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Doss [256]
3 years ago
13

All ratios equivalent to -40/5

Mathematics
1 answer:
Helga [31]3 years ago
3 0

Answer:

Equivalent ratios calculator that shows work to find the equivalent ratios for the given ratio with two or more numbers.

Step-by-step explanation:

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HELP 40 POINTS
Tom [10]
Answer: the function g(x) has the smallest minimum y-value.


Explanation:


1) The function f(x) = 3x² + 12x + 16 is a parabola.


The vertex of the parabola is the minimum or maximum on the parabola.


If the parabola open down then the vertex is a maximum, and if the parabola open upward the vertex is a minimum.


The sign of the coefficient of the quadratic term tells whether the parabola opens upward or downward.


When such coefficient is positive, the parabola opens upward (so it has a minimum); when the coefficient is negative the parabola opens downward (so it has a maximum).


Here the coefficient is positive (3), which tells that the vertex of the parabola is a miimum.


Then, finding the minimum value of the function is done by finding the vertex.

I will change the form of the function to the vertex form by completing squares:

Given: 3x² + 12x + 16

Group: (3x² + 12x) + 16
Common factor: 3 [x² + 4x ] + 16
Complete squares: 3[ ( x² + 4x + 4) - 4] + 16
Factor the trinomial: 3 [(x + 2)² - 4] + 16
Distributive property: 3 (x + 2)² - 12 + 16
Combine like terms: 3 (x + 2)² + 4

That is the vertex form: A(x - h)² + k, whch means that the vertex is (h,k) = (-2, 4).


Then the minimum value is 4 (when x = - 2).


2) The othe function is <span>g(x)= 2 *sin(x-pi)
</span>

The sine function goes from -1 to + 1, so the minimum value of sin(x - pi) is - 1.


When you multiply by 2, you just increased the amplitude of the function and obtain the new minimum value is 2 (-1) = - 2


Comparing the two minima, you have 4 vs - 2, and so the function g(x) has the smallest minimum y-value.

7 0
3 years ago
Two whole numbers A and B satisfy the following conditions. Find A and B.
Alexus [3.1K]

Answer:

A=22 or 23

B=5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which pyramid has a greater volume and how much greater is its volume? ​
expeople1 [14]

Answer:

number 2

Step-by-step explanation:

3*7*6=126

4*3*10=120

126-120=6

6 0
3 years ago
Hi help meeeeeeee please i will mark you brainiest if you can answer this
Roman55 [17]

Answer:

Step-by-step explanation:

Honestly don't even care about the points lol. You need to divide 12^7 by 12^3, which comes out to 20,736 crates needed for the shipment of toys. If that first 12 isnt to the power of 3 simply replace it with the power that it actually is and divide 12^7 by it.

8 0
3 years ago
Combine the like terms to create an equivalent expression: r + (−5r)
Harrizon [31]

Answer:

-4r

Step-by-step explanation:

r+(-5r)=r-5r=-4r

6 0
3 years ago
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