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
Vesna [10]
3 years ago
8

What is the sum of x^2 - 3x + 7 and 3x^2 + 5x - 9

Mathematics
1 answer:
Dmitrij [34]3 years ago
7 0

Hey there!

The answer to your question is 4x^2+2x-2

Given:

x^2-3x+7 and 3x^2 +5x-9

First, we can start by adding like terms. The following are like terms:

x^2 and 3x^2

-3x and 5x

7 and -9

Now, we can add these pairs together, giving us:

4x^2

2x

-2

Now, add all this together, and we get our answer as:

4x^2 + 2x - 2

Have a terrificly amazing day!

You might be interested in
Given that the two triangles are similar, solve for x if AU = 20x + 108, UB = 273, BC = 703, UV = 444, AV = 372 and AC = 589.
Damm [24]
The answer:
<span>the two triangles are similar
in addition, the line UV is parallel to line BC, so we can use the theorem of Thales for proving the following ratios:

AV /AC = AU/ AB= UV/ BC
372/589=20x +80  / AB = 444 / 703

</span>so we get    (372/589) AB - 80 =  20x, and x = ( (372/589) AB - 80  ) / 20

exact value of x depends on the value of AB
8 0
3 years ago
Hurry Please
sleet_krkn [62]
It would be true no explanation needed
4 0
2 years ago
Read 2 more answers
a section of a stained glass window is shaped like a parallelogram. Its base is 6.5 inches, and its height is 4 inches. how much
Bond [772]
Area is base multiplied by height, so to get the answer you'd need to multiply 6.5 and 4
8 0
3 years ago
Hey can you please help me posted picture of question
Debora [2.8K]
We can use quadratic formula to determine the roots of the given quadratic equation.

The quadratic formula is:

x= \frac{-b+- \sqrt{ b^{2} -4ac} }{2a}

b = coefficient of x term = -11
a = coefficient of squared term = 2
c = constant term = 15

Using the values, we get:
x= \frac{11+- \sqrt{121-4(2)(15)} }{2(2)} \\  \\ &#10;x= \frac{11+-1}{4} \\  \\ &#10;x=3, x= 2.5

So, the correct answer to this question are option B and D
4 0
3 years ago
(a): How many miles does the train travel per gallon?<br> (b):What is the slope of the graph?
drek231 [11]

since the graph has direct variation as data in x axis increases y also increases.

so we need to find how many miles travelled per galloon .

we distance travelled per gallon =total distance travelled/galoons of fuel used.

Distance travelled per gallon=200 miles/400 gallons=0.5 litres travelled per gallon

for part b) slope=rise/run

m=(y2-y1)/(x2-x1)

y2=400  y1=0 x1=0 x2=200

m=(400-0)/(200-0)=2

slope of the graph is 2

5 0
2 years ago
Other questions:
  • [{5.25 divided [40 divided (12.30-4.3)]} +14
    13·1 answer
  • EFGH is a rhombus.
    11·2 answers
  • Plzzzzz help will Mark BRAINLYLIST!!!!!
    15·1 answer
  • A rectangle has width w inches and height h inches, where the width is twice the height. Both w and h are functions of time t, m
    8·1 answer
  • you are racing your friend and he has traveled 200 meters and you friend has traveled 30 kilometers . who has traveled the furth
    15·1 answer
  • Find the sum.express your answer in simplest form
    15·1 answer
  • I really need help with b and c
    10·1 answer
  • Karen will divide her garden into equal parts. She will plant corn in 8/12 of the garden. What is the fewest number of parts she
    7·1 answer
  • Within Unit 2: Mathematical Reasoning, Chapter 2: Decimals and Fractions,
    14·1 answer
  • Are (5/6) and 0.83 equivalent? Explain why.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!