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BaLLatris [955]
2 years ago
12

What is the value of x in the equation 3x -1/9 y = 18, when y = 27? 5 7 45 63

Mathematics
1 answer:
almond37 [142]2 years ago
4 0

Answer:

x=7

Step-by-step explanation:

we have

3x-\frac{1}{9}y=18

Substitute the value of y=27 in the equation and find the value of x

so

3x-\frac{1}{9}(27)=18

3x-3=18

3x=18+3

3x=21

x=7

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A+1=1 find the value of b^a​
Ray Of Light [21]

Answer:

1

Step-by-step explanation:

a+1=1

a=1-1

a=0

b^a which means:

b^0

whenever power is 0 answer is always one

so value of b^a is 1

6 0
3 years ago
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Suppose Austin, Texas, is hit by a tornado that destroys 25 percent of the housing in the area. Would you expect the total expen
notsponge [240]

Answer:

<u>greater than what it was before</u>

Step-by-step explanation:

<em>Remember</em>, a tornado usually causes significant structural damages to houses within its area of impact., and this requires running expenses to repair the damage.

Hence,<u> since the term </u><u>expenditure, </u><u>also implies expenses; we can expect the total expenditure on housing after the tornado to be </u><u>greater than</u><u> what it was before the tornado since families would be paying for repairs.</u>

4 0
2 years ago
What's the slope of the line?​
mixas84 [53]

Answer:

The slope is -1

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6 0
2 years ago
2x+3y=6<br> 3x-y=2<br> How many solutions does this have, one, none or infinite
sergey [27]
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6 0
3 years ago
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Aiden's mom calculated that in the previous month, their family had used 40% of the monthly income for
Natali5045456 [20]

Answer:

The money left after gasoline expenses was <u>$622.50</u>.

Step-by-step explanation:

Given:

Last month, family had used 40% of the monthly income for  gasoline, and 63% of that gasoline was consumed by the family's SUV.

The family's SUV used $261.45 worth of  gasoline previous month.

Now, to find the money left of the family monthly income after gasoline expenses.

Let the total money spend on gasoline be g.

As, given:

The family's SUV used $261.45 worth of  gasoline, which was 63% of the gasoline that was consumed.

According to question:

63\%\ of\ g=$261.45.\\\\

\frac{63}{100} \times g=261.45\\\\0.63\times g=261.45

<em>Dividing both sides 0.63 we get:</em>

g=\$415.

<u><em>The total money spend on gasoline = $415.</em></u>

Now, 40% of the monthly income is used for gasoline.

Let the total monthly income be x.

So, to get the monthly income we put an equation:

40\%\ of\ x=\$415\\\\\frac{40}{100}\times x=415\\\\0.40\times x=415

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x=\$1037.50.

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\$1037.50-\$415\\\\=\$622.50.

Therefore, the money left after gasoline expenses was $622.50.

6 0
2 years ago
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