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monitta
3 years ago
9

50 POINTS!!!

Mathematics
2 answers:
yKpoI14uk [10]3 years ago
6 0
<span>50 POINTS!!!
SHOW YOUR WORK AND ANSWER CORRECTLY OR ELSE A MODERATOR WILL HANDLE YOU!
Let f (x) = −x^2 − 5x + 36. What is the value of f(-3)? 
Show your work. Best answer gets brainliest.</span>
f(x) = -x^2-5x+36\qquad \qquad f(-3),  \\  \\  \\f(-3) = -(-3)^2-5(-3)+36\\  \\f(-3) = -(9)-5(-3)+36\\  \\f(-3) = -9+15+36  \\  \\  \boxed{f(-3) = 42}
Dima020 [189]3 years ago
3 0
Hello,

Your question states:

Let f (x) = −x^2 − 5x + 36. What is the value of f(-3)?

Your answer would be:

42

Your explanation:

3^2-5(-3)+36
9-15+36
6+36
X=42
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A pattern is made by toothpick squares. Select the series that represents the number of toothpicks added to a picture to get the
lorasvet [3.4K]
The answer is, 4 + 8 + 12 + 16 ... rule is 4n.

Explanation:

one square has 4 toothpicks, then you added 4 picks (because you started with zero squares).

4 squares have 12 toothpicks, then you added 8 toothpicks to pass from one square to 4 squeres.

If you follow that reasoing you get to realize that the additions are 4, 8, 12, 16.
4 0
3 years ago
The total number of people at a football game was 5600. Field-side tickets were 40 dollars and end-zone tickets were 20 dollars.
rewona [7]

Answer:

1100 field-side tickets and 4500 end-zone tickets.

Step-by-step explanation:

Let x represent number of field side tickets and y represent number of end-zone tickets.

We have been given that the total number of people at a football game was 5600. We can represent this information in an equation as:

x+y=5600...(1)

y=5600-x...(1)    

We are also told that Field-side tickets were 40 dollars and end-zone tickets were 20 dollars.

Cost of x field side tickets would be 40x and cost of y end-zone tickets would be 20y.

The total amount of money received for the tickets was $134000. We can represent this information in an equation as:

40x+20y=134000...(2)

Upon substituting equation (1) in equation (2), we will get:

40x+20(5600-x)=134000

40x+112000-20x=134000

20x+112000=134000

20x+112000-112000=134000-112000

20x=22000

\frac{20x}{20}=\frac{22000}{20}

x=1100

Therefore, 1100 field side tickets were sold.

Upon substituting x=1100 in equation (1), we will get:

y=5600-1100

y=4500

Therefore, 4500 end-zone tickets were sold.

3 0
3 years ago
If $8259 principal is invested in a savings account that pays 5.25% interest compounded continuously how much money will be in t
VMariaS [17]

Answer:

A(10) = $13,961.50

Step-by-step explanation:

First, convert R as a percent to r as a decimal

r = R/100

r = 5.25/100

r = 0.0525 rate per year,

Then solve the equation for A

The formula is given as:

A = Pe^rt

P = 8259

r = 0.0525

t = 10 years.

Hence,

A = 8,259.00 × e^(0.0525×10)

A = $13,961.50

Therefore, the money that will be in the account after 10 years is $13,961.50

5 0
3 years ago
What is the value of v? (help no links and thx)
madreJ [45]

Answer:

74.7

Step-by-step explanation:

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2 years ago
The answer to the photo
MissTica

Answer: p+(q÷r) this is because you divide a and r and add p to it

8 0
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