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Margaret [11]
3 years ago
14

If N = f(x) and f(x) = 3x^2 −x−5

Mathematics
1 answer:
harina [27]3 years ago
8 0

Answer:

I really don't know so sorry

You might be interested in
A rectangle has an area of 65 cm² and a length of<br> 13 cm. Find the perimeter of this rectangle.
wel

Answer:

36 cm

Step-by-step explanation:

See attached image

6 0
2 years ago
The number of teams who entered in a 3-on-3 charity basketball tournament can be modeled by function T, where x is the number of
Svetradugi [14.3K]

Answer:

<u>Option A:</u>

R(x)=20x^2+300x+1080

Explanation:

The revenue, R(x) is the product of the number of teams who entered the tournament, T(x), times the entry fee paid by each team, F(x); then you can write:

  • R(x)=T(x)\times F(x)

Thus you must multiply the two functions (polynomials):

  • R(x)=(4x+24)\times (5x+45)

Use distributive property:

R(x)=(4x+24)\times (5x+45)=(4x)(5x)+(4x)(45)+(24)(5x)+(24)(45)

Simplify:

R(x)=(4x)(5x)+(4x)(45)+(24)(5x)+(24)(45)=20x^2+180x+120x+1080

Add like terms:

R(x)=20x^2+180x+120x+1080=20x^2+300x+1080

3 0
3 years ago
Find the value of b rounded to the nearest tenth
vekshin1

Answer:

You can use the Law of Sines for this problem, but what makes it tough at first glance is that they put a step in before you can use it directly. That first step is to get m∠C. When solving a triangle, always get the third angle if you know the other two so that you can use the Law of Sines (or Law of Cosines) more directly.

The sum of the angles of any triangles is 180°. We know the measures of the two other angles. So we subtract them from 180° to find that third angle.

180° - 76° - 66° = 38°

Now we can use the proportion from the picture. Angle B measures 76°, side b is our unknown, Angle C measures 38°, and side c measures 3 units.

sin 76° sin 38°

----------- = -----------

b 3

Cross multiply to find b (the side). We carry out five places in these calculations to get more accuracy.

3 * sin 76° = b * sin 38°

b = 3 * sin 76° 3 * 0.56611 1.69832

--------------- = --------------- = ---------------- = 5.73044

sin 38° 0.29636 0.29636

To the nearest tenth, b - 5.7 units.

Step-by-step explanation:

google hope this helps

6 0
3 years ago
I still cant figure it out . ughh −2∣5w−7∣+9=−7
Fofino [41]
W=3,-1/5 is the answer
3 0
3 years ago
Read 2 more answers
5 hours 15 min + 3 hours 33 min<br><br><br> show the working as well
Alika [10]

Answer:

8 hours 48 mins

Step-by-step explanation:

  h  m

  5:15

+3:33

--------------

  8:48

or

5 hours + 3 hours =8 hours,

15 mins + 33 mins = 48 mins

Therefore, it's 8 hours 48 mins.

7 0
2 years ago
Read 2 more answers
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