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antiseptic1488 [7]
2 years ago
8

Please help ik it’s a lottt but I’m really confused!

Mathematics
2 answers:
Juli2301 [7.4K]2 years ago
8 0

Answer:

Question number 13 is 18

Zepler [3.9K]2 years ago
7 0
Number 14 is x=1 and number 15 is x=2
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PLEASE HELP?! IM SO CONFUSED!!
Andre45 [30]

Answer:

C.

Step-by-step explanation:

-3 7/8 rounds down to -4

4.63 rounds up to 5

-4 x 6 + 5

-24 + 5

-19

her answer (-19.14) also rounds to -19

So yes, it is reasonable and the correct response is C.

5 0
2 years ago
A number increased by 25% becomes 30 the number is​
Masteriza [31]

Answer:

24

Step-by-step explanation:

Let 'x' be the number

x +25% of x = 30

x + 0.25x = 30

1.25x = 30

x = 30/1.25

x = 24

6 0
3 years ago
Could you please answer this question?
Juli2301 [7.4K]

Answer:

.

Step-by-step explanation:

3x - y = 17 .......A

10 × [x/5 + y/2] = 10 × 0

2x + 5y = 0 .......B

......A× 5 both 2 sides of equation

15x - 5y = 85 .....C

......B + ........C

2x + 15x = 0 + 85

17x = 85

x = 85/17

x = 5

put x value in ........A or .......B or ......C

you will receive y = -2

5 0
3 years ago
Read 2 more answers
The discount place on three computer are 4/5 1/4 and 3/10 which one has the highest price
lesya [120]

Answer:

4/5

Step-by-step explanation:

<u>4/5 = 80%</u>

1/4 = 25%

3/10 = 30%

5 0
3 years ago
Which expression is equal to -3b^4(6b^-8)? Assume b=/0
Hatshy [7]

Answer:

-18 b^-4= -18/b^4

Step-by-step explanation:

-3b^4(6b^-8)

Combine coefficients

-3*6 = -18

Combine exponents since the bases are the same, x^y * x^z = x^(x+z)

b^4 *b^ -8

b^(4+-8)

b^ -4

Put back together

-18 b^-4

We also know that x^-y = 1/x^y

-18/b^4

5 0
3 years ago
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