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Serggg [28]
2 years ago
15

Find f(-9) for f(x)= -3x^2-20

Mathematics
1 answer:
lions [1.4K]2 years ago
5 0

Answer:

-263

Step-by-step explanation:

replace x by -9

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Please help iam lost
Goryan [66]

Answer:

x = 4.

Step-by-step explanation:

I am assuming that you want to find the values of x and that WXYZ is a parallelogram.

In a parallelogram opposite sides are equal, therefore:

11x + 1 = 19x - 31

1 + 31 = 19x - 11x

32 = 8x

x = 32/8 = 4.

6 0
3 years ago
+(-6) + (-8)= -4<br> What’s the missing number???
Darya [45]

Answer:

10

Step by step explanation:

In general, if we have an equation that has just one variable, such as x, then "solving the equation" means finding the set of all values that can be substituted for the one variable to produce a valid equation.

Isolate "x" on one side of the algebraic equation by adding the negative number that appears on the same side of the equation as the "x." For example, in the equation "x - 5 = 12", rewrite the equation as "x = 12 + 5" and solve for "x."

x + (-6) + (-8) = -4

x + (-6 + -8) = -4

x + (-14) = -4

x + (-14 + 14) = -4 + 14

x = 10

5 0
2 years ago
Is (-1, 2) a solution to this system of inequalities? 2x + 18y &lt; 7 and 2x - 4y &lt; 12
Reil [10]
Yes

Plug in points


Mark brainliest please
8 0
2 years ago
9. Order the angles of the triangle from smallest to largest
12345 [234]

Answer:

It is b. ACB

Step-by-step explanation:

If draw a triangle, you would give the longest side to BC, because their angles equal 10

And you would give AC the shortest side of the triagle because their angles equal 7

And AB the last side because it is in between the other sides

Since AC have the smallest angle, they would have the smaller numbers

then that leaves B as the biggist number

8 0
2 years ago
What is the slope of (13,-8) and (-5,-17)
ololo11 [35]

Answer:

1/2

Step-by-step explanation:

y2 - y1 / x2 - x1

-17 - (-8) / -5 - 13

-9 / - 18

= 1/2

8 0
3 years ago
Read 2 more answers
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