1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
erastovalidia [21]
2 years ago
5

Help plsssssssssssssssssssss

Mathematics
1 answer:
noname [10]2 years ago
7 0

Answer:

Question 10:

Answer: b.

{ \tt{f(x) = 5 {x}^{2}  + 9x - 4}} \\ { \tt{g(x) =  -  {8x}^{2} - 3x - 4 }}

(f + g)x, add f(x) and g(x):

{ \tt{(f + g)x = (5 - 8) {x}^{2}  + (9 - 3)x - 4 - 4}} \\ { \tt{(f + g)x =  - 3 {x}^{2}  + 6x - 8}}

Question 11:

Answer: a.

In relation with solution of question 10, same procedure:

{ \tt{(f - g)x =  - 3 {x}^{3} +  (1 - 2) {x}^{2}  + ( - 3 - 4)x + 9 - ( - 9)}} \\ { \tt{(f - g)x =  - 3 {x}^{3} -  {x}^{2}  - 7x + 18 }}

You might be interested in
Select the simplification that accurately explains the following statement.
hjlf

The correct answer is A because when you solve everything in this equation, it comes out to 7=7=7=7=7, so this is correct. Just use your calculator to solve these.

5 0
3 years ago
Read 2 more answers
Please let me know what the answer is​
ratelena [41]

Answer:

It will be A m>-6

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
2) The distance between two villages is 0.625 km.
Elena-2011 [213]

Answer:

12.5 cm

Step-by-step explanation:

0.625km=62500cm. The scale factor is 1:5000. So the distance on the map will be 62500/5000=12.5 cm

6 0
2 years ago
Read 2 more answers
Assuming the following two triangles are congruent, solve for x if QR =
makkiz [27]

I think you meant the two <em>segments</em><em> </em>are identical, if so then:

3x + 16 = 5x - 22 \\  - 2x =  - 38 \\ x = 19

3 0
2 years ago
Read 2 more answers
What is the slope Of a line that passes through the points (9,8) and (2,3)?
tresset_1 [31]

(\stackrel{x_1}{9}~,~\stackrel{y_1}{8})\qquad (\stackrel{x_2}{2}~,~\stackrel{y_2}{3}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{3}-\stackrel{y1}{8}}}{\underset{run} {\underset{x_2}{2}-\underset{x_1}{9}}}\implies \cfrac{-5}{-7}\implies \cfrac{5}{7}

6 0
2 years ago
Read 2 more answers
Other questions:
  • A prism with a base area of 3 m² and a height of 4 m is dilated by a factor of 32 .
    7·2 answers
  • alias's hair grows at a rate of about 1/2 inch per month. how many months will it take her hair to grow 8 inches?
    14·2 answers
  • Which triangle is similar to /\JKL<br><br> A. /\JKM<br> B. /\MKL<br> C. /\KML<br> D. /\LJK
    12·2 answers
  • Some softball players hit a softball. Amalia hit the softball 36 inches. Nick hit the softball 6 feet. Lila hit the softball 108
    14·2 answers
  • At noon a tank contains 6 cm of water after several hours it contains 3 cm of water what is the percent inecrease of water in th
    5·1 answer
  • 5 / 6 = x / 24 . What is the number for the letter x ?
    13·2 answers
  • Helppp!! please ill give brainliest!!
    11·1 answer
  • Vertical angles are congruent.
    12·1 answer
  • In a cookie jar there are 9 sugar cookies and 12 snickerdoodle cookies. The cookie are randomly mixed together in the jar. What
    10·1 answer
  • PLEASE HELP ASAP MARKING BRAINLEIST + 50 POINTS
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!