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Ket [755]
3 years ago
15

Find cot x. sinx=sqrt(2)/2, x is in quadrant 2

Mathematics
1 answer:
wariber [46]3 years ago
6 0

Answer:

1

Step-by-step explanation:

Sin(x)=\sqrt(2)/2 is when x=\pi/4 so cot(\pi/4)=1

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If an instrument measures in units of 10, then any value between which two values would be measured as 80?
enyata [817]

Answer:

The answer is 75 and 85.

Step-by-step explanation:

If the instrument measures in units of 10, then the measurement could be 5 units on either side of 80 (80 − 5 = 75, 80 + 5 = 85). Any value between 75 and 85 would be measured as 80.

4 0
3 years ago
If you multiply two decimals less than 1 can you predict whether the product will be less than or greater than either of the fac
ki77a [65]

I predict that the product will be less than either of the factors.

When you multiply two numbers less than ' 1 ', you are
calculating the size of a piece of a piece.  It winds up being
smaller than either of the pieces.

3 0
3 years ago
Mr. Roboto has bought a can of paint can you use 3/8 of it to paint a bookshelf in use 1/4 of its pink leg and he used some of i
NNADVOKAT [17]

Answer: Fraction of paint used for bird  house = \dfrac14

Step-by-step explanation:

Let quantity of the total paint be 1.

Given:  Fraction of paint to book shelf = \dfrac38

Fraction of Paint to leg = \dfrac14

Fraction of Paint left = \dfrac18

Let x= fraction of paint used for bird house.

Total paint = \dfrac38 +\dfrac 14+\dfrac18+x=1

\Rightarrow\ \dfrac{3+2+1}{8}+x=1\\\\\Rightarrow\ \dfrac{6}{8}+x=1\\\\\Rightarrow\ x=1-\dfrac68\\\\\Rightarrow\ x=\dfrac{2}{8}=\dfrac14

So, Fraction of paint used for bird  house = \dfrac14

7 0
3 years ago
Use the FOIL method to find the product below.<br> (x+3)(x2 - 6x)
trasher [3.6K]

Answer:

18x

Step-by-step explanation:

Answer: 18x

x3 - 3x2

First 3 and last 2 are exponets

5 0
4 years ago
Can someone please help
andre [41]

Answer:

x ≥ 1  (how to graph is listed below)

Step-by-step explanation:

To find where we need to plot the line, we first need to solve the inequality for x:

-2x - 3 ≤ -5

(Add three to both sides)

-2x ≤ -2

(Divide both sides by -2, but we can't forget that whenever we multiple or divide by a negative number, the sign flips!)

x ≥ 1

To graph this on the number line, you would put a dot on the 1 and fill it in completely (you fill in the dot for a "___ and equal to" sign.     ex. ≥, ≤)

Then you would make an arrow from the dot to the right on the number line (this is because x must be greater than or equal to 1, so it must be facing in that direction)

8 0
3 years ago
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