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Flauer [41]
3 years ago
14

What is 1(-1) + 1(-1) +4 =?

Mathematics
2 answers:
RideAnS [48]3 years ago
7 0
Hopefully this helps you understand
-Dominant- [34]3 years ago
5 0

Answer:

2

Step-by-step explanation

1 times -1 is -1. -1 + -1=-2. -2+-4= 2

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I’m confused nd stuck
andreev551 [17]

Answer:

B. (4,2)

Step-by-step explanation:

The answer is where the lines intersect.

Hope this helps!

If not, I am sorry.

6 0
2 years ago
Read 2 more answers
Solve the inequality and graph the solution set on a number line. Express the solution set in both​ set-builder and interval not
shusha [124]
<span>-8 < x -3 < 1
we have two inequations: 
* -8<x-3 and -8+3<x-3+3 or -5 < x or x>-5
*  x-3<1 or x-3+3<1+3 and we have x<4
For all cases we have -5<x<4
or </span><span>interval notations: x</span>∈(-5;4)
have fun
8 0
3 years ago
Christopher read 4 books in 2 months. What was his rate of reading in books per<br> month?
dangina [55]
Christopher read 2 books each month which mean 4 books in 2 months
8 0
3 years ago
What must be true in order for P (A or B) = P(A) + P (B)?
snow_tiger [21]
For the equation to be true, the events A and B must be mutually exclusive.
6 0
3 years ago
Read 2 more answers
Here are two rectangles.
Sophie [7]

Answer:

AB=9.5\ cm

Step-by-step explanation:

step 1

Find the length side PQ

we know that

The area of rectangle PQRS is given by

A=(PQ)(QR)

A=66\ cm^2

so

66=(PQ)(QR)

substitute the value of QR

66=(PQ)(12)

solve for PQ

PQ=66/12\\PQ=5.5\ cm

step 2

Find the length side AB

we know that

The perimeter of rectangle ABCD is given by

P=2(AB+BC)

we have

P=30\ cm\\BC=PQ=5.5\ cm

substitute

30=2(AB+5.5)

solve for AB

15=AB+5.5\\AB=15-5.5\\AB=9.5\ cm

6 0
3 years ago
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