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
Anna11 [10]
3 years ago
7

What is the vertex of this equation y = -x^2+ 3

Mathematics
1 answer:
Svetach [21]3 years ago
4 0

Answer: (0,3)

Step-by-step explanation: To find the x-value of the vertex for any quadratic, you can use the formula -b/2a. In this case, there is no clear b, but you can think of it like y=-x^2 +0x+3 so in the form ax^2 + bx +c, b=0. Therefore the x-value is 0/ -2, or 0. So we know the vertex is (0, y). To find y, just plug 0 into the original equation for x, getting you y=0+3, so y=3, so the vertex is (0,3)

You might be interested in
Katrina is solving the equation -2(x+3)= 4(2x+3)-(x+4). Which equivalent equations might Katrina use? Check all that apply. Ox-2
s344n2d4d5 [400]

Step-by-step explanation:

-2x-6=8x+ 12-x-4

x-2x-6=8x+12-4

5 0
2 years ago
Read 2 more answers
Brian invests £7900 into his bank account.
DENIUS [597]

Step-by-step explanation:

1. use the equation

current amount X interest to the power of years

commpound interest is 2.3%

The starting value is £7900

So: £7900*1.023^5=£8851.26

Therefore, the answer is £8851.26 after 5 years of interest added

Hope this helps!!!

Have a nice day :)

7 0
3 years ago
What is the area of the logo?​
Ludmilka [50]

Answer:

the \: area \: of \: the \: logo \: is \:  {91cm}^{2}

Step-by-step explanation:

To determine the area of the logo you have to calculate the area of the triangle and the square that comform it and then add the four areas.

Area of the square.

To calculate the area of the square you have to calculate the square of one of its sides, following the formula:

a =  {a}^{2}

Where "a" is the length of one of its side.

The side length of the square is a=7cm, so its area will be:

asquare =  {7}^{2}  \\ asquare =  {49cm}^{2}

Area of the triangles.

The three triangles are equal, they have a base equal to the side of the square, i.e. with a length of 7cm, and their height is h=4cm.

To calculate the area of one triangle, you have to multiply its base by its height and divide by 2, following the formula:

a =  \frac{b.h}{2}  \\  a =  \frac{7.4}{2}  \\ a =  \frac{28}{2}  \\ a =  {14cm}^{2}

The area calculated the correspond to one triangle, since all triangles are congruent, you have to multiply the said area by 3 to determine the area of three figures:

atriangles = 3a \\ atriangles =  {42cm}^{2}

Now that the area of all shape are calculated, you have to add them to determine the area of the logo:

alogo = asquare + atriangle \\ alogo = 49 + 42 \\ alogo =  {91cm}^{2}

4 0
3 years ago
Read 2 more answers
PLEASE HELP!
Radda [10]

Answer:

Answer: 67.97%

Step-by-step explanation: BEWARE: THE ANSWER IS NOT 39.56%.

7 0
2 years ago
5) Jeff has a set monthly housing budget of $812. If Jeff is in an 18% tax bracket and his
Greeley [361]

Answer:

2.406%

Step-by-step explanation:

28600*18%=5148

$5148-28600=$23,452

$23452/12 months=$1954.33 a month take home

1954.33/812=2.406%

6 0
3 years ago
Other questions:
  • Martin’s class is organizing a concert to raise money for a charity the graph below shows the relationship between the number of
    5·1 answer
  • Tony has $727.29 in his checking account. He must maintain a $500 balance to avoid a fee. He wrote a check for $248.50 today. Wr
    15·1 answer
  • What is this answer I don't get it guys help me out<br> 5(x+5)=65
    9·2 answers
  • A rectangle has a height of 7 and a width of 2x^2 – 3.
    13·2 answers
  • HEEEEEEEEEEEELP <br> HEEEEEEELP
    13·1 answer
  • WILL GIVE BRAINLIEST What is the slope of the table shown? <br> 3<br> 5<br> 1<br> 2
    10·1 answer
  • The recipe makes 1 serving of punch. Sam used 2 cups of pineapple juice to make her punch, how many servings did she make? Use t
    10·1 answer
  • Any two points in space lie on one and only one _____.
    13·1 answer
  • Hi, can someone help me do this math problem ? you need to find m ​
    15·1 answer
  • A circle with radius of 2 cm sits inside a
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!