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ratelena [41]
3 years ago
11

Please help with this!

Mathematics
1 answer:
shepuryov [24]3 years ago
7 0

9514 1404 393

Answer:

  -11

Step-by-step explanation:

DeYanna's cards are ...

  black: 2, 4, for a total value of 2+4 = 6

  red: 7, 10, for a total value of -(7+10) = -17

Then the total value of DeYanna's cards is ...

  6-17 = -11

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Veronica found the number of lines of symmetry for the diamond shape. How many lines of symmetry does it have?
elena55 [62]
2 because you can evenly split it in half 2 different ways
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3 years ago
What is the I-value of the solution of the system of equatIons <br> x + 3y = 13 and 3x - y = –11?
Marrrta [24]

Answer:x=1,y=

Step-by-step explanation:Here's one of many ways of solving this system. Since we are already told that

x

=

y

−

3

from the first equation, just plug in

y

−

3

everywhere you see an

x

in the second equation.

So the second equation becomes

(

y

−

3

)

+

3

y

=

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. Solve this for

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to get

y

=

4

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Then, go back to the first equation that says

x

=

y

−

3

and plug in

y

=

4

. So

x

=

1

.

Check your work by plugging in the values.

1

=

4

−

3

and

1

+

3

(

4

)

=

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, so we are right.

3 0
3 years ago
Graph the inverse function of f(x) = 2x + 4.​
motikmotik

Answer:

Step-by-step explanation:

7 0
3 years ago
F + 1/4 = - 7/2 <br><br> Solve for f
nadya68 [22]

Answer:

f = -15/4

Step-by-step explanation:

f + 1/4 = -7/2

  - 1/4     -1/4

f          = -15/4

Feel free to ask me any questions in the comments!

7 0
3 years ago
Read 2 more answers
Please help me solve. x-(-16)=44 i know the answer i just need the work
Marat540 [252]

x+16=44

x=44-16

x=28

That is the answer

6 0
3 years ago
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