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Andrej [43]
3 years ago
11

Does anybody know what 13-0.75(12)+8(1/2) is?

Mathematics
2 answers:
Ad libitum [116K]3 years ago
6 0

Answer:

8

Step-by-step explanation:

34kurt3 years ago
3 0

Answer: 8

Step-by-step explanation:

first multiply 0.75 X 12 and 8 X 0.5

which equals 9 and 4

then sub 13-9=4

then ad 4+4=8

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X² − 12x + 36 = 0<br><br> Solutions?
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Suppose a is jointly proportional to b and c. if a=4 when b=8 and c = 9, then what is a when b=2 and c=18
asambeis [7]

From the given information, a exists jointly proportional to b and c.

then $$a \propto b c$

Therefore, the value of a exists 2.

<h3>What is the value of a?</h3>

Given, a exists jointly proportional to b and c.

$$a \propto b c$

Taking K as the constant of proportionality.

a = K b c

For b = 8 and c = 9, the value of a = 4

4 = K(8)(9)

4 = 72 K

Dividing the equation by 72, we get

$K=\frac{1}{18}

Using the value of K in the equation:

$a=\frac{b c}{18}

Substitute the values of b = 2 and c = 18, in the above equation

$a=\frac{2 \times 18}{18} \\

a = 2

Therefore, the value of a exists 2.

To learn more the value of x refers to:

brainly.com/question/11874663

#SPJ4

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