3 years ago

My goal was to raise $5,000 to help protect the manatees. She raised 3,500. What percent of her goal did she achieve

Mathematics

1 answer:

Oxana [17]3 years ago

8 0

3500 is about 70% of 5000

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Consider the polynomial function f(x)=3x²+8x-4. Find f(2).

Triss [41]

Answer:

The value of polynomial for x = 2 that is f(2) will be 32

Step-by-step explanation:

We have given polynomial $f(x)=3x^2+8x+4$

We have to find the value of f(2)

We have to find the value of polynomial for x = 2

So for finding this value we have to just put x = 2 in polynomial

So f(2) will be $f(2)=3\times 2^2+8\times 2+4=32$

So the value of polynomial for x = 2 will be 32

5 0

3 years ago

the cost of 5 oranges and 3 apples is 43 rupees and the cost of 2 oranges and 4 apples is 34 rupees. find the cost of an orange

liraira [26]

Answer: Orange = 5 rupee

Apple = 6 rupees

Step-by-step explanation:

Let the cost of an orange be x

Let the cost of an apple be y

We can form an equation from the question given which will be:

5x + 3y = 43 ......... i

2x + 4y = 34 ......... ii

Multiply equation i by 2

Multiply equation ii by 5

10x + 6y = 86 ........ iii

10x + 20y = 170 ..... iv

Subtract iii from iv

14y = 84

y = 84/14

y = 6

An apple cost 6 rupees

Since from equation ii

2x + 4y = 34

2x + 4(6) = 34

2x + 24 = 34

2x = 34 - 24

2x = 10

x = 10/2

x = 5

An orange cost 5 rupee

5 0

2 years ago

What is the average rate of change of f(x) from x = -2 to x= 2?

Serga [27]

Answer:

Below.

Step-by-step explanation:

The difference of the f(x) values divided by the difference in the corresponding x values.

That would be (f(2) - f(-2)) / (2 - (-2))

6 0

3 years ago

What is the length of the base of a right triangle with an area of 15 square meters and a height of 3 meters? A. 5 m B. 10 m C.

Rzqust [24]

Answer:

B.10

Step-by-step explanation:

15=1/2b(3)

30=3b

10= base

4 0

2 years ago

The perimeter of the square at the right is 48 in what is the area of the square at the right explain how you found your answer

irina1246 [14]

ok so 48÷4 is each side since square sides are equal that is 12 ×12 which is a area of 144

5 0

3 years ago