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Hunter-Best [27]
3 years ago
5

First person to answer gets brainliest

Mathematics
2 answers:
Mrrafil [7]3 years ago
4 0

Answer:

thanks

Step-by-step explanation:

katovenus [111]3 years ago
4 0

Answer: is there a question or a pic?

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Solve the inequality for x. Show each step of the solution.<br> 12X&gt;9(2X-3)-15
agasfer [191]
12x > 18x - 27 - 15
12x > 18x - 42
12x - 18x > -42
-6x > -42
x < -42/-6
two negatives make a positive so now its x < 42/6
Lastly divide 42/6 so it can equal 7

Answer: X < 7.
6 0
3 years ago
Read 2 more answers
Solve the system of equations: <br> X+y+z=5<br> -3x-4y+4z=15<br> 2x-y-4z=-8
kolezko [41]

Answer:

Solution By Gauss jordan elimination method

x = 3, y = 2 and z = 4

6 0
2 years ago
................answer
lara31 [8.8K]

Answer:

1. b

2. I'm not sure about this one

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
How to do this question plz answer me step by step plzz plz ​
aliya0001 [1]

Answer:

adult cost £7, child cost £2

Step-by-step explanation:

let a represent an adult and c a child , then

2a + 3c = 20 → (1)

a + 4c = 15 → (2)

Multiplying (2) by - 2 and adding to (1) will eliminate a

- 2a - 8c = - 30 → (3)

Add (1) and (3) term by term to eliminate a, that is

- 5c = - 10 ( divide both sides by - 5 )

c = 2

Substitute c = 2 into either of the 2 equations and evaluate for a

Substituting into (2)

a + 4(2) = 15

a + 8 = 15 ( subtract 8 from both sides )

a = 7

The cost of an adult ticket is £7 and a child ticket is £2

5 0
3 years ago
A two-person relay race consists of eight times around a football field. Juan runs four and one-sixth times and Antonio runs thr
Serga [27]

Answer:

A


Step-by-step explanation:


To convert mixed number as improper fractions, use this rule:

A\frac{B}C}=\frac{(A*C)+B}{C}


<u>For Juan:</u>  (4\frac{1}{6})

4\frac{1}{6}=\frac{(4*6)+1}{6}=\frac{25}{6}


<u>For Antonio:</u>  (3\frac{2}{3})

3\frac{2}{3}=\frac{(3*3)+2}{3}=\frac{11}{3}


Answer choice A is correct.


5 0
3 years ago
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