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Schach [20]
3 years ago
11

WILL MAKR BRIANLIEST IF RIGTH!!!

Mathematics
1 answer:
kicyunya [14]3 years ago
5 0

Answer:

3 units

Step-by-step explanation:

By intersecting chords theorem:

AE \times EB = CE \times ED

\therefore 3 \times 4= x \times (x+1)

\therefore 12= x^2 +x

\therefore  x^2 +x-12=0

\therefore  x^2 +4x-3x-12=0

\therefore  x(x +4)-3(x+4)=0

\therefore  (x +4)(x-3)=0

\therefore  (x +4)=0, \: (x-3)=0

\therefore  x=-4, \: x=3

Since, the value of x can not be negative.

\therefore x\neq - 4

\implies x = 3

\implies CE = 3

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Which statement about the net is true?
Schach [20]
The net cannot be folded to form a pyramid because the faces that are not a base are not all triangles

If you fold this net up, you will get a triangular prism, NOT A PYRAMID.

A pyramid can have ANY polygon as its base, as long as all the other rest of the shapes are triangles.

Depending on the base, the number of triangles in a net of a pyramid must match the number of sides its particular base has.

For example, if you have a square pyramid turned into a net:
The base is a square (4 sides)
There should be 4 triangles on each side.

Because a pyramid is where all the triangles must meet up at a point.

Hope this helps!
3 0
3 years ago
What is anime?<br><br><br> i am confused
satela [25.4K]
It’s a Japanese cartoon style
5 0
3 years ago
Please help me i make my questions worth more, and give brainliest....
REY [17]

Step-by-step explanation:

(a-b)^2=a^2-2ab+b^2

X^2-2(X)(5)+5^2

Ans C

X^2-10X+25

7 0
3 years ago
Help please I get y=mx+b but I'm not sure how to do this
Fofino [41]

(3,4)  (9,7)

to find the slope

m = (y2-y1)/(x2-x1)

  = (7-4)/(9-3)

3/6

1/2

The slope is 1/2

point slope form

y-y1 = m(x-x1)

y-4 = 1/2(x-3)

distribute

y-4 = 1/2x -3/2

add 4 to each side

y = 1/2 x -3/2 + 4

y = 1/2 x -3/2 + 8/2

y = 1/2 x + 5/2

this is in slope intercept form

8 0
3 years ago
Read 2 more answers
Please help!! I need to know this by today
mario62 [17]
Answer=60

Since the base of the prism is a right triangle, we can use the pythagorean theorem to solve for x.

a²+b²=c²
plug in the data
a²+24²=30²
a²+576=900
subtract 576 from both sides
a²=324
sq root
a=18
So x=18


The formula for the volume of a triangular prism is...

V=(area of the base)*(height)
V=1/2bh*H      where b=base of triangle h=height of triangle, H=height of prism
plug in the data that we know
720=1/2*18*24*H
720=216*H
divide both sides by 216
3 1/3=H

So x=18 and y=3 1/3 or 3.33 repeating

The product of the two

18*3 1/3=60

Answer=60


6 0
3 years ago
Read 2 more answers
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