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il63 [147K]
2 years ago
9

The sum of the digits in a two digit number is 5. If 27 is subtracted from the number then places of the digits are interchanged

. Find the number. Please answer this with clarification! Thankyou<3
Mathematics
1 answer:
EleoNora [17]2 years ago
8 0

Please find the attached photograph for your answer

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5.which of the following ordered pairs is a solution of the given system of linear equations
liq [111]

Answer:

the answer is d

Step-by-step explanation:

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4 0
3 years ago
What is 25 times 25?
nikdorinn [45]

Answer:

625 is the answer!!!!!!!!

5 0
3 years ago
A waitress sold 12 ribeye steak dinners and 39 grilled salmon totaling $575.53 on a particular day. Another day she sold 25 ribe
DedPeter [7]

Answer:

The cost of a ribeye steak dinner is $18.60.

The cost of a grilled salmon dinner is $9.03.

Step-by-step explanation:

let r be the cost of a ribeye steak dinner

let g be the cost of a grilled salmon dinner

Represent the two situations using equations:

12r + 39g = 575.53   (equation 1)

25r + 13g = 582.43   (equation 2)

The best method to use for this case is elimination, which is when you get rid of one of the variables by subtracting or adding.

Since the coefficients for "g" are 39 and 13, they can be eliminated if equation 2 was triple itself.

(25r + 13g = 582.43)  X 3

= 75r + 39g = 1747.29  (new equation 2)

Subtract "equation 1" from "new equation 2"

.   75r + 39g = 1747.29

<u>-   12r + 39g = 575.53</u>

.    63r + 0g = 1171.76    <=we only deal with "r" because 0g is nothing

.             63r = 1171.76    <=divide both sides by 63 to isolate r

.                 r = 18.60       <=rounded from 18.599...

The cost of a ribeye steak dinner is $18.60.

Use any one of the equations to solve for "g", the cost of grilled salmon dinners. I will use equation 1.

12r + 39g = 575.53

Substitute r = 18.6

12(18.6) + 39g = 575.53   <=only one variable now

223.2 + 39g = 575.53     <=subtract 223.2 from both sides

39g = 352.33             <=divide both sides by 39 to isolate g

g = 9.03  <=rounded from 9.0341...

The cost of a grilled salmon dinner is $9.03.

4 0
2 years ago
What is 9 x 5 + 1 - 8
BlackZzzverrR [31]

Answer:

es 38 la respuesta

Step-by-step explanation:

jjj ok lhhjjjhhghgghhhh

8 0
2 years ago
Read 2 more answers
An automatic doughnut machine can produce 1500 doughnuts in 9 hours.
Svetllana [295]

Answer:

1 hr, 48 minutes

Step-by-step explanation:

you can create a proportion:

doughnuts/hours = doughnut/hours (h)

1500/9 = 300/h

cross-multiply to get:

1500h = 2700

h = 27/15

h = 1 12/15, which is 1 hr, 48 minutes because 12/15 = 48/60

7 0
2 years ago
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