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daser333 [38]
2 years ago
12

I need help how to do this problem

Mathematics
1 answer:
butalik [34]2 years ago
5 0
This is a simple ratio question, but first you need to find the number of non red marbles uses... call it a
 
                         Jar                         Tank
                          54                            a
                         -----                          ----
                            1                           6750

so using your multiplication skills the number of non red marbles is 

Non red = 54 x 9750

thene the total number of marbles in the tank is Red + Non Red

hope it helps
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Mason says that (12x + 4) - (-3x + 5) and 15x - 1 are equivalent. Is he correct? Explain
julia-pushkina [17]

Answer:

Yes

Step-by-step explanation:

12x minus -3x is the same as adding two positives. That gives us 15x. 4 - 5 is -1. Putting the two simplified parts of the expression together, we get 15x - 1. Mason is correct.

6 0
3 years ago
Read 2 more answers
I will mark you brainiest!!! What is 6 1/3 equal to?
bija089 [108]

Answer:

³√6

Step-by-step

³√6

6 0
3 years ago
Read 2 more answers
I really need help with this ! Thanks !
slamgirl [31]
SohCahToa

Sin=oposite side/hyptoonuse
Cos=adjacent side/hypotonuse
Tan=oposite side/hypotonuse

oposite side is the side oposite the angle
adjacent side is the side touching the angle that isn't the hypotonuse
hypotonuse is longest side





1.
first solve for hypotonuse using a²+b²=c²
hypotonuse=13
sinA=12/13
cosA=5/13
tanA=12/5
sinB=5/13
cosB=12/13
toa=5/12


2. the missing side is 8
sinD=15/17
cosD=5/17
tanD=15/5=3
sinE=5/17
cosE=15/17
tanE=5/15=1/3


3. missing side is 25
you should be able to do this
sinG=7/25
do the rest


4.
missing side is 6
sinJ=6/10=3/5
do the rest
7 0
3 years ago
A toxic radioactive substance with a density of 7 milligrams per square centimeter is detected in the ventilating ducts of a nuc
uysha [10]
For this case we have an equation of the form:
 y = A * (b) ^ t
 Where,
 A: initial amount
 b: decrease rate
 t: time in years.
 Substituting values we have:
 7 = A * (0.5) ^ ((1/20) * t)
 For t = 45 years we have:
 7 = A * (0.5) ^ ((1/20) * 45) 
 Clearing A:
 A = 7 / ((0.5) ^ ((1/20) * 45))
 A = 33.3
 Answer:
 
the density of the substance when it was deposited 45 years ago was:
 
A = 33.3 milligrams per square centimeter
5 0
3 years ago
A company borrows $50,000 at 6% for 6 months. Find the amount of simple interest that
pav-90 [236]

Answer:

$1,479.45

l= $50.000*0.06(6%=0.06)*(180/365)

I=3000*0.4931

I=1,479.45

Step-by-step explanation:

5 0
1 year ago
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