caramel apples

= 1/6 × 120

= 20 caramel apples are covered with sprinkles

Answer:

  2. do part 3, then subtract area not painted from the overall area

  3. triangle: 16 ft²; semicircle: 6.28 ft²; rectangle: 48 ft²

  4. 57.72 ft²

Step-by-step explanation:

The area that needs to be painted can be found by determining the overall area of the shape and subtracting the area that is not painted.

__

The area of the triangle is given by the formula:

  A = 1/2bh

  A = 1/2(8 ft)(4 ft) = 16 ft²

The area of the semicircle is ...

  A = 1/2πr²

  A = 1/2(3.14)(2 ft)² = 6.28 ft²

The area of the rectangle is ...

  A = bh

  A = (8 ft)(6 ft) = 48 ft²

__

The triangle and rectangle are painted. They constitute the overall shape of the set piece. The semicircular window is a hole, so does not need to be painted. Then the painted area is ...

  triangle area + rectangle area - semicircle area

  = 16 ft² +48 ft² -6.28 ft² = 57.72 ft² . . . painted area

Answer:

it's the first one your correct

Answer:

The value of g(f(0)) is 36

Step-by-step explanation:

g(f(x)) is a composite function, where f(x) is the value of x in g(x), which means substitute x in g(x) by f(x)

Let us use this rule to solve our question

∵ f(x) = -x + 9

∵ g(x) = x² - 6x + 9

→ Substitute x in g by f

∵g(f(x)) = g(-x + 9)

∴ g(f(x)) = (-x + 9)² - 6(-x + 9) + 9

→ Let us simplify it

∵ (-x + 9)² = (-x)(-x) + (-x)(9) + (9)(-x) + (9)(9)

∴ (-x + 9)² = x² + -9x + -9x + 81

→ Add the like terms (-9x + -9x)

∴ (-x + 9)² = x² + -18x + 81

→ Remember (+)(-) = (-)

∴ (-x + 9)² = x² - 18x + 81

∵ - 6(-x + 9) = -6(-x) + (-6)(9)

∴ - 6(-x + 9) = 6x + -54

∴ - 6(-x + 9) = 6x - 54

→ Substitute them in g(f(x))

∴ g(f(x)) = x² - 18x + 81 + 6x - 54 + 9

→ Add the like terms

∴ g(f(x)) = x² + (-18x + 6x) + (81 -54 + 9)

∴ g(f(x)) = x² + (-12x) + (36)

∴ g(f(x)) = x² - 12x + 36

→ Now substitute x by 0

∴ g(f(0)) = (0)² - 12(0) + 36

∴ g(f(0)) = 0 - 0 + 36

∴ g(f(0)) = 36

There is an easy way to find it quickly

Substitute x in f by 0

f(0) = -(0) + 9

f(0) = 9

Substitute x in g by 9

Find g(9)

g(9) = (9)² - 6(9) + 9

g(9) = 81 - 54 + 9

g(9) = 36

Answer:

This is form as y=mx+c, where m is slope line, c is y- intercept

so by comparain

m=-2/3

Answer:

B--- 12 b (5 a minus 6)

Step-by-step explanation:

i took the quiz (edge 2021)

Answer:

36cm square

:)

Step-by-step explanation:

Step-by-step explanation:

im not really sure because there is no question

Answer:

your answer would be seven

Answer: b = 6/5

..........................

Answer:

x = 8

Step-by-step explanation:

11x - 34 and 7x - 2 are vertical angles and congruent, thus

11x - 34 = 7x - 2 ( subtract 7x from both sides )

4x - 34 = - 2 ( add 34 to both sides )

4x = 32 ( divide both sides by 4 )

x = 8

-----------------------

11x - 34 = 11(8) - 34 = 88 - 34 = 54

18y and 11x - 34 are adjacent angles and supplementary , thus

18y + 54 = 180 ( subtract 54 from both sides )

18y = 126 ( divide both sides by 18 )

y = 7

Answer:

The two answers that you have are correct: m<1=(4x-10) and m<2=58

Step-by-step explanation:

Answer:

A & B

mAngle1 = (4 x minus 10) degrees

mAngle2 = 58Degrees

Step-by-step explanation:

I GOT ONE QUESTION WRONG ON THE QUIZ BUT IT WASNT THIS ONE SO WOO

yes IF

20² = 11² + 18²

20² = 400

and

11² + 18² = 121 + 324 = 445

so NOT a right triangle

Answer:

A, a centimeter is smaller so therefore it is more accurate.

