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SOVA2 [1]
2 years ago
14

Please help I’m struggling

Mathematics
1 answer:
gulaghasi [49]2 years ago
3 0

Answer: B, x=20; angle measure is 30°.

Step-by-step explanation:

Opposite angles are always the same.

You can see that 30° and 3x are opposite angles therefore 3x=30°.

In algebra, when a letter and a number are next to each other, it means times.

So, 3x=30° means 3 times something equals 30.

And we know that 3×10=30 so, x=10.

Hope this helps :)

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Please solve numbers 16-17
Gelneren [198K]

Answer:

-1 :)

Step-by-step explanation:

4 0
2 years ago
100 Points!!!!!!!!!
artcher [175]

Answer:

its u=(-2,1)

Step-by-step explanation:

8 0
3 years ago
Find the highest common factor of 14(3x+1)^ and 7(3x+1)​
ddd [48]

Answer:

The highest common factor is 7(3x+1)

Step-by-step explanation:

Here, we want to find the highest common factor of both expressions

As we can see, the highest common factor of 7 and 14 is 7

Now, we have the second expression which is (3x+1)

No matter what the first expression is raised to, it still stands that the highest common factor we shall have there is 3x+ 1 as concerns the term

inside the bracket

Thus, the highest common factor of both terms is 7(3x + 2)

5 0
3 years ago
How do you solve this
Dmitriy789 [7]

By definition of the trig functions,

\sin30^\circ=\dfrac y{16}

\cos30^\circ=\dfrac x{16}

We have \sin30^\circ=\dfrac12, so y=8, and \cos30^\circ=\dfrac{\sqrt3}2, so x=8\sqrt3.

Just to check: we should have

x^2+y^2=16^2

by the Pythagorean theorem. Indeed,

8^2+(8\sqrt3)^2=4\cdot8^2=2^2(2^3)^2=2^8=(2^4)^2=16^2

6 0
3 years ago
What are the vertex and x-intercepts of the graph of the function given below?
madreJ [45]
VERTEX
To determine the vertex (coordinate x) of parabola y = ax² + bx + c, use this following formula
x vertex = -\dfrac{b}{2a}

y = x² - 2x - 48
a = 1, b = -2, c = -48
plug in the numbers
x vertex = -\dfrac{b}{2a}
x vertex =  -\dfrac{(-2)}{2(1)}
x vertex =  \dfrac{2}{2}
x vertex = 1

To find y vertex, substitute the value of x vertex to the parabola equation
y = x² - 2x - 48
y = 1² - 2(1) - 48
y = 1 - 2 - 48
y = -49

The vertex is (1, -49)

X-INTERCEPT
x-intercept located in x axis, that means y = 0. Substitute y = 0 to the parabola equation
x² - 2x - 48 = y
x² - 2x - 48 = 0
(x - 8)(x + 6) = 0
x = 8 or x = -6
The x-intercepts are (8,0) and (-6,0)

The answer is first option
5 0
3 years ago
Read 2 more answers
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