$\underline{+\left\{\begin{array}{ccc}y=-x-1\\y=x+1\end{array}\right}\ \ \ \ |\text{add both sides}\\\\.\ \ \ \ \ 2y=0\ \ \ |:2\\.\ \ \ \ \ y=0\\\\\text{substitute the value of y to the second equation}\\\\0=x+1\ \ \ \ |-1\\x=-1\\\\Answer:\ A.\ (-1,\ 0)$

8 0

3 years ago

Lilla read 1/5 of her book last week. This week she read 3 times as much as she read last week. B. There are 75 pages in Lilla's

likoan [24]

Answer:

15pages

Step-by-step explanation:

there are 75 pages on her book

lilla read 1/5 of her book last week=1/5*75=15pages

this week she read 3times as much as she read last week=3*15=45pages

pages left to readcan be given as;

75-(15+45)

75-60= 15pages

3 0

3 years ago

________________________________________________

ss7ja [257]

Answer:

( 50, 30 )

Step-by-step explanation:

Equal distance

5 0

2 years ago

Carpeting costs 9.99 a yard. If jan buys 17.4 yards, how much will it cost her (round your anwser to the nearest hundreth

aalyn [17]

To get the answer, multiply 9.99 x 17.4 yards. That will give you the answer 173.826. That rounds to 173.83

4 0

3 years ago