3 years ago

1. Which rigid motions prove that triangle DWP and triangle MJS are congruent? how can you map

Mathematics

1 answer:

algol [13]3 years ago

6 0

Answer:

s.o.s.

S.O.S

HELPME DENGER

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Lara has three cats: Socks, Princess, and Luna. The ratio of Sock's weight to Princess's weight is 4:5. The ratio of Princess's

romanna [79]

A = Sock's weight
b = Princess' weight
c = Luna's weight

a : b = 4 : 5
b : c = 6 : 7

at this point, we have to change the 2 ratios (a : b and b : c) into one ratio (a : b : c)
to do that, we have to change the ratio number so the number b in both ratio is the same

a : b = 4 : 5 = 24 : 30
b : c = 6 : 7 = 30 : 35
From that we can conclude that
a : b : c = 24 : 30 : 35

Since we're looking for the ratio of Sock's weight to Luna's weight, it will be
a : c = 24 : 35

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3 years ago

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Please help. I've been trying to figure this out for an hour and I still don't understand how it's 72. I feel really stupid beca

rosijanka [135]

Answer:

C. $72\pi$

Step-by-step explanation:

The radius of the circle is 24 units, then the area of the whole circle is

$\pi r^2=\pi \cdot 24^2=576\pi \ un^2.$

The shaded circle is limited by 45° angle, so its area is

$\dfrac{45}{360}=\dfrac{1}{8}$

of the area of the whole circle.

The area of the shaded circle is

$\dfrac{1}{8}\cdot 576\pi =72\pi \ un^2.$

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4 years ago

Tessa claims that a rotation of 90° clockwise about the center of some polygons will carry the polygon onto itself. Select two p

DochEvi [55]

It's square and rhombus

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4 years ago

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What is the solution to the equation -2(1+5a)=-6(a+3) ?

Lilit [14]

The solution is a=4

-2(1+5a)=-6(a+3)

-2-10a=-6a-18

+18 +18

16-10a=-6a

+10a +10a

16=4a

divide by 4

4=a

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3 years ago

For the following geometric sequence, find the recursive formula. {-80, 20, -5, ...}

skad [1K]

For the geometric sequence, it has two forms of formula


We are interested in the recursive formula now


 {-80, 20, -5, ...}

The common ratio is (20/-80)=(-5/20)=-1/4=-0.25

So our recursive formula would be $a_n=a_{n-1}*(-0.25)=a_{n-1}*(- \frac{1}{4} )$

I hope that helps!

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3 years ago