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Alex_Xolod [135]
2 years ago
11

Given two points (3,7) (1,-1)

Mathematics
1 answer:
Debora [2.8K]2 years ago
4 0

Answer:

what do we do with them?

Step-by-step explanation:

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PLEASE HELP ME I NEED HELP RIGHT AWAY!!!
Jobisdone [24]

Answer:

There are 40 books total

Step-by-step explanation:

you need to set a proportion

The first fraction is 55/100 it's over 100 because it's percent

the other fraction is 22/x the 22 is out of a total number so that's why it's on top and x because you don't know the total number of books

then you multiply diagonally

55×x= 22×100

55x=2,200

Then you solve it like a regular equation by dividing both sides by 55

x=40

4 0
2 years ago
Read 2 more answers
8^2+4−12 how do I factor this out.
lara [203]
8^2=8x8=16 then you add 4 and subtract 12 which will get you 56. correct me if i’m wrong.
6 0
3 years ago
PLEASE SHOW FULL SOLUTIONS !!!!! WILL MARK BRAINLIEST FOR THE BEST ANSWER. THANK YOU AND GOD BLESS.
zhenek [66]

Answer:

a = 8

b ≠ 18

Step-by-step explanation:

y = 4x - 7

2y = ax + b

For there to be no solution, the lines (if graphed) should be parallel meaning that their slopes are equal but the y-intercepts are different

y = mx +b is the equation of a line where m is the slope and b is the y-intercept

Multiply the first equation by 2

2y = 8x - 14

2y = ax + b

So a has to equal 8

b can be anything except 14 (otherwise the lines would be the same)

4 0
2 years ago
Read 2 more answers
A thermometer reading 7 °C is brought into a room with a constant temperature of 34°C. If the thermometer reads 14 °C after 4 ​m
never [62]
For this case we are going to define the following variable:
 x: time in minutes
 We write the linear function that represents the problem:
 t (x) = (14/4) x + 7
 For x = 6 we have:
 t (6) = (14/4) * (6) + 7
 t (6) = 28 ° C
 For x = 11 we have:
 t (11) = (14/4) * (11) + 7
 t (11) = 45.5 ° C
 Answer:
 
t (6) = 28 ° C
 
t (11) = 45.5 ° C
6 0
3 years ago
Simplify 6^3/6^2<br> A. 6<br> B. 1 1/2<br> C. 18<br> D. 256
MaRussiya [10]
The answer would be (A) 6
8 0
3 years ago
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