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Juliette [100K]
3 years ago
9

If X || Y and Y || Z, then _____ A) A || B B) X || Z C) X⊥A D) A⊥Z

Mathematics
1 answer:
iris [78.8K]3 years ago
5 0

Answer:

B) X || Z

Step-by-step explanation:

Hope it helps you in your learning process.

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Ryan gave seven of his model cars to a friend then he bought six more cars now Ryan has 13 cars how many did Ryan start with
Fed [463]
Gave away 7 ⇒ -7

Bought 6 ⇒ + 6

Left with 13

If he did not buy the 6 cars ... 
13 - 6 = 7
If he did not give the 7 cars away ...
7 + 7 = 14

He has 14 cars at first.


13 - 6
5 0
3 years ago
Solve the equation. Then check your solution.4- 3/5(3a+4)=7A. -7.4B. -6C. 3D. -3
Evgesh-ka [11]
Answer: a = -3

Explanations:

The given equation is:

4\text{ - }\frac{3}{5}(3a+4)\text{ = 7}

This can be re-written as:

4-\frac{3(3a+4)}{5}=7

Collect like terms:

\begin{gathered} -\frac{3(3a+4)}{5}=\text{ 7 - 4} \\ -\frac{3(3a+4)}{5}=\text{ 3} \end{gathered}

Cross multiply:

\begin{gathered} -3(3a+4)\text{ = 3}\times5 \\ -3(3a+4)=\text{ 15} \\ \text{Expand the bracket} \\ -9a\text{ - 12 = 15} \\ \text{Collect like terms} \\ -9a\text{ = 15 + 12} \\ -9a\text{ = 27} \\ \text{Divide both sides by -9} \\ \frac{-9a}{-9}=\frac{27}{-9} \\ a\text{ = -3} \end{gathered}

To verify if the solution is correct, substitute a = -3 into the question given. If the Right Hand Side equals the Left Hand Side, then the solution is correct.

\begin{gathered} 4-\frac{3(3a+4)}{5}=\text{ 7} \\ \text{Substitute a = }-3 \\ 4\text{ - }\frac{3(3(-3)+4)}{5}\text{ = 7} \\ 4\text{ - }\frac{3(-9+4)}{5}\text{ = 7} \\ 4\text{ - }\frac{3(-5)}{5}\text{ = 7} \\ 4\text{ - }\frac{-15}{5}=\text{ 7} \\ 4-(-3)=7 \\ 4+3=7 \\ 7=7 \end{gathered}

Since the Left Hand Side = Right Hand Side = 7, the solution a = -3 is correct

5 0
1 year ago
For the graph y = -8 find the slope of a line that is perpendicular to it and the slope of a line parallel to it. Explain your a
OLEGan [10]
Does it give you any more details?? if not it would be undefined for parallel and zero for perpendicular.<span />
8 0
3 years ago
Read 2 more answers
37,916,037,349 + 6,966,839
lubasha [3.4K]

Answer:

37923004188

Step-by-step explanation:

3 0
2 years ago
Write two (2) scenarios that describe two different real-world functions. Think of your own variables that are not included in t
yanalaym [24]
1. Ryan had 4 people coming over but each second person brought 5 different people, let X represent the number of people brought along, what is X?

2. Lexy has 456$ she gave it to four friends. Let M represent how much she gave each friend if she was left with 50$ What does X equal?
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