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erastovalidia [21]
2 years ago
11

Find the missing angle

Mathematics
1 answer:
sineoko [7]2 years ago
3 0

129 degrees is the correct answer for the missing angle number 1 :)

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F(2)=7 into coordinate points
Lisa [10]
I don’t know how to do this type stuff so sorry hope someone els can help u tho
5 0
2 years ago
Find the x-intercept(s) of y = 2x2 - 3x - 5.<br> A) -5 <br> B) 2 1/2, -1<br> C) 3, -5 <br> D) 5, -1
Alexus [3.1K]

Answer:

\large\boxed{B)\ 2\frac{1}{2},\ -1}

Step-by-step explanation:

x-intercepts are for y = 0.

We have the equation:

y=2x^2-3x-5

Therefore

2x^2-3x-5=0\\\\2x^2+2x-5x-5=0\\\\2x(x+1)-5(x+1)=0\\\\(x+1)(2x-5)+0\iff x+1=0\ \vee\ 2x-5=0\\\\x+1=0\qquad\text{subtract 1 from both sides}\\\boxed{x=-1}\\\\2x-5=0\qquad\text{add 5 to both sides}\\2x=5\qquad\text{divide both sides by 2}\\\boxed{x=2\frac{1}{2}}

7 0
3 years ago
Line j has a slope of − 2. Line d is perpendicular to line j and passes through the point( − 8 , 3 ).  Write the equation for
Zina [86]

Answer:

The equation is: y = 1/2x + 7

Step-by-step explanation:

The slope of j is -2. The slope of a line perpendicular to line j has a negative inverse: 1/2. The point is (-8, 3).

Use the point slope form of the equation:

y - y1 = m(x - x1)

Substitute:

y - 3 = 1/2(x - (-8))

y - 3 = 1/2x + 4

y = 1/2x + 4 + 3

y = 1/2x + 7

Proof:

Solve for f(x) when x = -8.

f(x) = 1/2x + 7

f(-8) = 1/2(-8) + 7

= -8/2 + 7

= -4 + 7

= 3, giving the point (-8, 3)

4 0
3 years ago
About how many more people lived in California than in Texas in the year 2013?
EleoNora [17]

Answer:

D - ten million

Step-by-step explanation:

California had a population of 38.26 million in 2013

Texas had a population of 26.48 million in 2013

38.26-26.48 is closest to 10 million

‌

7 0
3 years ago
If f(x) = 2x – 1 and g(x) = ^ – 2, find [g ◦ f](x).
Viefleur [7K]

Answer:

<em>    The value of [g ◦ f](x) = 4x^{2} -4x-1</em>

Step-by-step explanation:

    If f(x) = 2x - 1

    g(x)  = x^{2} -2

    we need to find the value of [g ◦ f](x).

    which means that g(f(x))

    g(f(x)) = (2x-1)^{2} -2

    g(f(x)) = 4x^{2} -4x+1 -2

    g(f(x)) = 4x^{2} -4x-1

<em>     The value of [g ◦ f](x) = 4x^{2} -4x-1</em>

6 0
3 years ago
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