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bazaltina [42]
3 years ago
13

Choose the inequality that represents the following graph.

Mathematics
2 answers:
kvv77 [185]3 years ago
7 0
It’s x < -2
........
OverLord2011 [107]3 years ago
7 0

the answer is C since it needs to be lees than or -2

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What is the answer to -23+(-17)
Montano1993 [528]
-40 is the answer to this problem
8 0
3 years ago
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1. Considere as funções f e g, ambas com domínio Z, dadas por f(x) = x²- 2x e g(x) = x³-1. Associe as colunas e assinale a alter
ivolga24 [154]

Answer:

(A)C,D,A,B

Step-by-step explanation:

f(x) = x^2- 2x\\g(x) = x^3-1

a) f(-2)

f(-2) = (-2)^2- 2(-2)\\=4-(-4)\\=4+4\\=8$ (C)

b) g(-2)

g(-2) = (-2)^3-1\\\=-8-1\\=-9 $(D)

c) f(-1)+g(3)

f(-1) = (-1)^2- 2(-1)=1+2=3\\g(3) = (3)^3-1=27-1=26\\f(-1) + g(3)=3+26\\=29$ (A)

d) f(5) : g(2)

f(5) = (5)^2- 2(5)=25-10=15\\g(2) = (2)^3-1=8-1=7\\f(5) :g(2)=15/7$ (B)

4 0
3 years ago
John bought an iPad for $425.His total price was $450.50 when he checked out at the register.What percent sales tax did he pay?
lbvjy [14]

Answer:

6%

Step-by-step explanation:

450.5 - 425 = 25.5

25.5/425= .06

.06 times 100 = 6

3 0
3 years ago
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The average attendance at a local high school this year was 950 students. Each year the attendance decreases at a rate of 5% per
o-na [289]

Answer:

Number of students= 820.64 = 821

Step-by-step explanation:

Giving the following information:

Current attendance= 950 students

Number of periods= 3 years

Decrease rate= 5%

<u>To calculate the number of students in attendance in 3 years, we need to use the following formula:</u>

Number of students= current attendance*(1+decrease rate)^(-n)

Number of students= 950*(1.05^-3)

Number of students= 820.64 = 821

5 0
3 years ago
At a local department store sweaters typically cost $30 however due to a special the sweaters are reduced to$6 what percent of t
sineoko [7]

The sweater prices have reduced by 80% due to the special.

Step-by-step explanation:

Step 1; Cost before reduction was $30. The cost after reduction was 6$. Cost reduced= cost before reduction - cost after reduction

Cost reduced= $30 - $6 = $24

Step 2; We must find how much of the cost was reduced from the initial cost i.e. how much $6 is to $30. To do this we must convert it into a percentage. We divide the $6 with the $30 to get a value. This value must be multiplied with a 100 to be converted into a percentage.

Cost by which sweater was reduced= 24/30 * 100 = 0.8 * 100 = 80%.

So the price of the sweater was reduced from $30 to $6 which means there was a reduction of 80%.

8 0
3 years ago
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