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TiliK225 [7]
3 years ago
15

HELP HELP HELP FIRST RIGHT ANSWER GETS BRAINLIEST

Mathematics
1 answer:
tresset_1 [31]3 years ago
7 0

Answer:

y=3 i think

Step-by-step explanation:

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What is the value of x in the equation 3x - 1/9y = 18, when y = 27?<br> O 5<br> 07<br> O 45<br> 63
ddd [48]

Answer:

7.

Step-by-step explanation:

plug 27 in as y as y = 27.

3x - 1/9(27) = 18

3x + -3 = 18

add 3 on both sides

3x -3 + 3 = 18 + 3

3x = 21

x = 7

3 0
3 years ago
Find the value of y when x equals 26 x+4y=54
pishuonlain [190]

Factor out the common term "2".

2(13x+2y) = 54

Now, divide both sides by 2.

13x + 2y = 54/2. <-- <u>We could not divide into a whole number so it's a fraction.</u>

<u />

Simplify 54/2 to 27.

13x + 2y = 27 <--- <u>Since we have a whole number without a letter, we are done with that side.</u>

<u />

Now, we subtract 2y from both sides.

13x = 27 - 2y

Divide both sides by 13.

x = 27 - 2y/13.

<h3>Therefore, we get <u>x = 27 - 2y/13</u></h3>

That would be our final answer.

Good luck on your assignment!

- Emacathy

3 0
3 years ago
What is the percent change in the amount of a speaker that went from $120 originally to $110 now? (Round to nearest percent.)
Dmitry_Shevchenko [17]
Im not positive, but i believe the answer is 8.
4 0
3 years ago
Read 2 more answers
Suppose the length of the base b of a rectangle is increased by 20 percent and the length of the altitude h is increased by 40 p
jek_recluse [69]

9514 1404 393

Answer:

  (a) 1.2b

  (b) 1.4h

  (c) A = 1.68bh

  (d) 68%

Step-by-step explanation:

(a) If 20% of b is added to b, you have ...

  b + 0.20b = 1.2b

__

(b) Similarly, if 40% of h is added to h, you have ...

  1.4h

__

(c) The area of the new rectangle is the product of the new dimensions:

  A = (1.2b)(1.4h)

  A = 1.68bh

__

(d) The original rectangle area is A = bh, so the percentage change can be computed as ...

  (A'/A -1)×100% = ((1.68bh)/(bh) -1)×100% = (1.68 -1)×100% = 68%

The given increases in base and height increase the area by 68%.

5 0
3 years ago
A Mustang GT on Missouri has a marked price of $60,000. If paid in cash you are to pay 15% less than the marked price. It also h
xxTIMURxx [149]

Answer:

A) Discount on Cash price. ($9,000 )

B) Cash Price. ($51,000 )

C) Amount Payable. ($51,000 )

D ) Hire Purchase Price ($66,000 )

E ) Difference between the Hire Purchase price and the Cash Price. ($15,000 )

Step-by-step explanation:

The following is the workings:

The GT Missouri marked price = $60,000

If paying cash,

Discount = 15%

(15/ 100 ) x $60,000 = $9,000

Actual Price (less discount) = $60,000 - $9000 = $51,000

If hire purchase,

Firstly, 30% marked price,

= (30/100) x $60,000 = $18,000

Monthly payment = $1000

Period = 4 years = 4 x 12 = 48 months

Total monthly payment,

$1000 x 48 = $48, 000

Therefore, total hire purchase payment

Monthly payment + initial 30% payment

= $18,000 + $48,000 = $66,000

Difference between hire purchase and cash price,

= $66,000 - $51,000 = $15,000

5 0
3 years ago
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