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erastova [34]
3 years ago
13

What plus what equals 90

Mathematics
2 answers:
Vikki [24]3 years ago
7 0
50+40 will equal 90 and 90+0 will equal 90 too.

Triss [41]3 years ago
4 0
10 + 80 = 90 subtract 90 to other numbers to get more equations
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Evaluate the expression. 4–4÷2
n200080 [17]

Answer:

2.

Step-by-step explanation:

7 0
3 years ago
PLEASE ANSWER!!!! 60 POINTS!!!!!
SpyIntel [72]

2. Distributive Property

4 is distributed and multiplied inside the parenthesis to x and -5.


4. Subtraction Property of Equality

x is subtracted from both sides of the equation.

4x - x - 22 = x - x + 3

3x - 22 = 3


5. Subtraction Property of Equality

22 is added to both sides of the equation.

3x - 22 + 22 = 3 + 22

3x = 25


6. Division Property of Equality

3 is divided from both sides of the equation.

\frac{3x}{3} = \frac{25}{3}

x = \frac{25}{3}

7 0
3 years ago
Read 2 more answers
Please help explanation if possible
Eva8 [605]

Answer:

612 adults

361 students

Step-by-step explanation:

To solve this question, set two equations:

Let x be number of adults and y be number of students.

As there are in total 937 people, the equation would be the sum of both adults and children:

x+y=937

x=937-y  ...... ( 1 )

As the total sale amount is $1109, the equation would be to add up the ticket fee:

2x+0.75y=1,109  ...... ( 2 )

Put ( 1 ) into ( 2 ):

2(937-y)+0.75y=1,109

1874-2y+0.75y=1,109

-1.25y=-765

y=763/1.25

y=612

Put y into ( 1 ):

x=973-612

x=361

Therefore there are 612 adults and 361 students.

5 0
3 years ago
What is the solution of the inequality x/3 > 1?
Alika [10]
If you would like to know what is the solution of the inequality x/3 > 1, you can calculate this using the following step:

x/3 > 1    /*3
x > 1 * 3
x > 3

The correct result would be x > 3.
6 0
3 years ago
The model shows the expression 21 + 9. A model with 3 rows of 7 squares and 3 rows of 3 squares. Which expression is equivalent
DaniilM [7]

Answer: the answer is 3(7+3)

Step-by-step explanation: since 7+3 is in paranthases you add them first to get 10 and you multiply it by the 3 to get 30. We know its correct because 21+9=30.

7 0
3 years ago
Read 2 more answers
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