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stiks02 [169]
2 years ago
14

Label the vertices and all the elements needed. Find x. Give reasons!

Mathematics
1 answer:
never [62]2 years ago
7 0

Answer:

Step-by-step explanation:

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2x – 6y = 5
Juli2301 [7.4K]

Answer:

The answer to your question is This system of equations can not be solved. They do not cross.

Step-by-step explanation:

                               2x - 6y = 5             ----- (I)

                                 x - 3y = -12           ----- (II)

I.- Solve equation II for x

                                x = 3y - 12             ------ (III)

2.- Substitute equation III on equation I

                            2(3y - 12) - 6y = 5

3.- Expand

                            6y - 24 - 6y = 5

                            6y - 6y = 5 + 24

                                    0 = 29

This system of equations can not be solved.

5 0
4 years ago
20% of __ = 18 Please help me Thank you Sooo Much
IgorLugansk [536]

Answer: 20% of 90 = 18

6 0
3 years ago
Read 2 more answers
(b) Expand (4 + x)½ up to the forth term using the binomial expansion​
Serga [27]

Answer:

2±1\2x

Step-by-step explanation:

[4±x]1\2

we will start by opening the brackets

[4]1\2=2

[x]1\2=1\2x

2±1\2x

hope am right

4 0
3 years ago
Write 14 more then a number (pre algebra)
notka56 [123]

Answer:

14>4

Step-by-step explanation:

If we read this it literally says 14 is greater than 4. We always read left to right so if it was 14<4 it would be 14 is less than 4, which we know isn't true but just for an example.

6 0
3 years ago
Sometimes you can use the distributive property to expand an expression.
german

Given:

After expanding -3(5-x) we get an equivalent expression -15+3x.

The given expression is -4(-a+2).

To find:

The equivalent expression by using distributive property.

Solution:

According to the distributive property of multiplication over addition, if a, b, c are real values, then

a(b+c)=ab+ac

We have,

-4(-a+2)

Using distributive property of multiplication over addition, we get

-4(-a+2)=(-4)(-a)+(-4)(2)

-4(-a+2)=4a+(-8)

-4(-a+2)=4a-8

Therefore, the expression 4a-8 is equivalence to -4(-a+2).

3 0
3 years ago
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