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Alchen [17]
1 year ago
13

STOP SCROLLING AND HELP ME WITH THIS!! IT IS DUE TOMORROW

Mathematics
1 answer:
enyata [817]1 year ago
6 0

Answer: (-2, -5), (-1, -8), (0, -9), (1, -8), (2, -5)

Step-by-step explanation:

f(-2)=(-2)^2-9

f(-2)=4-9

f(-2)=-5 ==> (-2, -5)

f(-1)=(-1)^2-9

f(-1)=1-9

f(-1)=-8 ==> (-1, -8)

f(0)=0^2-9

f(0)=0-9

f(0)=-9 ==> (0, -9)

f(1)=(1)^2-9

f(1)=1-9

f(1)=-8 ==> (1, -8)

f(2)=(2)^2-9

f(2)=4-9

f(2)=-5 ==> (2, -5)

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50% of the apartments in a certain building have windows and hardwood floors. 25% of the apartments without windows have hardwoo
alexdok [17]

Answer:E 83\frac{1}{3}

Step-by-step explanation:

50% of the apartment in a certain building have windows and hardwood floors.

25% of the remaining 50% apartment without window have hardwood floors.

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Therefore percent of the apartments with windows have hardwood floors is

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3 years ago
3. The product of and<br>29<br>-26<br>3<br>is ...​
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Answer:

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Step-by-step explanation:

7 0
3 years ago
Find the work done by the force field F(x, y) = xi + (y + 5)j in moving an object along an arch of the cycloid r(t) = (t − sin(t
Nimfa-mama [501]

Integrate the force field along the given path (call it <em>C</em>):

W=\displaystyle\int_C\mathbf F(x,y)\cdot\mathrm d\mathbf r=\int_0^{2\pi}\mathbf F(x(t),y(t))\cdot\frac{\mathrm d\mathbf r}{\mathrm dt}\,\mathrm dt

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2 years ago
The length of a rectangle is eight more than twice its width. The perimeter is 96 feet. Find the dimensions of the rectangle
Debora [2.8K]

Answer:

The width  of the rectangle is 14'8",  and the length is 33'4"

Step-by-step explanation:

We're given two pieces of information:

The length is eight more than twice the width:

l = 2w + 4

The perimeter is 96 feet:

p = 96

We also need to apply one more piece of information that is not provided here, and that is the relationship between the perimeter of a rectangle, and it's length and width:

p = 2l + 2w

We can solve for w by plugging the other two values into the last:

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Now we can find the length by plugging w into the first equation:

l = 2w + 4\\l = 2(14\frac{2}{3}) + 4\\l = 29\frac{1}{3} + 4\\l = 33\frac{1}{3}

One third of  a foot is four inches, so the width is 14'8" and the length is 33'4"

To make sure our answer is correct, we should plug those numbers back into the area equation and see if we're right:

p = 2l + 2w\\p = 2(33\frac{1}{3}) + 2(14\frac{2}{3})\\p = 66\frac{2}{3} + 29\frac{1}{3}\\p = 96

So we know our answer's correct

8 0
2 years ago
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