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2 years ago

What does a semicolon in math mean

Mathematics

1 answer:

Virty [35]2 years ago

5 0

A semicolon is used to separate variables from parameters. that we are defining a function of the parameters that returns a function of the variables.

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Will give brainliest for right answer!

Annette [7]

This is a system of equations. We solve it by setting it up so that when we add the two equations together, one of the variables will cancel out. We can do this by multiplying the bottom equation by 3. This will make our system of equations equal:

3a + b + 225
-3a + 3b = 75

Now we add these two equations together, because the a terms will cancel out.

4b = 300.

We can find what b is by dividing both sides by 4.

b = 75

Next, we plug in b in one of the equations and solve for a. You can use either equation, but I will use the second.

75 - a = 25

Subtract 25 from both sides and add a to both sides:

a = 50

So, the first option is correct. A = 50 and b = 75.

8 0

2 years ago

Solve for x. Please help me.

mr_godi [17]

X=15 this is because 45+15 is equal to 60 and is equal to 4x so 4x=60 divide both sides by 4 to get x and you get x is equal to 15

6 0

2 years ago

Read 2 more answers

Jack is a professional weightlifter. his personal lifting record was 125.8kg. at a weightlifting competition, he broke his own r

Softa [21]

Answer:

126.34kg

Step-by-step explanation:

125.8+0.54=126.34kg

Convert 540 grams to kilograms` 0.54 kilograms, and add to the previous record

5 0

2 years ago

A graph Includes the ordered pair (2,4). Write two different rules that would be possible for this graph. Explain how you found

Vanyuwa [196]

We know that
An ordered pair is used to locate a point on a coordinate grid.
The first number in an ordered pair is the x-coordinate, and the second number in an ordered pair is the y-coordinate.

In this problem, the ordered pair is
$(2,4)$
so
the x-coordinate is equal to $2$
the y-coordinate is equal to $4$

therefore

Rule N 1
The y-value is $2$ times the x-value

Rule N 2
The y-value is $2$ greater than the x-value

Both are possible because their solutions include the ordered pair listed

4 0

2 years ago

Read 2 more answers

Solve for g.<br>-3 + 5 + 69 = 11 - 3g

gogolik [260]

Answer:

OKI....

Step-by-step explanation:

Sooooo......add the numbers:

it equals 71

if you take 11-3g= 8

making g ____ times 3= 8

g= 2.5

(71+g)=8

Wait im not sure......... check my work for me

5 0

2 years ago