Answer:

g(x) = (x - 2)²

Step-by-step explanation:

If we want to shift a function to the right, we subtract the number we are asked to move to the right inside the function's argument:

⇒ To shift f(x) b units to right → f(x - b)

Similarly, in function notation, if we want to shift a function to the left, we add the number we are asked to move to the left inside the function's argument:

⇒ To shift f(x) b units to left → f(x + b)

Given function f(x) = x²

Shift 2 units to the right:  f(x - 2) = (x - 2)²

Therefore, g(x) = (x - 2)²

----------------------------------------------------------------------

Additional info:

g(x) = (x - 2)²

      = (x - 2)(x - 2)

      = x² - 4x + 4

Answer:

y = 4x + 8

Step-by-step explanation:

A linear formula always follows by y = mx + c, where m is the gradient and c is the y-intercept or constant.

Since you know that the slope is 4, all you need to do is find the y-intercept (constant)

y = 4x + c

Sub in the points (-4, -8)

-8 = 4(-4) + c

-8 + 16 = c

c = 8

Hence, y = 4x + 8

Please see the solution.

[tex]Since\ x\ is\ the\ smavest\ number,\\ the\ Cavgent\ number\ equals\ to\ x+6.[/tex]

[tex]a)\frac{1}{4}x[/tex]

[tex]b)\frac{1}{3}(x+6)-5=\frac{1}{3}x+2-5=\frac{1}{3}x-3[/tex]

I hope this helps you

:)

Step-by-step explanation:

20.32cm=8in.

17.78cm=7in.

volume of cylinder=

[tex] \frac{22}{7} \times 20.32 \times 20.32 \times 17.78 = 23072.99cm ^{3} [/tex]

[tex] \frac{22}{7} \times 20.32 \times 20.32 \times 35.56 = 46145.97cm^{3}[/tex]

Answer:

Substitute the given values of x into the given equation to find the values of y:

when x = -8

[tex]y=\dfrac54(-8)+1=-9[/tex]

Point = (-8, -9)

when x = -4

[tex]y=\dfrac54(-4)+1=-4[/tex]

Point = (-4, -4)

when x = 0

[tex]y=\dfrac54(0)+1=1[/tex]

Point = (0, 1)

when x = 4

[tex]y=\dfrac54(4)+1=6[/tex]

Point = (4, 6)

when x = 8

[tex]y=\dfrac54(8)+1=11[/tex]

Point = (8, 11)

Answer:

B

Step-by-step explanation:

consider the coordinates of T and T'

T (1, - 2 ) and T' (- 3, 1 )

1 → - 3 in the x- direction is - 4

- 2 → 1 in the y- direction is + 3

then the translation rule is (x, y ) → (x - 4, y + 3 )

Answer:

87 sq in

Step-by-step explanation:

Surface area of the net

[tex] = 3(8) + 3(6) + (2) \frac{1}{2} (6)(5) + (5)(3) \\ \\ = 24 + 18 + 30 + 15 \\ \\ = 87 \: {in}^{2} [/tex]

Answer:

d

Step-by-step explanation:

he bought 12.5

Answer:

length needs to be >10

Step-by-step explanation:

If we put 10 as the length as 10 it would equate to 50 square inches

but the question asks for greater than 50

therefore the length needs to be more than 10

Angle A = 100 (supplementary to the 80 angle)
Angle D = 100 (same reason)
Angle I = 130 (supplementary to the 50 angle)
Angle K = 100 (supplementary to angle H, and angle H = 80 since it is corresponding to the 80 angle)
Angle E = 80 (supplementary to angle A, and angle A = 100)

Note : Supplementary angles add up to 180, and corresponding angles are equal to each other. (with the condition of 2 lines are parallel to each other.)

Answer:

Angle A = 100

Angle D = 100

Angle I = 130

Angle K = 100

Angle E = 80

Step-by-step explanation:

Answer:

The answer is the first one (12+15) / 4