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Talja [164]
3 years ago
6

98 POINTS AND BRAINLIEST

Mathematics
2 answers:
Lelechka [254]3 years ago
6 0

Answer:

y=-4x^2+9x+9

Step-by-step explanation:

1st: we assume the equation will be in standard form (ax^2+bx+c)

2nd: since the graph passes through (0,9) then the y-intercept is @(0,9) or your c is 9.

3rd: since it passes through (2,11) then 11=4a+2b+c

4th: since it also passes through (3,0) then 0=9a+3b+c

* so we have c=9, 11= 4a+2b+c, and 0= 9a+3b+c*

So a=-4, b=9, c=9

plug in the numbers and you get y= 4x^2+9x+9

Hope this helps you. :3

Ilia_Sergeevich [38]3 years ago
4 0

Answer:.

.

Step-by-step explanation:

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your baseball team has won 6 games and lost 4 games. if the team does not lose any more games, how many games must the team win
puteri [66]

Answer:

<em></em>

<em>The team must win 2 games to have a win : loss ratio o 2.</em>

Step-by-step explanation:

  • <u>Ratio win : loss, r</u>:

       r = total wins / total losses

       

  • <u>Total wins, Tw</u>:

        Call n the number of new wins:

        Tw =number of wins until so far + number of new win = 6 + n

  • <u>Total losses, Tl</u>:

        Tl = number of losses so far + number of new losses = 4 + 0 = 4

  • <u>Target ratio</u>:

        r = 2 ⇒ Tw / Tl = (6 + n) / 4 = 2

Solve for n:

  • (6 + n ) = 4 × 2
  • 6 + n = 8
  • n = 8 - 6
  • n = 2

Hence,<em> the team must win 6 more games.</em>

  • <u>Verification</u>: (6 + 2 ) / 4 = 8 / 4 = 2, which is the target ratio.

8 0
3 years ago
Sofia is customizing shirts for the debate team. She can choose from 4 styles and 7 colors. How many different shirts is it poss
shusha [124]
Since there are 7 options for every 4 styles, you take 7x4x4
There are 112 different shirts possible for Sofia to customize
4 0
3 years ago
Polly bought a cracker for $7 and then bought a parrot for $2. By how much did Polly's account change after her transactions?
marysya [2.9K]

Answer:

Changes = -\$9

Step-by-step explanation:

Given

Cracker = \$7

Parrot = \$2

Required

Determine the changes in the account

First, we need to determine the total amount spent;

Total = Cracker + Parrot

Total = \$7 + \$2

Total = \$9

<em>Hence, the changes in her account is a debit of $9 i.e. -$9</em>

7 0
3 years ago
In the figure above, PQRS is a circle. If PQT and SRT<br>are straight lines, find the value of x.
Elena L [17]

Given:

PQRS is a circle, PQT and SRT  are straight lines.

To find:

The value of x.

Solution:

Since PQRS is a circle, PQT and SRT  are straight lines, therefore, PQRS isa cyclic quadrilateral.

We know that, sum of opposite angles of a cyclic quadrilateral is 180 degrees.

m\angle SPQ+m\angle QRS=180^\circ

81^\circ+m\angle QRS=180^\circ

m\angle QRS=180^\circ-81^\circ

m\angle QRS=99^\circ

Now, SRT  is a straight line.

m\angle QRT+m\angle QRS=180^\circ             (Linear pair)

m\angle QRT+99^\circ=180^\circ

m\angle QRT=180^\circ-99^\circ

m\angle QRT=81^\circ               ...(i)

According to the Exterior angle theorem, in a triangle the measure of an exterior angle is equal the sum of the opposite interior angles.

Using exterior angle theorem in triangle QRT, we get

m\angle PQR=m\angle QRT+m\angle QTR

x=81^\circ+22^\circ

x=103^\circ

Therefore, the value of x is 103 degrees.

4 0
3 years ago
Whats 9387c x 732l +99 *DO NOT REPORT TY!*
IRISSAK [1]

Answer:

You did not even start the meeting them you want us to join . Silly

Step-by-step explanation:

6871383

how you doing?

how your day going?

8 0
3 years ago
Read 2 more answers
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