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aliina [53]
3 years ago
15

Using the right triangle below, find the cosine of angle A.

Mathematics
1 answer:
KiRa [710]3 years ago
6 0

Answer:

it would be the Adjacent side (8) over the Hypotenuse, or the longest side which is 10. an easy way to remember this is CAH or Cosine=Adjacent/Hypotenuse

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Reil [10]

Answer:  G

<u>Step-by-step explanation:</u>

(x, y) → (\frac{1}{8}x, \frac{1}{8}y)

means that the new quadrilateral will be \frac{1}{8} the size of the original quadrilateral, so it will be smaller because the it maps to a fraction that is less than 1.

5 0
3 years ago
14. Write a linear equation to represent the sequence 3, 7, 11, 15, ….
Amiraneli [1.4K]

Answer:

RECURSIVE: f(n)=f(n-1)+4

EXPLICIT: f(n)=3+4n

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3 years ago
I WILL GIVE BRAINLIEST!
Nesterboy [21]

Answer:

$6

Step-by-step explanation:

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3 years ago
If x=5^a, find the value of 5x. How?
Yakvenalex [24]

Answer:

5x = 5^{(a+1)}

Step-by-step explanation:

Here is a problem with the concept of properties of the exponent.

We are given x = 5^{a} and we have to find the value of 5x.

Now, 5x = 5 \times 5^{a} {Since we are given that x = 5^{a}}

⇒ 5x = 5^{1} \times 5^{a} {Since we can write x = x^{1}}

⇒ 5x = 5^{(a+1)} {Since we know the formula of exponent as x^{m} \times x^{n} = x^{(m + n)}}

(Answer)

7 0
3 years ago
Which equation is equivalent to StartRoot x squared + 81 EndRoot = x + 10?
marishachu [46]

The given equation is equivalent to Option D .

The mission option is

A. x+10= x+10

B. x+9 =x² + 20x + 100

C. x² +81 = x² + 100

D. x² + 81 = x² +20x + 100

<h3>What is an Equation ?</h3>

An equation is a mathematical statement formed when two algebraic expression is equated by an equal sign .

An equation is given in the question

\rm \sqrt{x^2 + 81} = x +10

\rm {x^2 + 9^2} = (x +10)^2

\rm {x^2 + 81} = x^2 +20x + 100

Therefore the given equation is equivalent to Option D .

To know more about Equation

brainly.com/question/10413253

#SPJ1

5 0
2 years ago
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