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cupoosta [38]
3 years ago
8

Given the function fx)=-5x2-x+20 find f(3)

Mathematics
2 answers:
strojnjashka [21]3 years ago
8 0
For this problem, you must plug 3 into x...
f(x)= -5(3) - 3 + 20= 
f(x)= -15 - 3 + 20= 
f(x)= 2 
babymother [125]3 years ago
4 0

Answer:

-28

Step-by-step explanation:

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Please help ASAP !!15 points!!
DIA [1.3K]

Answer:

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3 0
3 years ago
A, B, and C are collinear B is between A and C.
mixas84 [53]

Answer:

x = 7

Step-by-step explanation:

A, B, and C are collinear B is between A and C.

AC = AB + BC

2x + 1 = x + 4 + 2x - 10

2x + 1 = 3x - 6

2x - 3x = - 6 - 1

- x = - 7

x = 7

5 0
4 years ago
Evaluate 5+\left(-3\right)-65+(−3)−65, plus, left parenthesis, minus, 3, right parenthesis, minus, 6.
Serga [27]

The question is not well-expressed, but it looks like you want to evaluate

5 + (-3) - 65 + (-3) - 65 + (-3) - 6

Answer:

-140

Step-by-step explanation:

First of all, note the following

- Multiplying a negative number by another negative number gives a positive number.

- Multiplying a negative number by a positive number gives a negative number.

- Multiplying a positive number by a positive number gives a positive number.

- Brackets mean multiplication.

So

5 + (-3) - 65 + (-3) - 65 + (-3) - 6

= 5 - 3 - 65 - 3 - 65 - 3 - 6

= -140

7 0
3 years ago
Another scale drawing of Jimmy's living room is shown below:
deff fn [24]

Answer:

last option

Step-by-step explanation:

Again, 1 cm represents 8 / 2 = 4 feet so the width is 4 * 4 = 16 and the length is 6 * 4 = 24.

5 0
3 years ago
Estimate the diameter of a circle with a circumference of 68 feet.
BaLLatris [955]
Divide by 50 then divide by ten then just add that to 68 the divide by 5
7 0
4 years ago
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