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CaHeK987 [17]
1 year ago
7

Tatiana starts with $8 in her piggy bank and saves $2 per week. Julian starts with $0 in his piggy bank and saves $4 per week.

Mathematics
1 answer:
SVETLANKA909090 [29]1 year ago
4 0

Answer:

A. y=2x+8

B. y=4x

Step-by-step explanation:

These are both linear equations so use y=mx+b where m is the slope (rate you earn money) and b is the yintercept (starting point).

Tatiana starts at 8 dollars and gains 2 dollars a week so m is 2 and b is 8

Julian starts without any money and gets 4 dollars a week so m is 4 and b is 0

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The length of the sides of a triangle are 2x +y/2, 5x/3+y + ½ and 2/3x +2y +5/2. If the triangle is equilateral, find its perime
Sav [38]

Answer:

Step-by-step explanation:

If the triangle is equilateral :

2x +y/2 =  5x/3+y + ½  = 2/3x +2y +5/2

so the perimeter is : P = 3(2x +y/2) or 3(5x/3+y + ½) or 3(2/3x +2y +5/2)

the simplest is :  P = 3(2x +y/2)

                            P = 6x + (3y)/2

6 0
3 years ago
Write the equation of the line perpendicular to 2x - 6y = 12 that passes through the point (-3,0).
Trava [24]

Answer:

y = -3x -9

Step-by-step explanation:

slope = 1/3

perpendicular slope = -3

y = mx + b

0 = -3(-3) + b

-9 = b

y = -3x -9

7 0
2 years ago
Read 2 more answers
Do you mind o could use a little help
OleMash [197]
5,120........................................
6 0
3 years ago
The question is in the picture i attached. the right answer gets brainlist :) <3
sergeinik [125]

Answer:

∠ 4 = 130°

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

∠ 4 is an exterior angle of the triangle , so

∠ 4 = ∠ 1 + ∠ 2 ( substitute values )

11x + 9 = 6x + 6 + 4x + 14 , that is

11x + 9 = 10x + 20 ( subtract 10x from both sides )

x + 9 = 20 ( subtract 9 from both sides )

x = 11

Then

∠ 4 = 11x + 9 = 11(11) + 9 = 121 + 9 = 130°

your friend may have only calculated ∠ 1

∠ 1 = 6x + 6 = 6(11) + 6 = 66 + 6 = 72°

7 0
2 years ago
-4/3x-6=-26 <br><br>A. -27<br>B. -15<br>C. 15<br>D. 27
JulsSmile [24]

Answer:

C. 15

Step-by-step explanation:

-4/3x-6=-26


The first step is to add 6 to each side

-4/3x-6+6=-26+6

-4/3x =-20  

Now multiply by -3/4 to isolate x.

-3/4 * -4/3x = -3/4 * -20

x = 60/4

x = 15

5 0
3 years ago
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