HELP PLS WILL GIVE BRAINLISTE

Answers

Answer 1

Answer:

Answer:

-19.8

Step-by-step explanation:

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Hay can someone please help me what's7x4+6-12/4
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What is £390 shared as 5:8 ratio

Answers

Shared ratio is 5 : 8

Total parts
5+8 = 13

If we want to get a single part, it has to be divided by 13.
390 / 13 = 30

therefore,
5 : 8
1*5 : 1*8
30*5 : 30*8
150 : 240

What's 17⁄12 as a mixed number? A. 1 5⁄12
B. 1 12⁄7
C. 1 7⁄12
D. 7 1⁄2

Answers

You need to simplify. 12 goes into 17 once so it is defiantly not D. 17-12=5, so it is A.

The area of a triangle can be found using the formula: Area =1/2• base · heightFind the area of the triangle pictured below, where the measurements are given in meters (m)
8 m
13 m

Answers

Answer: 52 meters

Step-by-step explanation:

You have to multiply 8•13 which gives you 104 then you have to divide that by 2 and you get 52

Tanya bought three adult tickets and one children's ticket to a movie for 24.60 Li bought five adult tickets and four children's tickets for 50.10 . Find the cost of one adult ticket and the cost of one children's ticket.

Answers

Answer:

adult tickets 6.9

children tickets 3.9

Step-by-step explanation:

3x + y = 24.60 L1

5x + 4y = 50.10 L2

5L1 - 3L2

15x + 5y = 123

-15x - 12y = -150.3

-7y = -27,3

y = -27,3/-7

y = 3.9

3x + y = 24.60

3x + 3.9 = 24.60

3x = 24.60 - 3.9

3x = 20.7

x = 20.7 / 3

x = 6.9

What is the equation of the horizontal line that has y- intercept of -4

Answers

Since the line is horizontal (flat) the gradient, m, is zero (0). c is the y-intercept and in this case -4.

Equation of a line: y = mx + c

since m = 0 then,

y = c = -4

therefore y = -4 ...is the equation.

Help me please. I don't understand this section

Answers

What you do is that you use your algebraic magic to find your c value. First, you will divide both sides by 5. Now you have 2b= the square root of c +2. Now subtract 2 from both sides and you will have 2b-2= the square root of c. To undo the square root of c, you will need to square it, so square both sides and you have your answer. Good luck!

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