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2 years ago

PLEASE HELP ME NOW!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

cestrela7 [59]2 years ago

6 0

Answer:

I think it's 4.

Step-by-step explanation:

Natali5045456 [20]2 years ago

3 0

Answer

0 is the answer

Step-by-step explanation:

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I already found the vertex, but can someone help me find the latus rectum of this parabola?

Fofino [41]

Answer:

Step-by-step explanation:

y=x²+7

vertex(0,7)

the length of latus rectum in a parabola equal to four times the focal length :

y=x²+7

focus X=-b/2a=0

focus Y=c- (b²-1)/4a=7+1/4=29/4

focus (0 , 29/4)

latus rectum is 29/4

(x-h)^2 = 4p (y-k) 4p is the length of the latus rectum with vertex(0,7)

(0-0)²=4p(29/4-7)

0=29p-28p=1p

the length of the latus rectum is 1

8 0

2 years ago

Read 2 more answers

Find the lateral area of the cone in terms of π.

Andreyy89

Answer:

$15\pi\ cm^{2}$

Step-by-step explanation:

we know that

The lateral area of the cone is equal to

$LA=\pi rl$

where

r is the radius of the base

l is the slant height

we have

$r=3\ cm$

Applying the Pythagoras Theorem find the slant height

$l^{2}=3^{2} +4^{2}\\ \\l^{2}=25\\ \\l=5\ cm$

substitute in the formula

$LA=\pi (3)(5)=15\pi\ cm^{2}$

8 0

3 years ago

30PTS TO ANYONE WHO CAN ANSWER WITH THIS PROBLEM

Anni [7]

Answer:

$y\tan{x°}$

Step-by-step explanation:

well, by using definition of tan of an angle

let the distance between Earth and shooting star is $d$ .

since $\frac{d}{y}=\tan{x°}$ ,

then $d=y\tan{x°}$

8 0

2 years ago

What is the value of X to the nearest tenth?

Dennis_Churaev [7]

The answer to your question is 21.5

8 0

2 years ago

A small dealership leased 21 Suburu Outbacks on 2-year leases. When the cars were returned at the end of the lease, the mileage

Liula [17]

Answer:

yes 30 is the answer

Step-by-step explanation:

4 0

2 years ago