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sukhopar [10]
3 years ago
11

HELP PLEASE I NEED IT BY TOMORROW!!! WORTH 50 points

Mathematics
2 answers:
jeka57 [31]3 years ago
8 0

Answer:

just replace minus sign with + sign

hint: -3-6

answer 3+6

Dvinal [7]3 years ago
5 0

Answer:

I hope it will help you a lot.

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Thanks for your answer​
inna [77]

I hope this helps you feel free to contact me

4 0
3 years ago
Read 2 more answers
The numbers a, b and c satisfy a+b+c = 0 and abc = 78. What is<br>the value of (a+b)(b+c)(c+a)?​
djyliett [7]

Answer:

(a+b)(b+c)(c+a)=-78

Step-by-step explanation:

We are given that the numbers a, b and c

a+b+c=0   ....(1)

abc=78    ..... (2)

We have to find the value of (a+b)(b+c)(c+a).

From equation we get

a+b=-c

b+c=-a

a+c=-b

Substitute the values then we get

(a+b)(b+c)(c+a)=(-c)(-a)(-b)

(a+b)(b+c)(c+a)=-abc

Using equation (2) we get

(a+b)(b+c)(c+a)=-78

Hence, the value of (a+b)(b+c)(c+a) is -78.

6 0
3 years ago
A truck hauled 136 cubic feet of sand to a construction site. The sand is dumped into a cone-shaped pile 6 feet in height. What
ser-zykov [4K]

18.614 because a=πh(r^2)/3 pretty sure thats the formula but the answer is correct  

8 0
4 years ago
Your gym membership costs $30 to join and $25 per month. Which equation gives the total cost, y, for a membership that lasts x m
laiz [17]
(30+ 25)+(25 x 12) = then put your answer but this is my way of doing it.
6 0
3 years ago
What is the solution to this system of linear equations?
tankabanditka [31]
The correct answer is c
6 0
4 years ago
Read 2 more answers
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