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Aleks [24]
3 years ago
13

The ratio of the number of beads Karen had to the number of beads Patricia had was 2:5 .After Patricia bought another 75 beads,t

he ratio became 4:15.How many beads did each girl have at first?
Mathematics
1 answer:
blondinia [14]3 years ago
7 0
K:P=2:5
P+75 it is 4:15
at first, P=5 units
so we have
2:5 and 4:15
since the K units didn't change we conver them to the same
2:5 times 2:2=4:10
so from 4:10 to 4:15 is a change of 75 in the right side
therefor 75=5 units so 75/5=15/1= 1 unit
so at first K=4 units=4 times 1 unit=4 times 15=60
P=10 units so 10 times 15=150

at first
Karen=60
Patricia=150
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The lengths of angles given represent the sides or angles of a triangle.
Dafna1 [17]

Answer:

C.

Step-by-step explanation:

Comparing the sides: 20 = 12 + 8.

The largest side must be less than the sum of the other 2 sides for there to be a triangle.

No triangle can have these dimensions.

4 0
3 years ago
Please help this is due TODAY
Nutka1998 [239]

Answer:

Step-by-step explanation:

we are given that given that  1/2T = 60 so T=120°  so we also know R = 120 °

then W and S are also the same angle so 2z +240 = 360

2z = 120

z=60

W =60 °

S = 60 °

which makes sense b/c the small triangles also tell us that the sharp angles of the small triangles are 30 °  for the  30 , 60 90 triangle.

so by complementary angle we know that c = 60 °

we also know that a = 12 b/c all the small triangles are identical.  

we also know that b= 90 °  also by complementary angle

we can also solve for length of SW and RT

cos(30)=adj / Hyp  

12*Cos(30) = adj

12*\sqrt{3} /2 = adj

but the adjacent side is 2 times for SW so

SW = 12 \sqrt{3}

for RT

sin(30) = Opp / hyp

12 * Sin(30) = Opp

12 * 1/2 = opp

but RT is times 2 again, sooo

RT = 12

you can also solve for the area of SRWT = 12 *12 = 144 units  (what ever unties 12 is in)   hmmm

That's all I can think of to solve for now  :)

3 0
3 years ago
A. Use the Pythagorean theorem to calculate the length of segment AC. Show your work for credit.
Solnce55 [7]

alright so first ur trying to find adjacent so use cos which is adjacent/hypotenuse you know the angle of c is 90 because it is a right angle

so it gonna be

cos(90)= AC/5

5*cos(90)= AC

5*0=AC

side AC = 0

6 0
3 years ago
The back of a large truck can hold 3,560 pounds. If a crate of milk weighs 160 ounces, how many crates will the back of the truc
AlekseyPX

Answer: 356 crates

Step-by-step explanation:

1 pound = 16 ounces

Then 160 ounces = 10 pounds

if 1 crate is of 10 pounds then 3560 pounds contains 3560/10 crates

8 0
3 years ago
Read 2 more answers
Find the missing side of the triangle. <br> Solve for X
mr Goodwill [35]

Answer:

11.18 or 11 yards

Step-by-step explanation:

15² - 10² = x²

225 - 100 = x

225 - 100 = 125

√125 = 11.180339887498948482045868343656

11.180339887498948482045868343656 rounded to the nearest hundredth is 11.18; to the nearest tenth is 11.2; and to the nearest one is 11.

8 0
3 years ago
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