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Bezzdna [24]
3 years ago
7

Please help please help​

Mathematics
1 answer:
bazaltina [42]3 years ago
4 0

Answer:

răspuns corect 2

Step-by-step explanation:

dami coroana te rog

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Find the values of the sine, cosine, and tangent for ZA
zzz [600]

Answer:

(AB)²=(AC)²+(BC)²

(AB)²=(4)²+(3)²

(AB)²=16+9

(AB)²=25

sinA=\frac{3}{5}\\\\cosA=\frac{4}{5} \\\\tanA=\frac{3}{4}

hope it helps...

have a great day!! :)

7 0
3 years ago
One leg of a 45°-45°-90° triangle measures 9sqrt2 inches. What is the length of the hypotenuse?
stiv31 [10]
We know that
a=9√2
b=9√2
a=b---------- <span>for having both angles of 45</span>
c²=a²+b²-------> (9√2)²+(9√2)²------>(324)-----------> c=√324=18


the answer is the option A 18 inches
8 0
3 years ago
Two functions are defined as shown.
maxonik [38]

Answer:

Graph (2).

Step-by-step explanation:

Given question is incomplete: Find the complete question in the attachment.

Given : f(x) = -\frac{1}{2}x-2

            g(x) = - 1

To find : The graph showing f(x) = g(x)

If the given functions f(x) = g(x)

-\frac{1}{2}x-2=-1

-\frac{1}{2}x=-1+2

-\frac{1}{2}x = 1

x = -2

That means both the functions have the same value at x = -2

f(-2) = g(-2) = -1

In other words, both the lines will intersect at a point (-2, -1).

From the given graphs,

Graph number (2) shows the required results.

A straight line g(x) = -1 parallel to x- axis and another straight line f(x) = -\frac{1}{2}x-2, intersect each other at (-2, -1).

Therefore, Graph (2) will be the answer.

7 0
3 years ago
Read 2 more answers
3x^2-14x=5<br> Show work too
NemiM [27]

Move all terms to one sides

3x^2 - 14x - 5 = 0

Split the second term in 3x^2 - 14x - 5 into two terms

3x^2 + x - 15x - 5 = 0

Factor out the common terms in the first two terms, then in the last two terms;

x(3x + 1) - 5(3x + 1) = 0

Factor out the common term 3x + 1

(3x + 1)(x - 5) = 0

Solve for x;

<u>x = -1/3, 5</u>

8 0
4 years ago
Write a system of equations to describe the situation below, solve using substitution, and fill in the blanks.
antiseptic1488 [7]
Five seconds and 8meters
7 0
3 years ago
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