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Elanso [62]
3 years ago
6

Write the word sentence as an equation.

Mathematics
1 answer:
Mrrafil [7]3 years ago
3 0

Answer:

Step-by-step explanation:

54 equals 9 more than a number

So if we do this, we get

54 = x+9

x+9 = 54

54-9=x

54-x = 9

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Which is the graph of f(x) = (x – 1)(x + 4)?
Arada [10]

Answer:

The fourth graph (last graph)

Step-by-step explanation:

Remember that the zeros of a function are the x-intercepts of the graph. To find the zeros we just need to set the function equal to zero and solve for x:

f(x)=(x-1)(x+4)

(x-1)(x+4)=0

x-1=0,x+4=0

x=1,x=-4

Now we know that the graph or our function intersects the x-axis at x = 1 and x = -4.

Since both x values inside the parenthesis are positive, our parabola is opening upwards.

The only graph opening upwards whose x-intercepts are x = 1 and x = -4 is the fourth one.

We can conclude that the graph of f(x)=(x-1)(x+4) is the fourth one.

5 0
3 years ago
Read 2 more answers
Quiero saber sobre Álgebra
Lesechka [4]
Algebra has variable. Finding the slope and y-intercept.
<span>Algebra tiene variable. Encontrar la pendiente y la intersección con el eje y</span>
6 0
3 years ago
What is 200/30 in a mixed number
mixer [17]
6 20/30

hope it helps
7 0
3 years ago
In rectangle PQRS, PR = 18x – 28 and QS = x + 380. Find the value of x and the length of each diagonal.
chubhunter [2.5K]

Answer:

x = 24, PR = 404, QS = 404

Step-by-step explanation:

PR and QS are both diagonals of the rectangle. The diagonals of a rectangle bisect each other and are of equal length. Thus, we can say:

PR = QS

18x - 28 = x + 380

Solving for x, we get:

18x - x = 380 + 28

17x = 408

x = 408/17

x = 24

Thus, PR = 18(24) - 28 = 404  and  QS = 24 + 380 = 404

Third choice is right.

7 0
3 years ago
In september kick read 12 books In october he read 18 books In novermber nick read 16 books how many more books did read in sept
igomit [66]
September : 12

october:  18

november : 16

together in sept. and oct. = 12+18 = 30

number of books he read more in sept. and oct. then just nov.= 30 - 16 = 14

in short, the answer is 14 books.

hope it helps you!

5 0
3 years ago
Read 2 more answers
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