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
allochka39001 [22]
2 years ago
8

Does anyone know the questions for the dba of pre algebra 2.00?

Mathematics
1 answer:
Oksanka [162]2 years ago
6 0

Answer:

If this is FLVS every lesson has I think its called "Function question" underneath is a question. Thoes questions are for the dba. There are questions at the top of every page of every lesson. Look uo the answers for them! or use the notes most of the time they give you answer to them already. I hope that helps of you have any other questions feel free to ask <3

You might be interested in
Write a formula for perimeter and area of a circle<br> Thank you !
Ratling [72]

Answer:

<em>The area of a circle is πr2 and the perimeter (circumference) is 2πr</em>

<em>thank</em><em> </em><em>you</em><em> </em><em />

3 0
3 years ago
Read 2 more answers
GIVING OUt BRAINLIEST HELP PLSSS
docker41 [41]

Answer:

Step-by-step explanation:

135 degrees

brainly plz

8 0
2 years ago
Read 2 more answers
Type the correct answer in each box. Use numerals instead of words.
lubasha [3.4K]

Answer:

System A has 4 real solutions.

System B has 0 real solutions.

System C has 2 real solutions

Step-by-step explanation:

System A:

x^2 + y^2 = 17   eq(1)

y = -1/2x            eq(2)

Putting value of y in eq(1)

x^2 +(-1/2x)^2 = 17

x^2 + 1/4x^2 = 17

5x^2/4 -17 =0

Using quadratic formula:

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

a = 5/4, b =0 and c = -17

x=\frac{-(0)\pm\sqrt{(0)^2-4(5/4)(-17)}}{2(5/4)}\\x=\frac{0\pm\sqrt{85}}{5/2}\\x=\frac{\pm\sqrt{85}}{5/2}\\x=\frac{\pm2\sqrt{85}}{5}

Finding value of y:

y = -1/2x

y=-1/2(\frac{\pm2\sqrt{85}}{5})

y=\frac{\pm\sqrt{85}}{5}

System A has 4 real solutions.

System B

y = x^2 -7x + 10    eq(1)

y = -6x + 5            eq(2)

Putting value of y of eq(2) in eq(1)

-6x + 5 = x^2 -7x + 10

=> x^2 -7x +6x +10 -5 = 0

x^2 -x +5 = 0

Using quadratic formula:

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

a= 1, b =-1 and c =5

x=\frac{-(-1)\pm\sqrt{(-1)^2-4(1)(5)}}{2(1)}\\x=\frac{1\pm\sqrt{1-20}}{2}\\x=\frac{1\pm\sqrt{-19}}{2}\\x=\frac{1\pm\sqrt{19}i}{2}

Finding value of y:

y = -6x + 5

y = -6(\frac{1\pm\sqrt{19}i}{2})+5

Since terms containing i are complex numbers, so System B has no real solutions.

System B has 0 real solutions.

System C

y = -2x^2 + 9    eq(1)

8x - y = -17        eq(2)

Putting value of y in eq(2)

8x - (-2x^2+9) = -17

8x +2x^2-9 +17 = 0

2x^2 + 8x + 8 = 0

2x^2 +4x + 4x + 8 = 0

2x (x+2) +4 (x+2) = 0

(x+2)(2x+4) =0

x+2 = 0 and 2x + 4 =0

x = -2 and 2x = -4

x =-2 and x = -2

So, x = -2

Now, finding value of y:

8x - y = -17    

8(-2) - y = -17    

-16 -y = -17

-y = -17 + 16

-y = -1

y = 1

So, x= -2 and y = 1

System C has 2 real solutions

4 0
3 years ago
Read 2 more answers
Name three numbers whose product is about 9,000
Fed [463]
1x9000
3x3000
2x4500 
I hope this is what you are looking for
5 0
3 years ago
Read 2 more answers
I need help with this i can’t graph
zaharov [31]

Answer:

(-2,-5), (0,-4), (3,5) (1,1)

Solution:

Only (0,-4) is on the line

(-2,-5), (1,1), and (3,5) is in the orange

(5,5)  Isn't right because it's not on the line nor in the orange

4 0
3 years ago
Other questions:
  • A store charges 7% sales tax. Which expression can be used to find the total cost of an item with a price of p? 0.07p
    13·1 answer
  • What is AB? Please show work...
    7·1 answer
  • If b= 5, then what 4^1•4^b is equal to?
    8·2 answers
  • Students in Mrs. Thompson's classes are making cards to send to troops overseas.
    14·1 answer
  • I NEED HELP LIKE NOW
    5·2 answers
  • What is 8^4 x 8^6 simplified?
    10·1 answer
  • Given that a, b and c are positive integers, and abc=210, what is least possible sum for a+b+c
    5·1 answer
  • Which point is closer to the x axis
    10·1 answer
  • Suppose you worked 4.5 hours today and 2.25 hours yesterday. If you made $87, what were you
    7·1 answer
  • 2. CHARITY Luis was in charge of collecting money for
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!