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2 years ago

12

Anna only wants to go on 5 rides at the fair. She can either buy a pass for

1 answer:

lara [203]2 years ago

3 0

C because 15$ is less than 30$ I have steps in comments

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The sum of the measure of the interior angles of a polygon is 1980°. What polygon is it?

Gwar [14]

Answer:

tridecagon/triskaidecagon

Explanation:

sum of interior angles= <span>180<span>(n−2)</span></span> degrees, n being the number is sides in the polygon.

sum of interior angles= 1980

<span>180<span>(n−2)</span>=1980</span>

divide by 180:

<span>n−2=<span>1980180</span>=11</span>

add 2:

<span>n=11+2=13</span>

If a polygon has 13 sides, it is called a tridecagon or a triskaidecagon.

8 0

2 years ago

Simplify 8^3 divided by 4^2. A.) 2 B.) 3 C.) 33

N76 [4]

Answer:

32

Step-by-step explanation:

$\frac{8^{3}}{4^{2}} = \frac{512}{16} = 32$

7 0

2 years ago

Read 2 more answers

The expansion of (x-2)(x+2) is …..

KengaRu [80]

Answer:

x2-4

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Identify the value of p. Give your answers in simplest radical form. HELP PLEASE!!

VikaD [51]

Answer:

C

Step-by-step explanation:

using the cosine ratio to find p

cos 45° = $\frac{adjacent}{hypotenuse}$ = $\frac{6}{p}$

cross- multiplying gives

p × cos45° = 6 → [ cos 45° = $\frac{1}{\sqrt{2} }$ ]

p × $\frac{1}{\sqrt{2} }$ = 6

multiply both sides by $\sqrt{2}$

⇒ p = 6 $\sqrt{2}$ ( third option on list )

7 0

3 years ago

In the coordinate plane, the point A, 4− 2 is translated to the point A′, 1− 5. Under the same translation, the points B, 7− 4 a

Inga [223]

Answer:

The coordinates of B' and C' are $B'(x,y) = (4, -7)$ and $C'(x,y) = (-1, -8)$ , respectively.

Step-by-step explanation:

From the Linear Algebra, we define the translation of a given point as:

$O'(x,y) = O(x,y) + T(x,y)$ (1)

Where:

$O(x,y)$ - Original point, dimensionless.

$T(x,y)$ - Translation vector, dimensionless.

$O'(x,y)$ - Translated point, dimensionless.

If we know that $A'(x,y) = (1, -5)$ and $A(x,y) = (4,-2)$ , then the translation vector is:

$T(x,y) = A'(x,y)-A(x,y)$ (2)

$T(x,y) = (1,-5)-(4,-2)$

$T(x,y) = (-3,-3)$

If we know that $B(x,y) = (7,-4)$ , $C(x,y) = (2,-5)$ and $T(x,y) = (-3,-3)$ , then the translated points are, respectively:

$B'(x,y) = B(x,y)+T(x,y)$ (3)

$B'(x,y) = (7,-4) +(-3,-3)$

$B'(x,y) = (4, -7)$

$C'(x,y) = C(x,y) +T(x,y)$

$C'(x,y) = (2,-5) + (-3,-3)$

$C'(x,y) = (-1, -8)$

The coordinates of B' and C' are $B'(x,y) = (4, -7)$ and $C'(x,y) = (-1, -8)$ , respectively.

5 0

2 years ago