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Fiesta28 [93]
3 years ago
14

Jada walks dogs to earn money. The points in this graph represent the total amount of money Jada earns based on the number of ho

urs she walks dogs. Jada wants to purchase a new jacket that costs $16
How many hours does Jada need to walk dogs to earn enough money to buy the jacket?

Mathematics
2 answers:
ludmilkaskok [199]3 years ago
8 0
I think 4 sorry if it’s wrong.
ikadub [295]3 years ago
3 0

Answer:

Jada needs to walk dogs for 4 hrs.

Step-by-step explanation:

This graph states that it would take 1 hour to earn 4 dollars and we know 4 x 4 =16 so now we know that it would take 4 hours to earn 16 dollars.

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Simplify.<br><br> (0.4n)(16n)<br><br> 6.4n<br> 6.4n2<br> 16.4n2<br> 16.4n
yuradex [85]

(0.4n)(16n) = (0.4)(16)(n)(n) = 6.4n²

Answer: 6.4n²

5 0
3 years ago
You are constructing a concrete landing pad for a helicopter. You have 4704 cubic feet of concrete.
MAVERICK [17]

a) We have to calculate the height of the pad.

We know that the volume will be 4704 cubic feet.

We also know that the base of the pad is a square of side length 56 feet.

As the volume is the area of the base times the height, we can find the height by dividing the volume by the base area:

\begin{gathered} V=A_b\cdot h \\ h=\frac{V}{A_b}=\frac{4704\text{ ft}^3}{(56\text{ ft})^2}=\frac{4704}{3136}\text{ ft}=1.5\text{ ft} \end{gathered}

The height is 1.5 feet.

b) Now, we have a circular pad of which we know the height (1.5 feet) and the volume (4705 ft³). The area of the base will have to be the same as the are of the square: 3136 ft².

The area of this circular pad can be expressed as πD²/4, so we can calculate the diameter D as:

\begin{gathered} A=3136 \\ \frac{\pi D^2}{4} \\ D^2=3136*\frac{4}{\pi} \\ D^2=3136*\frac{4}{3.14} \\ D^2=3994.9045 \\ D=\sqrt{3994.9045} \\ D\approx63.21 \end{gathered}

The diameter is approximately 63.21 feet.

Answer:

a) The pad will be 1.5 feet thick

b) The diameter will be 63.21 feet.

3 0
1 year ago
A country’s population in 1993 was 94 million.
Wewaii [24]

Answer:

Step-by-step explanation:

A = Pe^rt

A = total

P = amount you start with

r = rate

t = time

Let's calculate the rate.

99000000 = 94000000e^r*6

Divide each side by 94m

99000000/94000000 = e^6r

Take the natural log of e of both sides.

ln(99000000/94000000) = 6r

Divide each side by 6.

(ln(99000000/94000000))/6 = r

Now we can find the population in 2005.

A = 94000000e^0.00863751131 * 12

A = 104265957

The population in 2005 is 104,265,957 people.

6 0
3 years ago
Plot the points : A(4,5), B(3,3), C(6,9), D(8,13), E(10,15) all but one of the points are on the same line which is not?
Semenov [28]

Answer:

E

Step-by-step explanation:

The ordered pair numbers seemed to big so I guessed and I was right.

3 0
2 years ago
A small company borrows money and remains in debt to its lenders for a period of time. The function f(x)=−6x2+8x+50 represents t
Marysya12 [62]
Given that the debt has been represented by the function:
f(x)=-6x^2+8x+50
To get the number of years, x that it would take for the company to be debt free we proceed as follows:
we solve the equation for f(x)=0
hence:
0=-6x^2+8x+50
solving for x using the quadratic formula we get:
x=[-b+/-sqrt(b^2-4ac)]/2a
x=[-8+/-sqrt(8^2-4*(-6)*50)]/(-6*2)
x=[-8+/-√1264]/(-12)
x=27.552
x~28

5 0
3 years ago
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