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Ivanshal [37]
4 years ago
14

Five times a number decreased by nine is equal to twice the number increased by 23. Which equation coule

Mathematics
1 answer:
Afina-wow [57]4 years ago
7 0

Answer:

5x-9=2x+23

Step-by-step explanation:

its right brainliest plz

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150 students of a hostel have food enough for 45 days 25 students leave the hostel after 10 days how much longer will the remain
Andru [333]

Answer:

The answer will be 9 food last

5 0
3 years ago
What is the domain of f?
larisa86 [58]

Answer:

\huge \boxed{\mathrm{A}}

Step-by-step explanation:

The domain of a function is all possible values for the value of x.

The denominator in a rational function cannot equal to 0.

x+2\neq 0

Subtracting 2 from both sides.

x\neq -2

The domain of the function is all real numbers except -2.

7 0
3 years ago
You need to buy some chicken for dinner tonight. You found an ad showing that the store across town has it on sale for $2.89 a p
ASHA 777 [7]

Answer:

   1. Going to the close store is cheaper.

Step-by-step explanation:

The difference in the prices of chicken is 3.19 -2.89 = 0.30 per pound, so for 5 pounds of chicken, the far store offers a price that totals 5×$0.30 = $1.50 less.

The difference in travel distances is 8.4 -2.4 = 6 miles, so the total round-trip distance difference is 12 miles. The cost of gas is ...

  ($3.81 /gal)/(23 mi/gal) = $0.1656 /mi

so the cost of gas for the 12-mile longer trip would be

  12×$0.1656 ≈ $1.99

Traveling to the far store, you would spend $1.99 more on gas to save $1.50 on the price of chicken. Going to the close store is cheaper.

3 0
3 years ago
There are 40 nickels in a roll. If you have 250 rolls of nickels, how many nickels do you have?pls help me
gayaneshka [121]

Answer:

10,000 nickles

Step-by-step explanation:

Since there are 40 nickles in a roll and you have 250, think that you have 250 sets of 40. This means that this question is a multiplication problem.

Multiply 40 x 250. This would give you 10,000.

Don't forget units.

7 0
4 years ago
Read 2 more answers
When x increases from a to a +2, y increases by a factor of 1/4
Troyanec [42]

Answer:

y=7* (0.5)^x

Step-by-step explanation:

We are given that when x increases from 'a' to 'a+2' then y must increase by a factor of 1/4=0.25.

i.e. when x=a and x'=a+2.

then y/y=0.25 where y' is the function after putting x' to the old function.

8 0
3 years ago
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