What value of x makes this equation true 10x-6=3(x+1/2

Mathematics

1 answer:

Dmitriy789 [7]2 years ago

4 0

Answer:

15/14

Step-by-step explanation:

I am assuming you meant. 3(x+1/2)

10x-6=3x+3/2

7x=3/2+12/2

7x=15/2

x=15/2*1/7

x=15/14

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The ratio of girls to boys in jame’s chorus is 2 to 4. If there are 25 girls in her chorus, how many boys are there ?

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Answer:

There are 50 boys

Step-by-step explanation:

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2x(8+7)-6/2x(9-3) evaluate

Katarina [22]

Ok so assuming that the 'x' means multiply and not 'x' as in placeolder we do

PEMDAS
parenthaseees
exponents
multipilcation or division
additon or subtraction

parethasees simplify first
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now we have
2x(15)-6/2x(6)
multiply
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3 years ago

Read 2 more answers

What is the domain of (49,infinity) in inequality form?

valentinak56 [21]

$(a,b)=\{x|a\ \textless \ x\ \textless \ b\}$

In our case:

$(49,\infty) \Rightarrow 49\ \textless \ x$

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3 years ago

7.7.33

GenaCL600 [577]

We know that

At sea level, the height is 0 and
the pressure is 98 kilopascals

At 1000 ft, the height is 1000 and
the pressure decreases about 11.41%

i(100%-11.41%)/100----> (0.8859)

therefore
1) at 1000 ft--------> the pressure is 98*(0.8859)----------> 86.82 kilopascals
2) at 2000 ft--------> the pressure is 86.82*(0.8859)-------> 76.91 kilopascals
3) at 3000 ft--------> the pressure is 76.91*(0.8859)-------> 68.14 kilopascals
4) at 4000 ft---------> the pressure is 68.14*(0.8859)-------> 60.36 kilopascals

the answer is
The pressure at an altitude of 4000 m is about 60.36 kilopascals

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