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8090 [49]
3 years ago
6

What is 1/2 a a decimal

Mathematics
2 answers:
pashok25 [27]3 years ago
6 0
Answer: .5

Explanation: 50/100
Lena [83]3 years ago
5 0

Answer:

0.5

Step-by-step explanation:

just divide 1 by half

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Use (r,16) to solve y=2x-4
damaskus [11]
(x,y) = (r,16)

With this knowledge, plug in r for x, and 16 for y

16 = 2(r) - 4

Isolate the r, add 4 to both sides

16 (+4) = 2r - 4 (+4)

20 = 2r

Divide 2 from both sides

20/2 = 2r/2

r = 20/2

r = 10

hope this helps
4 0
3 years ago
Write the quadratic function in standard form.<br><br> y=2(x - 3)² +9
xz_007 [3.2K]

Answer:

y = 2x^2 - 12x + 27

Step-by-step explanation:

<u>Step 1:  Distribute the power</u>

y = 2(x - 3)² + 9

y = 2(x^2 - 6x + 9) + 9

y = 2x^2 - 12x + 18 + 9

y = 2x^2 - 12x + 27

Answer: y = 2x^2 - 12x + 27

5 0
3 years ago
Solve 0.9 x + 5.1 x -7= 2(2.5x-3). how many solutions dose the equation have?
Nataly [62]
The equasion has only one solution.

4 0
3 years ago
180 red marbles to 145 blue marbles <br> ratio
Ket [755]

Answer:

36 : 29

Step-by-step explanation:

Require to simplify the ratio

180 : 145

Divide both parts by 5

= 36 : 29 ← in simplest form

Simplest form means that no other number but 1 will divide into the 2 parts of the ratio.

6 0
3 years ago
Eddie the elf made 13 toys one day in the workshop. some were dolls and the rest were action figures. the number of action figur
Lunna [17]
To solve this problem we first call x = number of action figures, y = number of dolles. A system of two equations with two unknowns must be made to describe the problem. The system is the following:
 (x + 1) + y = 13
 1/2 * x = y.
 Then solving the system we have that x = 8 and y = 4.
 Since we know that the number of action figures is twice as many dolls plus one, then x = 8 + 1 = 9.
 Thus,
 dollos = 4
 action figures = 9
3 0
3 years ago
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