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erik [133]
3 years ago
10

Expand to write an equivalent expression: -1/4(8x+12y)

Mathematics
1 answer:
trapecia [35]3 years ago
5 0

Answer:

-2x-3y

Step-by-step explanation:

-1/4(8x+12y)

-8/4x-12/4y

-2x-3y

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I NEED TO HAND IN NOW!!!
umka21 [38]

Step-by-step explanation:

a)

total no. of pupils is not more than 24

therefore first equation is

(x+y) ≤ 24. ....(1)

No. of girls exceeding the no. of boys by atleast 4

(y-x) ≥ 4. .....(2)

b) Now Liza chooses 8 boys

Maximum no. of girls = ?

Using first inequality

y+8= 24 ( maximum value of less than or equal to function is equal to itself)

Therefore,

y= 24-8

=16

Minimum no. of girls = ?

Using second inequality

y-8 =4 (minimum value of greater than or equal to function is equal to itself)

Therefore,

y= 4+8

y=12

Answer:

a) 2linear inequalities

(x+y) ≤ 24

(y-x) ≥ 4

b) Max no. of girls = 16

Min no. of girls = 12

Hope it helps...

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3 years ago
What is the square root of 16 X ^36
gayaneshka [121]
2/3 decimal form is 0.6+
6 0
2 years ago
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Eloise practiced piano for 25 of an hour. Sarah practiced piano for 34 of an hour.
MrMuchimi

Answer:

34 - 25 = 9

Step-by-step explanation:

7 0
3 years ago
Based on the graph what are the approximate solutions to the equation -2x+4=(0.25)x?
konstantin123 [22]
4=2.25x add 2x on both sides
1.78=x subtract 2.25 on both sides 
5 0
3 years ago
Sheila is building an addition to a house. The points E(- 1 1/2, -2 1/2), F(4 1/2, -2 1/2), G(4 1/2, 3 1/2), and H (9-1 1/2, 3 1
Helga [31]

Answer:

24 units

Step-by-step explanation:

8 0
1 year ago
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