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densk [106]
3 years ago
12

A calendar is regularly priced at $9, but is on sale for 75% off. What is the price after the discount and 5.6% sales tax?

Mathematics
1 answer:
Alexeev081 [22]3 years ago
6 0
It would b 3.50. hope it helps
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(1 point) Suppose F⃗ (x,y)=⟨2y,−sin(y)⟩ and C is the circle of radius 3 centered at the origin oriented counterclockwise. (a) Fi
g100num [7]

Answer:

The required vector parametric equation is given as:

r(t) = <3cost, 3sint>

For 0 ≤ t ≤ 2π

Step-by-step explanation:

Given that

f(x, y) = <2y, -sin(y)>

Since C is a cirlce centered at the origin (0, 0), with radius r = 3, it takes the form

(x - 0)² + (y - 0)² = r²

Which is

x² + y² = 9

Because

cos²β + sin²β = 1

and we want to find a vector parametric equations r(t) for the circle C that starts at the point (3, 0), we can write

x = 3cosβ

y = 3sinβ

So that

x² + y² = 3²cos²β + 3²sin²β

= 9(cos²β + sin²β) = 9

That is

x² + y² = 9

The vector parametric equation r(t) is therefore given as

r(t) = <x(t), y(t)>

= <3cost, 3sint>

For 0 ≤ t ≤ 2π

8 0
3 years ago
PLSSSSSSSSSSSSSSS HELP pls
sertanlavr [38]

{\qquad\qquad\huge\underline{{\sf Answer}}}

Let's solve ~

\qquad \sf  \dashrightarrow \: 10x + 30 = 90

[ according to given figure ]

\qquad \sf  \dashrightarrow \: 10x = 90 - 30

\qquad \sf  \dashrightarrow \: 10x = 60

\qquad \sf  \dashrightarrow \: x = 60 \div 10

\qquad \sf  \dashrightarrow \: x = 6 \degree

Correct choice is D

7 0
1 year ago
What is the slope of the line through (-9,6) (-6,-9)
mina [271]

Answer:

The slope of the line through (−9,6) and (−6,−9) is −5

Step-by-step explanation:

Hope it helps

8 0
3 years ago
Below are the lengths (in minutes) of phone calls made on an 800 line to a business on one day. Fine the five-number summary for
RoseWind [281]

Answer :19

19\

Step-by-step explanation:

3 0
3 years ago
Show that triangle MPT =Triangle MTP​
exis [7]

Unusual notation.  I won't fuss with it.

a. We have isosceles PRT, so angle  RPT = angle RTP.

By the definition of angle bisector, angle MTP = angle MTF, and angle MPT = angle MPU.

We have m angle RTP = m angle MTF + m angle MTP = 2 m angle MTP

Similarly, m angle RPT = 2 m angle MPT

2 m angle MTP = 2 m angle MPT

angle MPT = angle MPT

That's the first part.

b. That makes MPT isosceles.

c. 2x+124=180

2x = 56

x = 28 degrees

MTP = 28 degrees

d.  We have angle RPT=angle RTP=56 so PRT=180-2(56)=68 degrees

PUT = 180 - UTP - UPT = 180 - 28 - 56 = 96 degrees

Bad drawing, PUT looks acute.

angle PRT = 68 degrees, angle PUT = 96 degrees

3 0
3 years ago
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