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nasty-shy [4]
3 years ago
7

Solve the inequality -2(5x + 1) > 48

Mathematics
2 answers:
guapka [62]3 years ago
8 0

Answer:

Step-by-step explanation:

-2(5x + 1) > 48

-2(6x) > 48

12x > 48

Dimas [21]3 years ago
8 0

Answer:

x<-5

Step-by-step explanation:

-10x-2>48

-10x-2+2>48+2

-10x>50

-10x/-10 > 59/-10

= x<-5

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The steeper the line is (the larger the slope), the faster the speed is.  This is due to the fact that speed=distance/time and the slope=y/x which is distance over time on a distance v time graph.
let me know if you need further explanation by leaving a comment and I hope this helps.
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3 years ago
Using the pleading the square method find the vertex of the function f(x)=5x^2+10x+8
Inga [223]

credits to the owner:lisboa, another brainly expert

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3 years ago
Find the quadratic function that fits curve below. Select the correct answer.
raketka [301]
<h2>Hello!</h2>

The answer is:

The quadratic function that fits the given picture is:

y=-3x^{2}+13x-5

<h2>Why?</h2>

We can solve the problem and find the correct function that fits the curve below by finding which function intercepts the y-axis at -5 (we can see it from the picture), also, we need to look for a function that represents a parabola opening upwards. We need to remember that when a parabola is opening upwards, its quadratic term coefficient is negative.

So, we can see that from the given functions, the only function that represents a parabola opening upwards and its y-intercept is located at y equal to -5 is the second option:

y=-3x^{2}+13x-5

We have that :

a=-3(negative)\\b=13\\c=-5(y-intercept)

We can see that the quadratic term (a) is negative, and the quadratic function intercepts the y-axis at y equal to -5.

Hence, the answer is:

The quadratic function that fits the given picture is:

y=-3x^{2}+13x-5

Have a nice day!

Note: I have attached a picture for better understanding.

4 0
3 years ago
Sum of two numbers is 24 and the difference is 15.What are the two numbers ?
Alexeev081 [22]
Let,
the bigger number  be "x"
the smaller number be "y"
Now, according to the question,
x + y = 24...........equation (1).............because the sum of numbers is 24
x - y = 15 .............equation (2)..................because their difference is 15

Taking equation (2),
x - y = 15
x = 15 + y ....................equation (3)

Now, Taking equation (1)
x + y = 24
(Substituting the value of "x" form equation (3) we get)
15 + y + y = 24
(Subtracting 15 on both sides, we get)
y + y = 24 - 15
2y = 9
y = 9 / 2
y = 4.5
Now, 
Taking equation (3)
x = 15 + y
(Substituting the value of y , we get)
x = 15 + 4.5
x = 19.5

So, the two numbers are 19.5 and 4.5

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3 years ago
First convert these fractions to twelfths then order them.Write your
sergiy2304 [10]
Here’s the link to the answer


Curlylips444.com
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