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
viva [34]
3 years ago
13

2 x 9 ( i know the awnser)

Mathematics
2 answers:
garri49 [273]3 years ago
8 0
The answer for 2 x 9 is 18
Anna71 [15]3 years ago
4 0
18 that's the answer:)<span />
You might be interested in
Need an answer for question 7 HURRY PLEASE 20 POINTS
Andrei [34K]

Answer:

2x^2 = 6x - 5.

-x^2 - 10x = 34.

These have only complex roots/

Step-by-step explanation:

3x^2 - 5x = -8

3x^2 - 5x + 8 = 0

There are complex roots if the discriminant  9b^2 - 4ac) is negative.

Here the discriminant D = (-5)^2 - 4*-5*8 = 25 + 160

This is positive so the roots are real.

2x^2 = 6x - 5

2x^2 - 6x + 5 = 0

D = (-6)^2 - 4*2*5 =  36 - 40 = -4

So this has no real roots only complex ones.

12x = 9x^2 + 4

9x^2 - 12x + 4 = 0

D = (-12)^2 - 4*9 * 4 = 144 - 144 = 0.

- Real roots.

-x^2 - 10x = 34

x^2 + 10x + 34 = 0

D = (10)^2 - 4*1*34 = 100 - 136 = -36.

No real roots = only complex roots.

7 0
3 years ago
What is the domain of the function shown in the mapping
Yuri [45]
The domain { x | x = -5 , -3 , 1 , 2 , 6}
5 0
3 years ago
Read 2 more answers
(३) एक शब्द में उत्तर लिखो:
o-na [289]

करना चाहिए। वे तुम्हें नष्ट कर देंगे।

आप कोई मौका नहीं खड़े हैं। तुम

उसके हाथ पर मर जाओगे। पछताना

8 0
3 years ago
Select all irrational numbers. √4 √8 √10 √15 √35
larisa [96]
√4 =2
√8= 2<span>√<span>2
</span></span>√10=√10 as (Decimal: 3.162278)
√15=√15 as (Decimal: 3.872983)
√35=√35 as (Decimal: 5.91608)
6 0
3 years ago
Arcola bought 8 virtual reality headsets for $400 each and 8 laptops for
MrRa [10]

Answer:

arcola spent 916 dollars

5 0
2 years ago
Read 2 more answers
Other questions:
  • What is 8 3/4% expressed as a fraction? A.8100 B.780 C.740 D.825
    7·2 answers
  • at the middle school graduation dance, the dj played 12 slow dances, which was equal to the quotient of the number of fast dance
    5·1 answer
  • If f(x)=4x+2, find f(-3)
    15·1 answer
  • What is 10000000000000000000000000000000000000 plus 1000000000000000000000000000000000000000000-235
    5·2 answers
  • Colleen rode her bicycle 9.5 miles in 0.8 hour. What was her average speed in miles per hour? a 11.875 miles per hour b 10.3 mil
    8·2 answers
  • you have one case of soap bars in there is 150 bars in a case you use 300 bars of soap per day how many cases do you need to ord
    15·1 answer
  • Three years ago, Andy invested $7,000 in an account that earns 10% interest compounded annually. The equation y = 7,000(1.10)t d
    11·1 answer
  • Joseph buys 3/4lb of cheddar, 3/5lb of provolone, and 7/9lb of Gouda. Which type of cheese did he buy in the greatest amount
    11·2 answers
  • Tính đạo hàm y= ( x^2+1)(x^3+1)^3
    8·1 answer
  • Find the missing side.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!