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lakkis [162]
4 years ago
6

Please help ASAP!ill give brainliest !

Mathematics
1 answer:
Vinil7 [7]4 years ago
5 0
The vertex is at (0, 3) so y=a(x-0)²+3, which is y=ax²+3
next, use a given point to find a: 10=a(3)²+3, so 9a=7, a=7/9
the equation is then y=\frac{7}{9}x^2+3

as for the first question, the shape is an ellipse, the domain is -5≤x≤5, the range is -3≤y≤3 

the equation can be written as :\frac{x^2}{25}+ \frac{y^2}{9} =1
You might be interested in
Help picture below problem 16
weeeeeb [17]

The Pythagorean theorem is the idea that the sum of the two legs which are both squared is equal to the hypotenuse's length squared.

     *<em>look at the image I attached for a better explanation</em>

By looking at the picture, we are missing the leg's length, and by using the Pythagorean theorem, we get the equation

    ?^2+9^2 = 16^2\\?^2 + 81=256\\?^2 = 175\\? = 13.2

Thus the <u>missing side length is 13.2 cm</u>

Hope that helps!

5 0
2 years ago
17. Test Practice which represents the number that is ten more than two
AleksAgata [21]

Answer:

2,080

Step-by-step explanation:

Two thousand and seventy is written as 2,070.

Ten more than 2,070 would be 2,080 as you're just adding on 10.

Hope this helps :)

7 0
3 years ago
How do i do this. i need help
ladessa [460]

Answer:

  (a)  greater

Step-by-step explanation:

When comparing numbers, it is helpful to have them in the same form. You could express them both as fractions with the same denominator, as percentages, as decimals, or any other form you like.

  walk to school: 18%

  close to school: 11/50 = 22/100 = 22% . . . (greater than 18%)

The portion of students who live within 1/2 mile of school is greater than the portion who walk to school.

_____

<em>Additional comment</em>

The % symbol essentially means /100.

Then 18% = 18/100 = 9/50. The fraction 11/50 is greater than this.

8 0
3 years ago
Solve the equation for x. 10x= 120​
Dominik [7]

Answer:

x = 12

Step-by-step explanation:

10x = 120                 original equation

10x/10 = 120/10       divide both sides by 10

x = 12                       simplify

Check work:

10(12) = 120

120 = 120 (true)

6 0
3 years ago
Read 2 more answers
Yeee yeee help me chfjchyfh
Anuta_ua [19.1K]

Answer:756

Step-by-step explanation:

7 0
3 years ago
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