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Tanzania [10]
3 years ago
5

Write down the exact value of: a) cos 45° b) sin 60° C) tan 60°

Mathematics
2 answers:
borishaifa [10]3 years ago
8 0

Answer:

cos45 = √2/2 = 0.707.

sin60 = √3/2 = 0.866.

tan60 = √3 = 1.732.

Step-by-step explanation:

ANEK [815]3 years ago
4 0

Answer:

a)squareroot 2/2

b)squareroot 3/2

c)squareroot 3

Step-by-step explanation:

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Solve the equation x – 5 = 0.1(x + 5) for x
AlexFokin [52]

Answer:

Step-by-step explanation:

x - 5 = 0.1(x +5)

x - 5 = 0.1x + 5*0.1

x -5 = 0.1x + 0.5 {Add 5 to both sides}

  x = 0.1x + 0.5 + 5

  x = 0.1x + 5.5

x -0.1x = 5.5      {subtract 0.1x from both sides}

  0.9x =5.5         {Divide both sides by 0.9}

        x = 5.5/0.9

       x = 55/9

       x = 6 1/9

5 0
3 years ago
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The_______of a number is the distance between the number and zero on a number line​
xxTIMURxx [149]

Answer:

The answer is absolute value.

Step-by-step explanation:

The distance between a number's place on the number line and is called the number's absolute value.The absolute value of a number is its distance from 0 on a number line

7 0
3 years ago
If f(x)=x²+3x+5, what is f(3+h)?
Simora [160]
You have to substitute 3+h for x, then work out the equation.

(3+h)^2 + 3(3+h) + 5 = 9 + 6h + h^2 + 9 + 3h + 5 =

h^2 + 9h + 23

Answer B.
8 0
4 years ago
Simplifying ratios <br> 10:50
rosijanka [135]

Answer:

1:5

Step-by-step explanation:

10 can be divided by by both numbers

4 0
3 years ago
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Adi is t inches shorter than sunnee sunnee is n inches taller which expression repesent adies hight in inches
kramer

Answer:

adi's height = n-t inches

Step-by-step explanation:

from this question

we have Adi to be t inches shorter than sunnee.

sunnee's height = n inches tall

to get adis height, we have to subtract the height difference t from sunnee's height.

the height difference is how many inches by which Adi is shorter = t

adies height = sunnee's height, n - difference in height, t

= <em><u>(</u></em><em><u>n-t)</u></em><em><u> </u></em><em><u>inches</u></em>

<em><u>this </u></em><em><u>expression</u></em><em><u> </u></em><em><u>represents</u></em><em><u> </u></em><em><u>adis</u></em><em><u> height</u></em><em><u> </u></em><em><u>in </u></em><em><u>inches </u></em><em><u>.</u></em>

8 0
4 years ago
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