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3 years ago

5x2= wat??? i really didnt get this in class and really need help

Mathematics

2 answers:

otez555 [7]3 years ago

8 0

Answer:

Step-by-step explanation:

5 x 2 = 10

Let's put it this way. 5 two times. 5 and 5. 5 + 5

Add them. you get 10.

frozen [14]3 years ago

4 0

Answer:

10, bro if you in college like the question says i feel bad for you. other wise you in 2nd grade.

Step-by-step explanation:

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When lava is expelled from a volcano, it temperature may vary from 700 degrees Celsius to 1200 degrees Celsius. Write an absolut

ValentinkaMS [17]

Answer:

Ix - 950°C I ≤ 250°C

Step-by-step explanation:

We are told that the temperature may vary from 700 degrees Celsius to 1200 degrees Celsius.

And that this temperature is x.

This means that the minimum value of x is 700°C while maximum of x is 1200 °C

Let's find the average of the two temperature limits given:

x_avg = (700 + 1200)/2 =

x_avg = 1900/2

x_avg = 950 °C

Now let's find the distance between the average and either maximum or minimum.

d_avg = (1200 - 700)/2

d_avg = 500/2

d_avg = 250°C.

Now absolute value equation will be in the form of;

Ix - x_avgI ≤ d_avg

Thus;

Ix - 950°C I ≤ 250°C

3 0

3 years ago

Which equation represents a proportional relationship?

Verizon [17]

y = 3 x equation represents a proportional relationship.

Answer: Option B

<u>Step-by-step explanation:</u>

A proportional variation represents a relationship between two variables x and y. It can be expressed in the form y=k x. Here, the ‘k’, the proportionality constant is equal to the slope m and the line goes through the origin

case A) $y=2\left(x+\frac{1}{3}\right)$

A linear equation that not passes through the origin and so not proportional variation

case B) y= 3 x

Is a linear equation but passes through the origin and so proportional variation

case C) y = - 3x+2

A linear equation that not passes through the origin and so not proportional variation

case D) $\text { D) } y=\frac{1}{2 x}$

An inverse variation equation but not passes through the origin and so not proportional variation.

From these, equation option B is the proportion equation because in these equations, there is no addition and subtraction of any constant number. That’s why both these equations become proportional equations.

5 0

3 years ago

Read 2 more answers

Explain why the sum of two rational numbers is always rational. To earn full credit, you must provide an expression or example A

scoundrel [369]

So, adding two rationals is the same as adding two such fractions, which will result in another fraction of this same form since integers are closed under addition and multiplication. Thus, adding two rational numbers produces another rational number.

a/b and c/d are rational numbers with a,b,c,d intergers

so with the same denominators ( equaling a+c over b) or different ones (equaling ab+cb over bd) they end up with the answers of

same denominator= b is not equal to 0
different denominators= d is not equal to 0

this may not make sense but i'm pretty sure i understood you right

3 0

3 years ago

Craig wants to prove that if quadrilateral ABCD has diagnols that biscet each other then it is a parallelogram

Novosadov [1.4K]

Solution :

Consider quadrilateral ABCD is a parallelogram. The parallelogram have diagonals AC and DB.

So in the given quadrilateral ABCD, let the diagonal AC and diagonal DB intersects at a point E.

Thus in the quadrilateral ABCD we see that :

1. AC and DB are the diagonals of quadrilateral ABCD.

2. Angle DCE is congruent to angle BAE and angle CDE is congruent to angle ABE. (they are alternate interior angles)

3. Line DC is congruent to line AB. (opposites sides are congruent in a parallelogram )

4. Angle ABE is congruent to angle CDE. (Angle side angle)

5. Line AE is congruent to line EC. And line DE is congruent to line EB. (CPCTC)

Thus we see that if the diagonals of a $\text{quadrilateral bisects each other}$ , then the quadrilateral is a parallelogram.

7 0

3 years ago

Hardest math question ever

ohaa [14]

You can name planes by one letter or using three points belonging to it that are <u>not</u> on the same line.

Another name for plane X could be:

Plane ABF, Plane BCF or Plane ACF. You may also get different names by reordering the three letters.

Coplanar means 'on the same plane'.

The points on the same plane as point A are:

B, C and F.

Collinear means 'on the same line'.

Other points on the same line as point C are:

A or B.

The line that intersects ED is:

AC, it can be also named AB or BC.

5 0

1 year ago