MATHEMATICS MIDDLE SCHOOL

Given the equation y = 2x - 1 and the points (1, 1), (3, 5), (7, 13) show that the slope is the same between these points. A:slope is 2

B:slope is 1

C:slope is -1

D:slope is -2

Answers

Answer 1
Answer: slope is -1
answer c

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What is 55% of 200
please help me answer this

Answers

55% of 200=110.  This is the answer.  I hope this helped you a lot it look like you really needed it!!
When you often tried to find an amount of a percent of a certain number, you need to multiply the percent with the total then divide by a 100, there is still others way other than this, but this all I know, take 55 times 200 you got 110, that the answer

Please help!!!!!!!!!!!!1) You have $20 in savings at the bank.Each week,you add $2 to your savings Let y represent the total amount of money you have saved at the end of x weeks.Write an equation to represent this situation, and identify the slope of the equation. What does that number represent?(aka interpret the slope)


Show ALL work!!!!!!!!!!!!!!!!!!! please help

Answers

x-weeks\ny-total\ money\n2x-saving\ every\ week\n\n\boxed{y=2x+20}
so at first you have 20
so 
y= money saved so
so each week times 2 +20 =total because
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y=2x+20 
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(slope intercept form=y=mx+b where m=slope)

a photo masured 15cm by 10cm andbis put in a frame that measures 25cm by 20cm calculate the are of the space between the photograph and the frame

Answers

The frame is 25x20cm, meaning hat it has an area of 500. The photo is 15x10, meaning it has an area of 150. Therefore, if you subtract the areas (500-150) you get an area between the photograph of 350 cm squared.

out of 18 people in the glee club, 11 have dogs and 7 have cats. four people have both cats and dogs. how many club members have only cats?

Answers

Ans.\ 3\ people\ have\ only\ cats
3 people because 7 minus the 4 people who have both is 3

Let r>0 -π<θ<π be real. Calculate all the values ofRe( (ln(z))/(z))

where z=r(cos(\theta)+sin(\theta)).

Answers

For a real z, ln(z)/z is always a real number, so the Re() is quite useless.

Thus we just need to write ln(z)/z=ln(r)+ln(\cos(\theta)+\sin(\theta)), and we can't simplify any more.

The temperature in the morning was 3°F the temperature dropped 11° by night what was the temperature at night

Answers

Answer:

Temperature at night was -8°F

Step-by-step explanation:

Since the temperature in the morning was 3°F and it dropped that means reduced by 11° at night,

Then the temperature at night was

(3° - 11°) F = -8°F
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