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elena55 [62]
3 years ago
14

The sale price of a jacket is 77% of its original price. The jacket originally costs $87. Which expression gives the most reason

able estimate of the sale price?
Mathematics
2 answers:
snow_tiger [21]3 years ago
5 0

Answer:

$20.01

Step-by-step explanation:

100%-77%= 23%

They would only be paying for 23% of the original cost

$87 x 23% = $20.01

Leviafan [203]3 years ago
3 0

Answer:

C

I just did this question on Edgneuity

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EastWind [94]
4 (i literally had to think about this cause i thought it was too easy )
6 0
3 years ago
Find a nonzero vector orthogonal to the plane through the points: ????=(0,0,1), ????=(−2,3,4), ????=(−2,2,0).
ser-zykov [4K]

Answer:

The nonzero vector orthogonal to the plane is <-9,-8,2>.

Step-by-step explanation:

Consider the given points are P=(0,0,1), Q=(−2,3,4), R=(−2,2,0).

\overrightarrow {PQ}==

\overrightarrow {PR}==

The nonzero vector orthogonal to the plane through the points P,Q, and R is

\overrightarrow n=\overrightarrow {PQ}\times \overrightarrow {PR}

\overrightarrow n=\det \begin{pmatrix}i&j&k\\ \:\:\:\:\:-2&3&3\\ \:\:\:\:\:-2&2&-1\end{pmatrix}

Expand along row 1.

\overrightarrow n=i\det \begin{pmatrix}3&3\\ 2&-1\end{pmatrix}-j\det \begin{pmatrix}-2&3\\ -2&-1\end{pmatrix}+k\det \begin{pmatrix}-2&3\\ -2&2\end{pmatrix}

\overrightarrow n=i(-9)-j(8)+k(2)

\overrightarrow n=-9i-8j+2k

\overrightarrow n=

Therefore, the nonzero vector orthogonal to the plane is <-9,-8,2>.

8 0
4 years ago
Simplify.
alexgriva [62]

Answer:

It's - 17x trust me it's right

7 0
3 years ago
Alice baked 88 cookies with 11 scoops of flour. With 12 scoops of flour, how many cookies
kari74 [83]
Then Alice has a lot of spare time and I need points !!
6 0
3 years ago
Read 2 more answers
Jolly measured the cake. Then she calculated that it has a circumference of 15cm. what is the cake's diameter? Use 3.14 for pi.
Hatshy [7]

Answer:

4.76cm

Step-by-step explanation:

Given data

circumference= 15cm

The expression for circumference is

C= 2πr

substitute and solve for r

15= 2*3.14*r

r= 15/ 2*3.14

r=15/ 6.28

r= 2.38 cm

Hence the diameter is

D= 2r

D= 2*2.38

D=4.76cm

6 0
3 years ago
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