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3 years ago

Students were surveyed about birthdays. How many more students were born on Tuesday than on Wednesday?

Mathematics

1 answer:

julsineya [31]3 years ago

3 0

Answer:

2 students

Step-by-step explanation:

See attached pic for complete question.

This is a very simple question.

Each "x" represents 1 student.

If we see the column for Tuesday, we can count there are 4 "x"s.

If we see the column for Wednesday, we can count there are 2 "x"s.

So 4 - 2 = 2 more students were born on Tuesday than on Wednesday [according to the graph]

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What is the value of x in the equation 6x-5/2 = 2x+6

nataly862011 [7]

Answer:

x= 17/8

Step-by-step explanation:

6x− 5/2=2x+6

Step 1: Simplify both sides of the equation.

6x+−5/2=2x+6

Step 2: Subtract 2x from both sides.

6x+−5/2−2x=2x+6−2x

4x+−5/2=6

Step 3: Add 5/2 to both sides.

4x+−5/2+5/2=6+5/2

4x=17/2

Step 4: Divide both sides by 4.

4x/4=17/2/4

x=17/8

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lakkis [162]

Answer:

the answer is B (2,1)

Step-by-step explanation:

Given the simultaneous equation

$2x+3y=7 .....1\\x+y=3 ..........2\\$

Using substitution method

from equation 2 :

$x=3-y ....3$

Substitute equation 3 into 1:

$2(3-y)+3y=7$

Open the bracket

$2(3)-2y+3y=7\\6-2y+3y=7\\6+y=7\\y=7-6\\y=1$

Substitute y=1 into x=3-y

$x=3-1\\x=2$

Hence the solution to the equation is (2,1)

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