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valentina_108 [34]
3 years ago
8

I confused a lot plz help

Mathematics
2 answers:
Naily [24]3 years ago
5 0
You have to divide 25 and 4 then add two
zaharov [31]3 years ago
4 0
(25 ÷ 4) + 2
↑↑↑↑↑↑↑↑↑
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Which graph shows the equation c = 10+ 3t, where c is the total cost of going to the carnival and t is the number of $3 tickets
lubasha [3.4K]

we have

c = 10+ 3t

where

c---------> is the total cost of going to the carnival

t---------> is the number of \$3 tickets purchased

we know that

<u>the domain of the function is the interva</u>l---------------> [0,∞)

Because the number of tickets can not be negative

<u>The range of the function is the interval</u>-------------> [10,∞)

Because the total cost can not be negative

using a graph tool

see the attached figure

The answer in the attached figure

7 0
3 years ago
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What % of $100 = $90
Harlamova29_29 [7]

Answer: 90%

Step-by-step explanation:

6 0
2 years ago
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10. The sum of the digits of a three-digit number is 11. If the digits are reversed, the new number is 46
Zarrin [17]

Answer:

hope this helps

Step-by-step explanation:

The sum of the digits of a three-digit number is 11.

If the digits are reversed, the new number is 46 more than five times the old number.

If the hundreds digit plus twice the tens digit is equal to the units digit, then what is the number?

:

Write an equation for each statement:

:

"The sum of the digits of a three-digit number is 11."

x + y + z = 11

:

The three digit number = 100x + 10y + z

The reversed number = 100z + 10y + x

:

" If the digits are reversed, the new number is 46 more than five times the old number."

100z + 10y + x = 5(100x + 10y + z) + 46

100z + 10y + x = 500x + 50y + 5z + 46

combine on the right

0 = 500x - x + 50y - 10y + 5z - 100z + 46

499x + 40y - 95z = -46

:

"the hundreds digit plus twice the tens digit is equal to the units digit,"

x + 2y = z

x + 2y - z = 0

:

Three equations, 3 unknowns

:

x + y + z = 11

x +2y - z = 0

-----------------Addition eliminates z

2x + 3y = 11

From the 2nd equation statement, we know that the 1st original digit has to be 1

2(1) + 3y = 11

3y = 11 - 2

3y = 9

y = 3 is the 2nd digit

then

1 + 3 + z = 11

z = 11 - 4

z = 7

:

137 is the original number

:

:

Check solution in the 2nd statement

If the digits are reversed, the new number is 46 more than five times the old number."

731 = 5(137) + 46

731 = 685 + 46

7 0
3 years ago
Pls help me on this........​
Shalnov [3]
The first one is the answer to the question
6 0
3 years ago
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A 12 foot rope is cut into two pieces so that one piece is 3 feet less than twice the length of the other piece. how long is eac
olga2289 [7]

12 feet long

 1st piece = x

2nd piece = 2x-3

3x-3 =12

3x=15

x = 5

 1st piece = 5 feet

 2nd piece = 2*5=10-3=7 feet

4 0
3 years ago
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