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denpristay [2]
3 years ago
9

Does anyone know the answer to this? I’m stumped

Mathematics
1 answer:
mel-nik [20]3 years ago
7 0

Answer:

The two parabolas that are narrower than the parabola below are, y = -3.5x^2 + 2 and y = 5x^2 + 3x - 1.

Step-by-step explanation:

Also there’s an app called Desmos that really helps me with problems like this. It’s what I used to solve this problem

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In the diagram below, what is the relationship between the number of triangles and the perimeter?
Eduardwww [97]

The perimeter "P" is equal to the length of the base of one triangle multiplied by the "n" number of triangles in the figure plus two times the length of another side. The equation for the perimeter is P = 5n + 14.

We are given triangles. The triangles are arranged in a certain pattern. The length of the base of each triangle is equal to 5 units. The length of the other two sides is 7 units each. We conclude that all the triangles are isosceles. We need to find the relationship between the number of triangles and the perimeter of the figure. Let the perimeter of the figure having "n" number of triangles be represented by the variable "P".

P(1) = 14 + 5(1)

P(2) = 14 + 5(2)

P(3) = 14 + 5(3)

We can see and continue the pattern. The relationship between the perimeter and the number of triangles is given below.

P(n) = 14 + 5n

To learn more about perimeter, visit :

brainly.com/question/6465134

#SPJ1

3 0
1 year ago
4^(x-1)+4^(x)+4^(x-1)=84
creativ13 [48]

Answer:

7.66

Step-by-step explanation:

Just open the parenthesis.

4x-4+4x+4x-4=84

Now simplify and solve

12x-8=84

12x=92

x= 7.66

3 0
3 years ago
Mr. Grant spent 8.40 to place an adin the newspapers.the price included a one time fee of 6.00 pulse 0.08 per word.which method
Sladkaya [172]
Your answer is 0048.00
5 0
3 years ago
What are the types of roots of the equation below?<br><br>x^4 - 81 = 0​
natali 33 [55]

Answer:

x^4 - 81 = 0  

(x² - 9)(x² + 9) = 0  

Notice that the first of these is itself a difference of two squares:  

(x - 3)(x + 3)(x² + 9) = 0  

So the solutions are x = 3, x = -3, x = 3i, x = -3i

4 0
3 years ago
Write the equations for 74,2 and 49
serious [3.7K]

Answer:

x+10y=94

Step-by-step explanation:

Assuming we want to find the equation (74,2)  and (4,9)

This is an equation of a straight.

Let this equation be y=mx+b.

m=\frac{9-2}{4-74} =-\frac{1}{10}

We substitute the slope  and (4,9) to get:

y-9=-\frac{1}{10}(x-4)

We  rewrite in standard form to get:

x+10y=94

5 0
3 years ago
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