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lara31 [8.8K]
2 years ago
7

Help me please 2 minutes for class to start

Mathematics
1 answer:
aleksandr82 [10.1K]2 years ago
6 0

From c=b-5

Independent variable is b, the number of cookies in the jar before your visit

Dependent variable is c, the number of cookies remaining in jar

Any questions please just ask. Thanks!

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Someone please help me in math
Helga [31]
I just solved it and I'm pretty sure its only one solution, I took the bottom equation multiplied it by -3 then i canceled out the equations and got 9. So that would make it C.
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ANSWER PLEASE 40 POINTS!
tangare [24]

Answer: |10 - (-8)|  

The absolute value is 18

Step-by-step explanation:

The distance between two numbers is a subtraction equation.

10 - (-8)  Subtracting a negative is like adding a positive

10 + 8 = 18

If you look at it as the first negative sign means -1 multiplied by the next negative number, "Remember that a negative times a negative is a positive!"

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The straight line ℓ is perpendicular to the line y + 2x = 9 and passes through the point p(4, 3). find the x-intercept of ℓ.
evablogger [386]
The slope of the line l is the opposite reciprocal of y+2x=9. Rearranged the equation to y=9-2x and we get a slope of -2. The opposite reciprocal of -2 is 1/2.

y-y=m(x-x)
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y=.5x+1

At the x-intercept, y=0, so
0=.5x+1
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x=-2
8 0
3 years ago
A door has an area of 21 square feet. It is 7 feet tall. How wide is the door?
Sati [7]

Answer:

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The length if Sally's garden is 4 meters greater than 3 times the width. The perimeter of her garden is 72 meters. Find the dime
ololo11 [35]

Answer: So lets say that the width is w. The length(L) is 4 meters greater than 3 times the width. 3 times the width would be 3w, and then 4 meters greater than that would be 3w+4. You have two widths and two lengths to a rectangle that must add up to equal 72. So 2w + 2L =72. But remember that one L equals 3w+4

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w=8

L=3w+4

L=3(8)+4

L=24+4

L=28

So the dimensions are 8 meters by 28 meters

To check 2(8)+2(28)=72

6 0
3 years ago
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