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klasskru [66]
3 years ago
9

What does 9m-14=-8 equal?

Mathematics
2 answers:
dem82 [27]3 years ago
8 0
9m-14=-8 9m=6 so, m=2/3
tia_tia [17]3 years ago
7 0
9m-14=-8\ \ \ \ | add\ 14\\\\
9m=6\ \ \ \ | divide\ by\ 9\\\\
m=\frac{6}{9}=\frac{2}{3}\\\\
Solution\ is\ m=\frac{2}{3}.
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Minchanka [31]
6 blades in 1 windmill is the "unit rate" A unit rate is the number per thing.  You will need to multiply. Multiply 6X7. 6 for 6 blades and 7 for 7 windmills. It is 42. 42 blades are in 7 windmills.
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4 years ago
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You are hiking on a trail that leads to the top of a mountain. At 1 P.M. you reach an elevation of 4400 feet. At 4 P.M. you reac
shusha [124]
Let
t = time, hours
h = height, feet

At 1 PM, the time and height are respectively
t₁ = 1  hour
h₁ = 4400 feet

At 4 PM, the time and height are respectively
t₂ = 4 hours
h₂ = 5600 feet

By definition, the mean hourly change in elevation is 
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Answer: 400 feet per hour
5 0
3 years ago
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These two triangles are congruent.
drek231 [11]

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47 degree.

Step-by-step explanation:

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2 years ago
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a person standing near the top of the Eiffel tower(approximately 300.6 meters) notices a car wreck some distance from the tower.
yarga [219]

Answer:

481.06

Step-by-step explanation:

Let's visualise this case in a right angled triangle.

Height = 300.6 m

Angle of depression = Angle of elevation = 32°

So,

\sin(32)  =  \frac{300.6}{hypotenuse}

=  > 0.5299192642 =  \frac{300.6}{hypotenuse}

=  > hypotenuse =  \frac{300.6} {0.5299192642 }

= 567.2562224244 m

Hypotenuse = Line of sight = 567.25 m

Also,

\cos(32)  =  \frac{base}{567.2562224244}

=  > 0.8480480962 =  \frac{base}{567.2562224244}

=  > base = 0.8480480962 \times 567.2562224244 = 481.0605594599

Hence Base = Distance between the spot of accident & the base of the tower = 481.06 m

5 0
4 years ago
What is 4 2/3 ÷ 1 1/5
vodomira [7]

Answer:

3 8/9

Step-by-step explanation:

1.) Convert each fraction from a mixed number to a improper fraction (to do that multiply the denominator with the whole number then add the numerator, the improper fraction denominator will remain the same as the mixed number denominator):

14/3 ÷ 6/5

2.) Solve

a. To divide the fractions, Flip the reciprocal, and multiply the fractions

14/3 x 5/6

b. Check if you can reduce the numbers, which you can 14 and 6 can be both divided by 2:

7/3x5/3

c. Multiply fractions (simply by multiplying across):

35/9

3.) Simplify numbers into mixed fraction (or decimal):

3 8/9

3 0
4 years ago
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