epicsalsa
The ratio between two quantities is 2 : 7. If the second quantity is 9.9 kg, find the first.
A)
34.65 kg
B)
2.83 kg
C)
2.2 kg
D)
2.92 kg
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epicsalsa
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Hi again :D
epicsalsa
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you there
zordoloom
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Yep.
epicsalsa
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Ok
epicsalsa
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So whats this one!
zordoloom
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Question is too vague.
epicsalsa
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Mean to comfusing
zordoloom
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I think it's A.
epicsalsa
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Ratio of first quantity to second quantity is constant
2/7 = y/9.9, where y represents the first quantity
The cross products of proportions
zordoloom
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wait.
epicsalsa
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This is what i can help on
zordoloom
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It's b then.
epicsalsa
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when i do it it gives me 2.82857
epicsalsa
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and alot of wacky numberrs
zordoloom
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Ya, It would be B
nubeer
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Ratio
2 : 7
now we make the second side 1 as it's data is given
so divide both sides by 7
2/7 : 1
now for second quantity 9.9 is given
so multiply both sides with 9.9
9.9 * (2/7) : 1 * 9.9
epicsalsa
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For the set of ratios, find the two that are proportional.
49 , 7, 45
182 26 160
A)
49/182 and 7/26
B)
7/26 and 45/160
C)
49/182 and 45/160
epicsalsa
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How about this one
zordoloom
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I'll let nubeer take over from here.
epicsalsa
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NUUU
epicsalsa
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I like you zordoloom O:
zordoloom
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I never got a best response.
epicsalsa
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i give you one :D
epicsalsa
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See ;D
nubeer
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lol @zordoloom it's all fine you can explain i was just helping thats all :)
epicsalsa
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Thanks nubeer
epicsalsa
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Well nbeer can you help me
epicsalsa
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For the set of ratios, find the two that are proportional.
49 , 7, 45
182 26 160
A)
49/182 and 7/26
B)
7/26 and 45/160
C)
49/182 and 45/160
nubeer
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its A option
49/182 = 7/26
epicsalsa
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Write a proportion that could be used to solve for the variable s. Then solve.
5 pounds of seed for 2000 square feet
x pounds of seed for 1500 square feet
A)
5/1500 = x/2000; 7.5
B)
5/1500 = x/2000; 8.5
C)
5/2000 = x/1500; 8.5
D)
5/2000 = x/1500; 3.75
epicsalsa
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And this one
epicsalsa
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You there
nubeer
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it's C for this one.
5/2000 = x/1500
x = 3.75
epicsalsa
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Yup
epicsalsa
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i know this might be to much asking can you help me still?
nubeer
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yeah sure.
epicsalsa
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Thanks!
epicsalsa
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Solve the proportion.
y - 4 = y + 2
3 5
A)
12
B)
11
C)
13
D)
52
epicsalsa
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Inbewtween
epicsalsa
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the the nubmers
epicsalsa
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are a fraction
epicsalsa
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i got an idea
nubeer
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hmm idea? and what is that/
epicsalsa
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epicsalsa
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There
epicsalsa
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In the attachment is the question
nubeer
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5(y-4) =3(y+2)
open brackets and multiply
5y-20 = 3y +6
now just find the value of y.. can you?
epicsalsa
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Ummm
epicsalsa
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is it 3.25
nubeer
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nop.. can you put steps so i can tell where u made mistake.,
epicsalsa
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i jsut did the other you gave me
epicsalsa
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jsut added the like terms
epicsalsa
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added the 20 on both sides
epicsalsa
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divided it
epicsalsa
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gave me 3.5
nubeer
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divided by?
epicsalsa
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26
nubeer
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noo..
let me explain
5y-20=3y+6
first add 20 on both sides.
epicsalsa
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26
nubeer
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5y = 3y +26
epicsalsa
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ok
nubeer
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now subtract -3y on both sides.
epicsalsa
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2y
nubeer
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yes so
2y = 26
now divide both sides by 2
epicsalsa
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oh 13
epicsalsa
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zordoloom is on :D
nubeer
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yes.. :)
epicsalsa
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Julia surveyed 45 students about their preferred lunch. Thirty preferred chicken. Half of those students preferred chicken with barbecue sauce. What percent should Julia report as preferring chicken with barbecue sauce?
