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
Vsevolod [243]
3 years ago
15

Solve 2x^2+3x=20. Please help

Mathematics
2 answers:
dangina [55]3 years ago
5 0

Answer:

Exact form: x=5/2,-4

Decimal form: x=2.5, -4

Mixed number form: x=2 1/2, -4

Step-by-step explanation:

Vinvika [58]3 years ago
5 0

Answer:

the answer would be x= -4

Step-by-step explanation:

-4

You might be interested in
Cement pillars for a porch or 2 feet wide, 2 feet thick, and 8 feet tall, there are six pillars in all what is the total volume
PolarNik [594]
(8)(2)(2)=32
32(6)=192
Final answer: 192ft^3
3 0
3 years ago
What is the solution to the inequality? 4x−5>19−8x
Nostrana [21]

Answer:

x>1.16

Step-by-step explanation:

Subtract 5 from each side to get 4x>14-8x

change the symbol from +8 to -8

4x> 14+ (-8x)

than add 8x to both sides

12x > 14

which would mean that x has to be greater than 1.16

x>1.16

7 0
3 years ago
How do you do this math problem -4+7x+4=3
11111nata11111 [884]

Answer:

x = 3/7

x = 0.43

Step-by-step explanation:

Make x the subject

x > ×7 > + 4 > -4 = 3

3 > + 4 > -4 > ÷ 7 = x

7 0
3 years ago
Light travels about 186,000 mi/s, the function d(t)=186,000 gives the distance in miles that light travels in T seconds , how fa
I am Lyosha [343]
Light travels 5,580,000 mi/s in thirty seconds
4 0
3 years ago
TanA+tanB+tanAtanB=1 If A+B=45 degree​
djyliett [7]

Answer:

See below

Step-by-step explanation:

\tan A+\tan B + \tan A.\tan B = 1\\\\ \implies \: \tan A +  \tan B =  1 -  \tan A.\tan B  \\  \\ \implies \:  \frac{\tan A +  \tan B}{ 1 -  \tan A.\tan B } = 1\\  \\ \implies \:  \tan (A +  B) = 1 \\  \\ \implies \:  \tan (A +  B) =\tan 45 \degree \\  \\ \implies \:  A +  B = 45 \degree \\  \\  thus \: proved

8 0
2 years ago
Other questions:
  • Sierra collected 39 seashells before breakfast and 2 1/3 times as many after breakfast. How many seashells did sierra collect in
    8·1 answer
  • Help !!!!!! Answer please 10 points!!!
    15·1 answer
  • How do I solve for d in the following equation? c(ad) + x= bd + ad(yz)
    8·2 answers
  • Paolo paid $ 28 $ 28 for a hat that was originally priced at $ 35 $ 35 . By what percent was the hat discounted?
    8·1 answer
  • Which expression can be used to determine the reference angle for an angle, x, measuring 150°?
    14·2 answers
  • You are making sets of pens and pencils to sell. You want each set to contain the same combination of pens and pencils. You have
    7·2 answers
  • ryan had 1/2 pound of chocolate .he divides,it into 4 equal portions.Enter the amount of chocolate ,in pounds
    8·2 answers
  • Parallelogram efgh has sides of length 20 inches and 14 inches as shown. Its acute angle measures 62 degrees. Find the area of e
    14·1 answer
  • What is the slope- intercept form of 11x-2y=-14
    9·1 answer
  • Sara brought a total of 8 nails at ace hardware. She purchased both 6 penny nails and 10 penny nails. She brought 2 more 6 penny
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!