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aleksandr82 [10.1K]
3 years ago
5

Help me please. 1 question.

Mathematics
1 answer:
Over [174]3 years ago
4 0
Two solutions -4 and 7
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The hypotenuse of a 45°-45°-90° triangle measures 4 cm. What is the length of one leg of the triangle? 2 cm 2 StartRoot 2 EndRoo
Oxana [17]

Answer:

2\sqrt{2} cm

Step-by-step explanation:

In order to solve this you just have to remember the formula for the sides and hypotenuse of the triangle rectangle:

c^{2} =a^{2} +b^{2}

Since A and B are equal we will use X to represent them both:

c^{2} =a^{2} +b^{2}\\4^{2} =x^{2} +x^{2}\\16 =2x^{2}\\8=x^{2} \\x=\sqrt{8}=\sqrt{4*2}=2\sqrt{2}

ANd by solving the equation we get that the length of the legs of the triangle rectangle with a hypotenuse of 4cm is 2\sqrt{2} cm

7 0
3 years ago
Read 2 more answers
4x 4/4 is equal to 1 , since 4/4 is equal to 1
Grace [21]

Answer:

False, it is equal to 4.

Step-by-step explanation:

The current question asks that 4 x 4/4 is equal to 1, since 4/4 is equal to 1, but this stems from a gross misinterpretation of mathematics.

Although it is true that 4/4 is equal to one, since the 4 parts that make up an integer are completed, when multiplying the number 1 4 times this mathematical operation will result in 4, since 4 x 1 = 4.

5 0
3 years ago
What are/is the coefficient(s): 47 > 7m - 9
aalyn [17]

Answer:

Step-by-step explanation:

The coefficient of a variable is always the number before the variable, if there is no number before a variable the coefficient is always 1. :)

In this case, the coefficient is 7.

7 0
3 years ago
Write the expression using only positive exponents. Assume no denominator equals zero.
ipn [44]

Answer:

The answer is

\frac{4}{ {y}^{2} }

6 0
3 years ago
Dwight creates a table of values for a function and plots the points. He finds that one y value divided by the next y value prod
Mashcka [7]

we know that

The exponential function is of the form

f(x)=a^{x}

where

a is any value greater than 0

In General:

It is always greater than 0, and never crosses the x-axis

It always intersects the y-axis at y=1

Its Domain is the Real Numbers

Its Range is the Positive Real Numbers

Examples

Let

a=3

1) For x=2

f(2)=3^{2} \\ f(2)=9

2) For x=3

f(3)=3^{3} \\ f(3)=27

3) For x=4

f(4)=3^{4} \\ f(4)=81

4) For x=5

f(5)=3^{5} \\ f(5)=243

f(3)/f(2)=\frac{27}{9} \\ =3

f(4)/f(3)=\frac{81}{27} \\ =3

f(5)/f(4)=\frac{243}{81} \\ =3

therefore

the answer is the option

D.) exponential

5 0
3 years ago
Read 2 more answers
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