A)
33.66%
B)
32.34%
C)
33.33%
D)
31.35%
epicsalsa
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Help on dis!
nubeer
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ok out of 45, 30 like chicken.
epicsalsa
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huh?
nubeer
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and half of 30 like with sauce so 30/2
15 students like with sauce.
epicsalsa
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so what percent
nubeer
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so
(15/45)*100%
epicsalsa
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33.3333333333333333
epicsalsa
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Thats the answer
nubeer
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yes.
epicsalsa
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Its not on options O:
epicsalsa
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Nvm found it
epicsalsa
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The actual length of a dust mite is 0.3 millimeters. The model length is 3 cm. What is the scale of the model?
A)
100:1
B)
1: 100
C)
10:1
D)
1:10
nubeer
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hmm yes C one.
epicsalsa
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And this one
nubeer
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C for this one too.
epicsalsa
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so 10:1
nubeer
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yes
epicsalsa
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The number of students at Franklin High School increased from 840 to 910 over a 5-year period. What was the percent of change?
A)
9.22%
B)
7.29%
C)
8.33%
D)
6.55%
epicsalsa
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And this one?
nubeer
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(910-840)/840 * 100%
epicsalsa
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15.476 and bunch of whacky numbers i got
nubeer
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doubt that.. u did it wrong.. try again
(910-840)/840 = ?
epicsalsa
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0.083333333333333
zordoloom
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C
epicsalsa
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Thats what i got
nubeer
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now this answeer multiply 100
nubeer
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so it's 8.33
epicsalsa
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Oo
epicsalsa
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Yay still zordolloom is here :D
epicsalsa
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epicsalsa
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This is the new one!
epicsalsa
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Lol
epicsalsa
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silence.....
zordoloom
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no
epicsalsa
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The answer is no
zordoloom
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yep
zordoloom
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ratio is not correct.
epicsalsa
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epicsalsa
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I think is Muscian??
epicsalsa
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The answer is muscian correct me if i am wrong?
zordoloom
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That would be correct.
epicsalsa
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So msucian
epicsalsa
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i mean musical
epicsalsa
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so musical is the right answer.
zordoloom
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yes
epicsalsa
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A blueprint for a house states that 2.5 inches equals 10 feet. If the length of a wall is 12 feet, how long is the wall in the blueprint?
A)
3 inches
B)
4 inches
C)
4.5 inches
D)
3.3 inches
epicsalsa
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And this one!
zordoloom
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Didn't you already ask this question?
epicsalsa
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That was another when i sent you a picture
zordoloom
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3 inches
epicsalsa
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Find the unit rate. Round to the nearest tenth if necessary.
A machine seals 140 envelopes in 12 minutes.
A)
11.7 envelopes per minute
B)
11.5 envelopes per minute
C)
10.5 envelopes per minute
D)
11.67 envelopes per minute
epicsalsa
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How about this one!
zordoloom
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A.
zordoloom
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no it's D
epicsalsa
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11.7 envelopes per minute
zordoloom
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D
epicsalsa
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So witch one O: D or A
zordoloom
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D
epicsalsa
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11.67 right
zordoloom
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yep
epicsalsa
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Find 1/2% of 350. Round to the nearest tenth if necessary.
A)
1.5
B)
1.7
C)
1.9
D)
1.8
epicsalsa
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And dis one :D
zordoloom
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Good night. This is more than 10.
epicsalsa
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Awww
epicsalsa
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jsut 3 more please!
epicsalsa
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acttually 1 more
epicsalsa
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just this one and one more!
zordoloom
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Sorry. I have to go.
epicsalsa
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Please help me solve this one!
epicsalsa
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real quick!
zordoloom
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It's never gonna end. Try posting each question and see how much response you get. Nobody would give out as many answers. Good luck with your studies.
epicsalsa
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Thabnks anyway
zordoloom
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Good night.
epicsalsa
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You been great help
epicsalsa
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Good night to you friend