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Andru [333]
3 years ago
8

NEED HELP ON THIS ASAP WEE WOO WEE WOO

Mathematics
2 answers:
Klio2033 [76]3 years ago
5 0
50 is the answer I think
mojhsa [17]3 years ago
3 0

Answer:

50

Step-by-step explanation:

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What is the equation of the quadratic graph with a focus of (1, 1) and a directrix of y = −1?
JulsSmile [24]
Alright,
directix is y=something so it opens down or up

we use
(x-h)²=4p(y-k)
the vertex is (h,k)
and p is distance from focus to vertex
if focus is above directix, p is positive
if focus is below directix, p is negative

so we gts

focus=(1,1)
directix is y=-1
1>-1
focus is above

oh, vertex is in middle of focus and directix
so
beteeen (1,1) and y=-1 is, hmm
that is a distance of 2 vertically
2/2=1
1 down from (1,1) is (1,0)
vertex is (1,0)
p=1

so
(x-1)²=4(1)(y-0)
solving for y to get into f(x)=something form
(x-1)²=4y
y=1/4(x-1)²
f(x)=1/4(x-1)²

4th option
6 0
3 years ago
The value of 30, to one decimal place, is approximately what?​
andrew-mc [135]

the answer is 5.5

when we write root of 30 in the calculater we get 5.477225575...

so we can round this off to one decimal point

and when we do the final answer will be 5.5

<em>hope</em><em> </em><em>that</em><em> </em><em>helps</em><em> </em><em>!</em>

8 0
3 years ago
Devin is collecting signatures for a petition to open a new park in her town. She needs to collect at least 1,000 signatures bef
san4es73 [151]

Answer:

B) 8 ≤ p

Step-by-step explanation:

1000 - 380 = 620

620 / 80 = 7.75

Round it up to 8

3 0
3 years ago
Read 2 more answers
What is 34.14 in expanded form
lorasvet [3.4K]
The answer to your question is 30+4.+10+4
5 0
3 years ago
Read 2 more answers
A group of students organized a car wash to raise money for a local charity. The students charged $5.00 for each car they washed
Gala2k [10]

The students will earn $180 by washing cars for 9 hours.

In 3 hours the students will earn...

$5 x 12 = $60

5 dollars x 12 cars = 60 dollars

So in 3 hours the group of students will earn $60

In 9 hours the students will earn...

$60 x 3 = $180

Since the students will earn $60 per every 3 hours, you multiply $60 with 3 because if you divide 9 hours by 3 hours you will get 3. The answer you get by multiplying 60 by 3 is 180. Therefore the students can earn $180 from washing cars.

I hope this helps!

3 0
3 years ago
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