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2 years ago

The sum of a number Y and -3 is -8 what is the solution of y

Mathematics

1 answer:

Elden [556K]2 years ago

3 0

Answer:

Y = -5

Step-by-step explanation:

Y - 3 = -8

-5 - 3 = -8

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Im trying to do IXL and I dont understand the way my teacher teaches (ironic right?)

dlinn [17]

Use the formula slope= y-y/x-x
-10-r/-2-8= 1/10
-10-r/-10= 1/10
Multiply the denominator (-10) on both sides
-10-r= -1
Add -10 to both sides
-r= 9
r= -9
Hope this helps!

4 0

2 years ago

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For Joe's illness, the doctor gave him a prescription of 28 pills. He needs to take 4 pills the first day, and then 2 pills each

kiruha [24]

Answer:

12 days.

Step-by-step explanation:

I looked at it this way:

He has to take 4/28 pills the first day, so it's 28-4=24. Then I divided 24 by 2.

In simpler terms:

28-4=24

24/2

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2 years ago

Simplify the radical expression. √45 + √20 - √5

viva [34]

√45 = √9√5 = 3√5
√20 = √4√5 = 2√5

3√5+2√5-√5=4√5

answer = 4√5
:)

5 0

2 years ago

I need this answer in 30 minutes please help !! **WILL MARK THE FIRST PERSON BRAINLIEST**

Brrunno [24]

Y=-1/2x+5 slope=-1/2 because it goes down one unit and to the right 2 units, and the y intercept is 5 because that's where the line intercepts the y-axis!

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2 years ago

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Question 6 of 10

Maksim231197 [3]

Answer:

(2.5 , 3.5)

Step-by-step explanation:

We can use the midpoint formula . Here the points are , (2,2) and (3,5) .

• Using Midpoint Formula :-

⇒ M = { (x1 + x2)/2 , (y1 + y2)/2 }

⇒ M = ( 2+3/2 , 5+2/2 )

⇒ M = ( 5/2 , 7/2 )

⇒ M = ( 2.5 , 3.5 )

<h3>Hence the midpoint is (2.5 , 3.5)</h3>

6 0

2 years ago