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Veronika [31]
2 years ago
5

PLEASE SOMEINE HELP ME WITH THIS ASAP

Mathematics
2 answers:
Tems11 [23]2 years ago
7 0

Answer:

Sure, Help you with what?

Step-by-step explanation:

Let me know :)

Have an AWESOME Friday <3

Archy [21]2 years ago
6 0

Answer:

what is the question

Step-by-step explanation:

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Find the x-intercepts of the parabola with vertex (1, -9) and y intercept at (0, -6).
weqwewe [10]
  • Vertex Form: y = a(x - h)^2 + k, with (h,k) as the vertex.

So firstly, plug the vertex into the vertex form: y=a(x-1)^2-9

Next, we first need to solve for a. Plug (0,-6) into the equation to solve for a as such:

-6=a(0-1)^2-9\\-6=a(-1)^2-9\\-6=a-9\\3=a

<u>Now we know that our equation is y = 3(x - 1)^2 - 9.</u>

Now to solve for the zeros (x-intercepts). Set y to 0 and add 9 to both sides of the equation: 9=3(x-1)^2

Next, divide both sides by 3: 3=(x-1)^2

Next, square root both sides: \pm\sqrt{3}=x-1

Next, add 1 to both sides: 1\pm\sqrt{3}=x\\2.73,-0.73=x

<u>Your x-intercepts are (-0.73,0) and (2.73,0), or B.</u>

6 0
3 years ago
I need help please!!!!!!
diamong [38]

Answer: pretty sure it is linear

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Make groups of ten. Write the tens and ones. 1) 90 Ones
Alisiya [41]
90  ones would make 9 tens. It makes 9 tens because theres a 0 after 90. The 0 represents another place value. You can write this as 9 groups of ten
7 0
3 years ago
A restaurant bill is $25.80. How<br> much is a 20% tip for this bill (NOT<br> the total)?
lozanna [386]

Answer:

25 pesos 80 pw

pesos I'm not sure

Step-by-step explanation:

25. 80

3 0
2 years ago
A group of people were given a personality test to determine if they were Type A or Type B. The results are shown in the table b
DIA [1.3K]

Answer:

P(Male or Type B) > P(Male | Type B)

Step-by-step explanation:

Total Female = 85 type A, 12 type B  ⇒ 97 Female.

Total Male = 65 type A, 38 type B   ⇒ 103 Male

Total type A = 65 + 85 = 150

Total type B = 12 + 38 = 50

total number of people = 97 + 103 = 200

Then the probability would be:

P(Male | Type B) = \frac{number of male in B}{total number of male}

                           = \frac{38}{103}

                           = 0.368

P(Male or Type B) = \frac{total number of male + (total number of people in B - total number of male in B)}{total number of male}

                              =  \frac{103 + (50 - 38)}{200}

                              = \frac{103 + 12}{200}

                              = \frac{115}{200}

                              = 0.575

 Hence, P(Male or Type B) > P(Male | Type B)

3 0
3 years ago
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