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4 years ago

(-5)+(-4) what is this answer

Mathematics

2 answers:

anzhelika [568]4 years ago

4 0

Answer:

-9

Step-by-step explanation:

Both of the numbers are negative and adding them will give you -9.

Oksana_A [137]4 years ago

4 0

-9 is the right answerrrer

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Stolb23 [73]

Caca pipipoopoo checkkkkkkkk

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4 years ago

Evaluate the following expressions: 2(−1 + 3) − 7

Svetach [21]

Answer:

-3 is the answer.

Step-by-step explanation:

=2(-1+3)-7

=2(2)-7

=4-7

=-3

Hope it will help you :)

7 0

3 years ago

Need help this work is due soon

Ksju [112]

Answer:

can you explain this so I can help you with this

6 0

3 years ago

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Tickets to a concert cost $2 for children, $3 for teenagers and $5 for adults. When 570 people attended the concert, the total t

-Dominant- [34]

Let

x--------> the number of children

y------> the number of teenagers

z------> the number of adults

we know that

$2x+3y+5z=1,950$ ------> equation A

$x+y+z=570$ -----> equation B

$y=\frac{3}{4}x$

$x=\frac{4}{3}y$ -------> equation C

Substitute equation C in equation A and equation B

$2[\frac{4}{3}y]+3y+5z=1,950$

$\frac{17}{3}y+5z=1,950$ --------> equation D

$[\frac{4}{3}y]+y+z=570$

$\frac{7}{3}y+z=570$ --------> equation E

Multiply equation E by $-5$

$-\frac{35}{3}y-5z=-2,850$ --------> equation F

Adds equation D and equation F

$\frac{17}{3}y+5z=1,950\\\\-\frac{35}{3}y-5z=-2,850\\\\---------\\\\-\frac{18}{3}y=-900\\\\y=3*900/18\\\\y=150\ teenagers$

therefore

<u>the answer is the option</u>

$150\ teenagers$

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3 years ago

Read 2 more answers

4c-7.8 Evaluate the expression if c=4

slavikrds [6]

I hope this helps you

4.4-7,8

16-7,8

8,2

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3 years ago