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Ganezh [65]
2 years ago
7

Help me please and thank you!!!:)

Mathematics
1 answer:
kiruha [24]2 years ago
5 0

Answer:

Number two is flipped on an invisible x-axis down the center of the figure, and number 3, going from one, is rotated 90 degrees counterclockwise. Number 3 coming from number 2 is flipped on the x-axis to undo it the rotated 90 degrees counterclockwise.

Do you understand these terms or do I need to simplify?

Hope this helps!;)

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Solve the system of equations by using substitution.<br> x+8y=-2<br> x-3y=20
zysi [14]

Answer:

(14, -2)

Step-by-step explanation:

To solve by using substitution, begin by solving for a variable in the first equation. Let's solve for x:

x+8y=-2\\x=-2-8y

Now we know what <em>x</em> equals. Let's substitute this into the second equation:

x-3y=20\\(-2-8y)-3y=20

We can then simplify:

-2-8y-3y=20 Given equation

-2-11y=20 Combine y terms

-11y=22 Add 2

y=-2 Divide by -11

So, we now know the value of y = -2.

To find the value of X, we can substitute the value of Y into one of the equations. Let's use the first one:

x+8y=-2

x+8(-2)=-2 Substitute for y

x-16=-2 Distribute 8

x=14 Add 16

So, we now know the value of x = 14.

Therefore, we know a solution to the system of equations is (14, -2).

4 0
3 years ago
Jemina has 4 dogs, 8 cats and 12 fish as pets at her house.
eduard

Answer:

8:16

Step-by-step explanation:

6 0
2 years ago
8700,4 - 68,57 = ??????<br><br><br> Pls Help!
saul85 [17]

Answer:

8631.83

80074

 6857

8631.83

If you need help, don't hesitate to ask.

I'm here and ready to respond to the hardest questions.

May I please have brainliest?

Have a great day!!!!

6 0
2 years ago
Read 2 more answers
Please Help . Will Brainliest someone
rjkz [21]
The answer to this question is C
6 0
2 years ago
Read 2 more answers
A manager must select three coders from her group to write three different software projects. There are 7 junior and 3 senior co
gavmur [86]

Answer:

The total number of ways are 168.

Step-by-step explanation:

Consider the provided information.

There are 7 junior and 3 senior coders in her group.

The first project can be written by any of the coders. The second project must be written by a senior person and the third project must be written by a junior person.

For second project we have 3 choices and for third project we have 7 choices.

Now there are 2 possible case:

Case I: If first and second coder is senior, then the total number of ways are:

3\times 2\times 7=42

Case II: If first and third coder is junior, then the total number of ways are:

7\times 3\times 6=126

Hence, the total number of ways are: 42+126=168

6 0
3 years ago
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