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lana66690 [7]
3 years ago
7

How to solve this equations?

Mathematics
1 answer:
snow_lady [41]3 years ago
8 0
C is the best answer because it makes sence 
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Sweety’s mother is 12 years more than twice Sweety’s age. After 8 years, she will be 20 years less than three times Sweety’s age
Anton [14]

Answer: 44

Step-by-step explanation:

Let your age be x.

Then your mother's age will be 2x + 12.

After 8 years,

Your age will be x + 8.

Your mother's age will be 3(x + 8) - 20 = 3x + 24 - 20 = 3x + 4.

This is equal to 2x + 12 + 8 = 2x + 20

2x + 20 = 3x + 4

3x - 2x = 20 - 4

= x = 16

7 0
2 years ago
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Simplify: 13 + 2 + m + 7
Yuri [45]

Answer:

22+m or m+22

Step-by-step explanation:

add all them up but the M

8 0
2 years ago
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This is timed plese help
hram777 [196]

Answer:

98in^2

98 inches squared

Step-by-step explanation:

24.5=1 triangle

x=4 triangles

x=24.5*4

x=98 in^2

5 0
2 years ago
The school bookstore ordered three-ring notebooks. They put 75% of the order in the warehouse and sold 0% of the rest in the fir
vladimir2022 [97]

Answer:

Step-by-step explanation:

100% divided by 4 is 25%

25 books were 1/4 of the books total.

the other 3/4 would be 75%

they og ordered 100 books

7 0
2 years ago
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...

5 0
3 years ago
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