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
quester [9]
2 years ago
9

HELP 100 POINTS PLEASE GET IT RIGHT

Mathematics
2 answers:
Nat2105 [25]2 years ago
5 0

Answer:

Step-by-step explanation:

1) (2x^{2} - 9x + 4) + (3x^{2} + 2x - 3)

= 2x^{2} - 9x + 4 + 3x^{2} + 2x - 3

= 5x^{2} - 7x - 1

2) x^{2} - 4x - 3 + x^{2} -2x - 3

= 2x^{2} - 6x - 6

astra-53 [7]2 years ago
4 0

Answer:

1.) 5x^{2} -7x+1

2.)2(x^{2} -3x-3

Step-by-step explanation:

You might be interested in
The cost of 12 kg sugar is $240 what will be the cost of 3 kg sugar​
Alexus [3.1K]

Question:

The cost of 12 kg sugar is $240 what will be the cost of 3 kg sugar.

Given:

  • Cost of 12 kg sugar = $240

To find?

  • cost of 3 kg sugar

Answer :

<u>To find </u><u>c</u><u>o</u><u>s</u><u>t</u><u> </u><u>of</u><u> </u><u>3kg sugar first we have to find cost of 1 kg sugar</u><u>.</u>

  • Cost of 1 kg sugar = Cost of total no. of sugar ÷Total sugar
  • Cost of 1 kg sugar = $240/12
  • Cost of 1 kg sugar = $20

<u>Now Let's find cost of 3 kg sugar</u>

Cost of 3kg sugar = total no of sugar ×Cost of 1 kg sugar

Cost of 3kg sugar = 3×$20

Cost of 3kg sugar = $60

3 0
3 years ago
Can someone please help me with this question
aev [14]
A is x times larger than B
4*10^-3=x times larger than 4*10^-4
4*10^-3=x*4*10^-4
divide both sides by 4
10^-3=x*10^-4
divide both sides by 10^-4
10^1=x
10^1=10
answer is 10 times or C
5 0
3 years ago
Answer plsss as soon as possible
shtirl [24]

Answer:

Step-by-step explanation:

both angles must add up to 180 so

6x+12+3x+63 must =180

= 9x+75

9x+75=180

     -75  -75

9x=105

x=11.66

meaning A is approximately 81.96

3 0
2 years ago
Teje ratio of adulta to children attedening a new exhibit at the museum was found 8:5 based on this ratio if 390 people attended
Ratling [72]
8x - adults
5x - children

8x+5x=390\\&#10;13x=390\\&#10;x=30\\\\&#10;5x=5\cdot30=150
8 0
3 years ago
The following two parallelograms are drawn below. Find the measurement of FE or the variable “x”
labwork [276]

Answer:

x=15 in.

Step-by-step explanation:

If the parallelograms are equal (I assume they are), then the ratios are the same. 12 is 3/4 of 16. 3/4 of 20 is 15.

4 0
2 years ago
Other questions:
  • If a circle has a diameter whose endpoints are (-5, 8) and (5, -8), then the circle has its center at the origin. True False
    13·2 answers
  • Replace ​(. ) ​ with &lt;, &gt;, or = to make a true statement.
    15·1 answer
  • The slope of a line is 0, and the y-intercept is 6. the equation, written as y = 6, represents a horizontal line. true false
    10·1 answer
  • Rectangle A'B'C'D' is the image of rectangle ABCD after a dilation.
    9·2 answers
  • jordans dog weighs pounds emmett's dog weighs 25% more than.jordan's.dog which expressions represent the weight in of emmett's d
    8·2 answers
  • 0.7x − 0.2 = 8.3x + 7.2
    11·1 answer
  • A phone company offers two monthly plans. Plan A costs S8 plus an additional $0.15 for each minute of calls. Plan B costs $17 pl
    8·1 answer
  • A food distribution company has employees that order food supplies for local restaurants by predicting sales. It is important th
    5·1 answer
  • What is the answer to y=a(1-2)^2+-3 in vertex form.
    14·1 answer
  • Need help with geometry problem
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!