3 years ago

-4-7=? I dont really understand

1 answer:

5 0

-4 + -7= -11

When adding negative numbers if the are both negative then you add them. When you have a negative and a positive you subtract. In this problem they just took out the plus sign.

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Please help 8th grade math

wariber [46]

Answer:

$n \geq -\frac{-29}{28}$

Step-by-step explanation:

$-3(1 - 7n) \geq -32 - 8n\\-3 + 21n \geq -32 -8n\\$

+8n +8n

$-3 + 28n \geq -32\\+3 +3\\28n \geq -29\\/28 /28\\n \geq \frac{-29}{28}$

6 0

4 years ago

Find three rational numbers between -2 and 1 ?

netineya [11]

Answer:

-19/10,-18/10,-17/10

Step-by-step explanation:

multiply the both numbers up and down by 10.

then find the numbers

5 0

3 years ago

Read 2 more answers

the legs of a scalene triangle are represented by (x+4),(x+8), and (2x - 3) which polynomial expression best represents the peri

AVprozaik [17]

perimeter means add the side

(x+4) +( x+8)+(2x-3) =P

x+x+2x+4+8-3=P

4x-9 =P

8 0

3 years ago

Read 2 more answers

So far Monica has read 56 of a book she has read the same number of pages each day for five days what fraction of the book does

alexandr1967 [171]

Answer:

14/125

Step-by-step explanation:

56 % ÷ 5 days ie 11.2% per day ie 112/1000 or 14/125

4 0

2 years ago

What are zeroes of f(x) =x^2-x-2

allochka39001 [22]

You have to factor this...
So you have started with this...

x²-x-2=0
If you factor this you will get

(x+1)(x-2)=0

This gives you two solutions...
x=-1, x=2
Hope this helps! Give me a five-rate and a thanks!

6 0

4 years ago