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Bess [88]
3 years ago
15

Write an expression to represent the following:

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
7 0
The answer would be: 5 + 9u
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In a box, 1/4 of the beads are red, 3/5 of the remainder are yellow, and the rest are blue. If there are 48 blue beads, how many
Andrei [34K]

Answer:

160 total beads

Step-by-step explanation:

so if 1/4 of the beads are red, then 3/4 of them are not.....so 3/4 is the remainder of beads.....and 3/5 of the remainder are yellow....so 3/5 of 3/4 =

3/5 * 3/4 = 9/20...so 9/20 are yellow.....and the rest (48) are blue.

1/4 + 9/20 = 5/20 + 9/20 = 14/20 reduces to 7/10...so 7/10 of the beads are red and yellow

so if 7/10 of the beads are red and yellow, then 3/10 are blue

3/10 of what number is 48

3/10x = 48

x = 48 * 10/3

x = 480/3

x = 160

let me check it..

1/4 are red......160 total beads.....so red beads = (1/4 * 160) = 160/4 = 40

3/5 of the remainder is yellow.....so 3/5 of (160 - 40) = 3/5(120) = 72 yellow

and then u have 48 blue...

40 + 72 + 48 = 160

so there are 160 total beads.......40 red, 72 yellow, and 48 blue <===

6 0
3 years ago
Is y=.75x+2 proportional or non proportional
olya-2409 [2.1K]

Answer:

non proportional

Step-by-step explanation:

6 0
3 years ago
Suppose that 65% of all registered voters in a certain area favor a waiting period before the purchase of a handgun. Among 225 r
Vedmedyk [2.9K]

Answer:

B

Step-by-step explanation:

225 x 0.65 = 135

7 0
2 years ago
Iiiiiiiidddddddddkkkkkkkkk
Artyom0805 [142]
  • Slope-Intercept Form: y = mx + b, with m = slope and b = y-intercept

So remember that <u>parallel lines have the same slope.</u> And since Line a's slope is 5/7, and line a and b are parallel to each other, this means that <u>line b's slope is 5/7.</u>

7 0
3 years ago
Y=x+1<br> 3x-2y=5<br><br><br> solve using substitution
miskamm [114]
Answer: (4, 5) 
Work:
Substitute the y in the second problem with y=x+1
3x-2(x+1)=5
3x-2x+1=5
x=4
Now solve for y
y=4+1
y=5
6 0
2 years ago
Read 2 more answers
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