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tamaranim1 [39]

3 years ago

15

Mrhopkins was making groups for the school field trip

1 answer:

prohojiy [21]3 years ago

8 0

How many groups were there

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Which equation represents the polar form of x² + (y + 4)² = 16?

Paraphin [41]

$x^2+y^2=r^2\hspace{5em}x=r\cos(\theta )\hspace{5em}y=r\sin(\theta ) \\\\[-0.35em] ~\dotfill\\\\ x^2+(y+4)^2=16\implies x^2+\stackrel{binomial~expansion}{y^2+8y+16}=16 \\\\\\ \underset{x^2+y^2}{r^2} + 8(~\underset{8y}{r\sin(\theta )}~)=16-16\implies r^2+8r\sin(\theta)=0 \\\\\\ r^2=-8r\sin(\theta )\implies \cfrac{r^2}{r}=-8\sin(\theta )\implies r=-8\sin(\theta )$

3 0

2 years ago

for his long-distance phone service, Kareem pays a $2 monthly fee plus $0.12 per minute. Last month, Kareem's long-distance bill

beks73 [17]

$13.52-$2=$11.52

$11.52 \div 0.12 = 96$

Kareem was billed for 96 minutes.

Hope this helps. - M

8 0

3 years ago

Which is greater -101 or -111

asambeis [7]

Answer:

-101

Step-by-step explanation:

cuz in all the negative integers the small number is the bigger number

3 0

3 years ago

I think it’s b but I’m not sure but can somebody help me

aev [14]

Answer:

B

Step-by-step explanation:

The small triangle is half the size of the entire triangle. 27/2 = 13.5

4 0

3 years ago

The length of a side of an equilateral triangle is x-45

Ilia_Sergeevich [38]

Answer:

that means all the other sides are x-45 and each of the angles are 60 degrees

(i dont know what your asking for)

3 0

2 years ago