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Aloiza [94]
3 years ago
5

PLS HELP!! LOOK AT MY QUESTIONS IF YOURE GOOD WITH GRAPHING PLS!!

Mathematics
1 answer:
Stella [2.4K]3 years ago
4 0

Step-by-step explanation:

I think it might be just mights be letter C.-4x-5

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Lines a and bare parallel 79 What is the measure of angle b? Enter your answer in the box b=​
Len [333]

If lines a and b are parallel, then aº = 79º = dº = bº.

6 0
3 years ago
Solve quadratic inequality x^2+4x≥0
klemol [59]

Answer:

Step-by-step explanation:

y = x² + 4x is an up-opening parabola with x-intercepts 0 and -4.

y ≥ 0 when x≤-4 or x≥0

range: (-∞,-4)∪[0,+∞)

7 0
3 years ago
Rewrite the function in standard form, intercept form, find the vertex, find the y-intercept, and find the x-intercepts.
jasenka [17]

Answer:

We have the function, f(x)=(x+3)^{2}-4

On simplifying, we get,

f(x)=x^2+6x+9-4

i.e. f(x)=x^2+6x+5

Thus, the standard form of the function is f(x)=x^2+6x+5.

Now, the factors of the given functions are (x+1) and (x+5).

<em>Since, the intercept form of the function is the factored form of the function.</em>

So, we have, intercept form of the function is f(x)=(x+1)(x+5).

Now, we know that,

Value of x-coordinate of the vertex is \frac{-b}{2a} i.e. \frac{-6}{2\times 1} i.e. \frac{-6}{2} i.e. x= -3

Then, f(-3)=(-3)^2+6\times (-3)+5 i.e. f(-3)=9-18+5 i.e. f(-3)=-4

So, the vertex of the function is (-3,-4).

Further, we know that,<em> 'the y-intercept of a function is the point where the function crosses y-axis'.</em>

So, when x=0, we have, f(0)=0^2+6\times 0+5 i.e. f(0) = 5

Thus, the y-intercept is (0,5)

Also, <em>'the x-intercept of a function is the point where the function crossese x-axis'.</em>

Then, for f(x)=0, we have 0=x^2+6x+5 i.e. 0=(x+1)(x+5) i.e. x= -1 and x= -5

Thus, the x-intercept are (-1,0) and (-5,0).

8 0
3 years ago
The art club spent $45 on supplies for valentines to sell during lunches. They made 60 valentines. What selling price for a vale
Agata [3.3K]
I cannot help you sorry :/
4 0
3 years ago
Gianna is preparing for the upcoming tennis season. According to her schedule, she can complete at most 10 workouts this week. I
Fantom [35]
For this case we have the following variables:
 x = the number of drill-based workouts
 y = the number of conditioning workouts
 The system of equations that adapts to the situation is:
 "According to her schedule, she can complete at most 10 workouts this week":
 x + y <= 10
 "It takes Gianna 45 minutes to complete her drill-based workouts and 30 minutes to complete her conditioning workouts. She is required to spend more than 450 minutes on workouts every week"
 45x + 30y> 450
 Answer:
 
A system of inequalities can that be used is:
 
x + y <= 10
 
45x + 30y> 450
5 0
3 years ago
Read 2 more answers
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