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sweet [91]
3 years ago
12

30 points

Mathematics
1 answer:
Naily [24]3 years ago
5 0

Answer:

-4

Step-by-step explanation:

plugging negatibve one in we get

4(1)+1-9= 5-9= -4

if my answer helps please mark as brainliest.

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Write an algebraic expression for the perimeter of a rectangular garden with a width of 3 metres and a length of 2y metres. Simp
anyanavicka [17]

Answer:

P = 2(2y+3)

P = 30

Step-by-step explanation:

P = 2 (L+W) or P = L + L + W + W

P = 2 (2y+3)

P = 4y+6

Plug in 6 for y.

P = 24+6

P = 30

5 0
3 years ago
Determine the graph that has the following properties
uranmaximum [27]
A. but I would double check on that one first.
5 0
4 years ago
What are the solutions to the nonlinear system of equations below y=3x x^2+y^210
AlekseyPX
I can help you but what is the operation of math
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3 years ago
A cylinder has a radius of 3.2 meters its volume is 190 Cubic meters find its height to the nearest 10th of a meter
Stels [109]

Answer:

volume = pi r^2 h

or, 190 = pi (3.2)^2 h

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5 0
3 years ago
An initial population of 415
slamgirl [31]

Answer:

The exponential function to model the duck population is:

f(n)=415*(1.32)^n, where:

x is the duck population

n is the number of years

Step-by-step explanation:

In order to calculate the duck population you can use the formula to calculate future value:

FV=PV*(1+r)^n

FV=future value

PV=present value

r=rate

n=number of periods of time

In this case, the present value is the initial population of 415 and the rate is 32%. You can replace these values on the formula and the exponential function to model the duck population would be:

f(n)=415*(1+0.32)^n

f(n)=415*(1.32)^n, where:

x is the duck population

n is the number of years

3 0
3 years ago
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