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Jlenok [28]
3 years ago
15

Shawn's collection has 38 more rocks in it than Cameron's collection. Together, they have 70 rocks. How many rocks are in Shawn'

s
collection? How many rocks does Cameron have?
Select the person with more rocks:





Enter the expression that represents the number of rocks in Shawns collection:



Enter the expression that represents the number of rocks in Cameron’s collection:



Enter the expression that represents the number of rocks they have together:


Enter the number of rocks in Shawns collection
Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
7 0
Please help solve 12-14

( will give brianlst :))
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Solve mathematics problem in photo please!
laila [671]
Hello,

8/(x-7)=7/2
==>(x-7)*7=8*2
==>7x-49=16
==>7x=65
==> x =9+2/7

Answser A
8 0
3 years ago
4) Sumalee had some candy to give to her
jonny [76]

Answer:

31 pieces

Step-by-step explanation:

6 + 5 x 5 = 31

5 0
3 years ago
A boat traveled 280 miles downstream and back. The trip downstream took 7 hours. The trip back took 14 hours. Find the speed of
Brrunno [24]
Let, the speed of boat = x 
Speed of current = y
So, x + y = 280/7
x + y = 40   ---- first equation

x - y = 280/14 
x - y = 20  
x = 20 + y

Substitute this value of x in first equation, 
20 + y + y = 40
2y = 40 - 20
y = 20/2
y = 10

Substitute this in first equation, 
x + 10 = 40
x = 30

In short, Speed of Boat = 30 mph, & speed of current = 10 mph

Hope this helps!
5 0
4 years ago
Let X be a continuous random variable with probability density function: fX(x) = ( 3 4 x (2 − x) 0 ≤ x ≤ 2 0 otherwise. (a) Dete
nikklg [1K]

Answer:

attached below

Step-by-step explanation:

Given :  FX (x) = 3/4x  (2-x)    0 ≤ x ≤ 2

a) Calculate the cumulative distribution function FX

Cdf =

attached below is the detailed solution

b) Let Y = √ X. determine CDF

attached below  

c) calculate PDF

4 0
3 years ago
Two triangles are said to be congruent, if three sides of one triangle are equal to the three corresponding sides of another tri
Natasha2012 [34]

Answer:

Side-Side-Side (SSS) Rule

8 0
3 years ago
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