CAN SOMEONE HELP ME WITH THIS

Mathematics

1 answer:

Leona [35]3 years ago

3 0

I think its A because it stops between 7 and -7 on x and stops between 5 and -5 on y

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3/10=15/50=18/? <br><br> Para ya pLis

anastassius [24]

The answer is 18/10 .

3 0

3 years ago

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

Wilson frees home security system he has an 11% commission on every system he sells wislson sale for this month totaled $4264.00

Finger [1]

Wilson's commission is $469.04

Step-by-step explanation:

Given,

Commission = 11%

Total sales worth = $4264.00

Amount of commission = 11% of total sales worth

$Amount\ of\ commission=\frac{11}{100}*4264\\\\Amount\ of\ commission=\frac{46904}{100}\\\\Amount\ of\ commission=\$469.04$

Wilson's commission is $469.04

Keywords: commission, division

Learn more about division at:

#LearnwithBrainly

6 0

3 years ago

Someone please help me in math

Helga [31]

I just solved it and I'm pretty sure its only one solution, I took the bottom equation multiplied it by -3 then i canceled out the equations and got 9. So that would make it C.

3 0

4 years ago

Read 2 more answers

Hi again here's the picture

pshichka [43]

Answer:

Step-by-step explanation:

Given,

D = diameter of semicircular part = 42 m

L = Length of straight part = 110 m