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Marizza181 [45]
4 years ago
5

PLEASE HELP whats the hypotenuse of a right triangle if both its legs are 9 cm round to the nearest tenth of a cm

Mathematics
1 answer:
vivado [14]4 years ago
6 0
Pythagorean theorem: a² + b² = c² 

a² and b² are the legs, and c² is the hypotenuse.

Plug in 9 to a² and b² since you know that both the right triangle's legs are 9 cm.

9² + 9² = c²
81 + 81 = c²
162 = c²

Square root both sides.

c = 12.7 cm
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A
gavmur [86]

Answer:

m∠QPM=43°

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

m∠NPQ=m∠MPN+m∠MPQ

we have

m∠NPQ=(9x-25)°

m∠MPN=(4x+12)°

m∠MPQ=(3x-5)°

substitute the given values and solve for x

(9x-25)°=(4x+12)°+(3x-5)°

(9x-25)°=(7x+7)°

9x-7x=25+7

2x=32

x=16

Find the measure of angle QPM

Remember that

m∠QPM=m∠MPQ

m∠MPQ=(3x-5)°

substitute the value of x

m∠MPQ=(3(16)-5)=43°

therefore

m∠QPM=43°

7 0
4 years ago
Which of the following represents the sentence shown? “Twice a number, n, decreased by six is fourteen.”
Fed [463]
Twice the number n will be expressed as 2n.  So, that will be in our final answer.  In order to decrease the number by 6, we will subtract 6.  So there will be a - 6 in our final answer.  Together, this is 2n - 6, and that is the same as the second option.  So, the second option is the correct one.
8 0
3 years ago
What is -18x - x = 5x -6 PLEASE ANSWER CORRECTLY IT IS MY HOMEWORK
uysha [10]

Answer:

\large\boxed{x=\dfrac{1}{4}}

Step-by-step explanation:

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7 0
3 years ago
he graph shows f(x) = [1/2]^x and its translation, g(x). Which describes the translation of f(x) to g(x)? translation of four un
Annette [7]

Answer by YourHope:


Hi! :)


The graph shows f(x) = [1/2]^x and its translation, g(x). Which describes the translation of f(x) to g(x)?


Translation of four units up! The f(x) function cannot possibly be f(x)=1/2, though, because that would be a horizontal line through y = 1/2 and that function is clearly not a horizontal line.  So whatever f(x) is really, add 4 to the tail end of it to show its translation!


:)

6 0
4 years ago
Solve the equation ​
crimeas [40]

Answer: the answer is C.

try using the app


Step-by-step explanation:


3 0
4 years ago
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