1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
timurjin [86]
3 years ago
13

77 meter=_____dm ? Can someone help ?

Mathematics
1 answer:
MariettaO [177]3 years ago
8 0

Answer:

<h2>770 dm</h2>

Step-by-step explanation:

1 meter = 10 decimeter. Deci means ten.

77 meters = 770 dm

You might be interested in
Rectangle GHIJ inscribed in a circle, GK⊥JH, GK = 6cm, m∠GHJ = 15°. Find the radius of the circle. pls help !!
Mariulka [41]

Answer:

6(2 + √3)  

Step-by-step explanation:

Given : Rectangle GHIJ inscribed in a circle. <em>GK⊥JH</em>, <em>GK</em> =  6 cm and <em>m∠GHJ</em>=15°.

To find: Radius<em>(KH)</em> =?

Sol:  As given in figure 1, Since <em>GK⊥JH ∴ m∠GKH = 90° . Let GK = x cm.</em>

Now, In ΔGKH,

tan\Theta =\frac{perpendicular}{base}

tan\Theta =\frac{GK}{KH}

tan 15^{\circ} =\frac{6}{x}  

2-\sqrt{3} =\frac{6}{x}         (∵<em> tan 15°</em> = 2 - √3)

x = \frac{6}{2-\sqrt{3} }

On rationalizing the above expression,

x = \frac{6}{2-\sqrt{3} } \times \frac{2+\sqrt{3} }{2+\sqrt{3} } =\frac{6(2+\sqrt{3} )}{4-3}

Therefore, radius of the circle <em>(KH)</em> = 6 (2+√3)

This is how to find the value of <em>tan 15°</em>

<em>tan</em> 15° = <em>tan </em>(45° -30°)

Now using,

tan(A-B) = \frac{tanA-tanB}{1+tanA tanB}

tan(45^{\circ} - 30^{\circ}) = \frac{tan 45^{\circ}-tan30^{\circ}}{1+tan 45 tan30}

tan(45^{\circ} - 30^{\circ}) = \frac{1-\frac{1}{\sqrt{3}}}{1+1\times \frac{1}{\sqrt{3}}}=\frac{\sqrt{3}-1}{\sqrt{3}+1}

On rationalizing,

tan 15^{\circ} = \frac{\left (\sqrt{3}-1 \right )^{2}}{3-1} =\frac{4-2\sqrt{3}}{2}

Taking 2 common from numerator,

<em>tan</em> 15° = 2 - √3

5 0
3 years ago
Read 2 more answers
Complete the equation of the line through (3,-1)(3,−1)left parenthesis, 3, comma, minus, 1, right parenthesis and (4,7)(4,7)left
Mandarinka [93]

Answer: y=8x-25

Step-by-step explanation:

Given

Line passes through (3,-1)\ \text{ and}\ (4,7)

Equation of line when it passes through two points (x_1,y_1),(x_2,y_2)

\Rightarrow \dfrac{y_2-y_1}{x_2-x_1}=\dfrac{y-y_1}{x-x_1}

Insert the values

\Rightarrow \dfrac{7+1}{4-3}=\dfrac{y+1}{x-3}\\\\\Rightarrow \dfrac{8}{1}=\dfrac{y+1}{x-3}\\\\\Rightarrow 8x-24=y+1\\\Rightarrow y=8x-25  

8 0
3 years ago
151 1/2 over 25 1/4=6
Setler79 [48]

Answer: 6 = 6

Step-by-step explanation:

8 0
2 years ago
Which of the following best shows two elements combining to form a compound!? Explain...
ioda

Answer:

C because elements are form by atoms and when we study about atom we draw atom like circle

so, that's why I think C is correct

 

Step-by-step explanation:

5 0
2 years ago
Find the lengths of g, h, and j. Round answers to the nearest tenth. (marking brainliest for correct)
Bezzdna [24]

Answer:

j=13, g=20.8, h=24

Step-by-step explanation:

The overall shape given and the shape within, are both right triangles. With right triangles, you are allowed to use the pythagorean theorem formula (a^{2} + b^{2} = c^{2}) in order to solve for some sides. In this case, that would be j and h. The five in the smaller triangle is represented by b and the 12 is the hypotenuse so it is represented by c. When you plug in those numbers in the pythagorean theorem formula, you will find the value of j to be 13. When looking at this, we see that 12 is the second greatest value in the right triangle values that we just found, so we know the the opposing angle for that one will be 60 degrees. The 5's opposing side is therefore 30 degrees. When subtracting 90 and 30, we get 60, so therefore you can use the 30 60 90 formula to find the sides of the bigger triangle. The 60 degrees represents g. This formula will be a\sqrt{3}. The a is 12 since it is the smallest value. So therefore, g is 12\sqrt{3}, which is 20.8. Now that we have this side, we can just use the pythagorean theorem formula to find the remaining side. Therefore, h is going to be 24

4 0
3 years ago
Other questions:
  • 19+7÷2-5 by including one pair of brackets to amke the total value equal to 8<br><br><br>​
    10·1 answer
  • Which expression is equivalent to the following complex fraction?
    7·1 answer
  • (1 point) Your velocity is given by v(t)=2t2+8 in m/sec, with t in seconds. Estimate the distance, s, traveled between t=0 and t
    12·1 answer
  • Which test is carried out 15 to 20 weeks into a pregnancy, and allows the analysis of fetal cells that can identify a variety of
    10·1 answer
  • HURRY PLEASE! i need this asap
    12·1 answer
  • 9x two the second power = 1
    15·2 answers
  • The table shows the number of words per minute Jocelyn can type what is the missing value ​
    13·2 answers
  • What is the expression -7x2 + 32x + 240 in factored form?
    10·1 answer
  • Calculate the area of triangle WXY with altitude YZ, given W(2, −1), X(6, 3), Y(7, 0), and Z(5, 2). (6 points) 8 square units 9.
    5·2 answers
  • Question 10(Multiple Choice Worth 1 points)
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!