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3 years ago

What’s the answer to this problem?

Mathematics

2 answers:

Schach [20]3 years ago

8 0

Answer:

-4

Step-by-step explanation:

Common sense

Delicious77 [7]3 years ago

3 0

Answer:

f (-4)=0

f (-1)=3

f (0)=0

Step-by-step explanation:

The answers are the y value for the given x values on the graph.

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Using the until circle, what is the exact value of tan 2pi/3

Klio2033 [76]

Tan 2 pi/3= (sin2pi/3)/(cos2pi/3)= (sqrt 3)/2 dividend by (-1/2)= - sqrt 3

7 0

3 years ago

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How do you get the perimeter of a triangle, all side are 28 cm?

Alisiya [41]

Perimeter of the triangle, a+b+c

In this case, a=b=c=28

So, perimeter would be 28*3 = 84 cm

7 0

3 years ago

|3x| = 9<br> Variable please.

Lorico [155]

Answer:

x = 3 or x = -3

Step-by-step explanation:

The absolute value of 3x = 9

Divide nine by 3 to get 3

Absolute value represents the number of spaces an integer is from 0, so the answer could also be -3, as the absolute value of 3 x -3 (-9) is 9.

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3 years ago

Someone please help me?

Harman [31]

The answer is 23 because I know this answer.

8 0

4 years ago

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Backpack is normally $64.99, put on sale it is marked down to $45.49 what percent off is the sale price

pogonyaev

Answer:

The percent off on the sale price is 30%.

Step-by-step explanation:

Marked up price = $64.99

marked down Price = $45.49

Let us assume the off percentage = k%

Now, the Amount off on the sale = Marked up price - Marked down price

= $64.99 - $45.49 = $19.5

⇒ k% off on Marked up Price $64.99 = $19.5

or, $\frac{k}{100} \times 64.99 = 19.5\\\implies k = \frac{19.5 \times 100}{64.99} = 30$

or, k = 30%

Hence, the percent off on the sale price is 30%

8 0

3 years ago