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Hoochie [10]
2 years ago
10

Help pls solve the systems of equations x-y=9 and -9x- 3y = 39

Mathematics
1 answer:
beks73 [17]2 years ago
5 0
The correct answers are Y= -10 X= -1
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Math help pls i don’t understand how to solve this
pochemuha
<h3>Answer:    y = x+1</h3>

===================================================

Explanation:

f(x) = x^3 - 2x + 3

f ' (x) = 3x^2 - 2 ..... apply the power rule

f ' (1) = 3(1)^2 - 2 ... plug in x coordinate of given point

f ' (1) = 1

If x = 1 is plugged into the derivative function, then we get the output 1. This means the slope of the tangent line at (1,2) is m = 1. It's just a coincidence that the x input value is the same as the slope m value.

Now apply point slope form to find the equation of the tangent line

y - y1 = m(x - x1)

y - 2 = 1(x - 1)

y - 2 = x - 1

y = x - 1 + 2

y = x + 1   is the equation of the tangent line.

The graph is shown below. I used GeoGebra to make the graph.

4 0
3 years ago
Alexis bought 2 bags of apples for the fruit salad for her party. Each bag contained 13 apples. If she cuts each apple into 8 pi
Lerok [7]

Answer:

13*8=104

104*2=

<em>208</em>

Step-by-step explanation:

4 0
2 years ago
If a piece of ribbon is 6 and 1 over 4. feet long, how long is it in inches?
timama [110]
The piece of ribbon would be 75 inches. The ribbon would be 75 inches because 1 foot would be 12 inches and you would multiply 12 by 6 to get 72. Then, 1/4 of a foot would be 3 inches because you could divide 12 and 4(the denominator you are dealing with) to get 3. Then, add 72 + 3 to get 75. Hope this helps!
5 0
3 years ago
4. What's the least common multiple of each group of numbers?
mina [271]

Answer:

D. 2,5, and 6

Step-by-step explanation:

Because if u mutiply 2*5 = 10 and 2*6 is 12 as 5*6 is 30 and 2*9 is 18 .

8 0
3 years ago
Please help!!!
Monica [59]

50 1/2 <u>divided by</u> 1/4 = 202

A farm was selling 50 1/2 apples to 2 families in need of some food. 1 family got half of what the 2nd family got.

50 1/2 <u>multiplied by</u> 1/4 = 12.625

The first number (50 1/2) is 202 times greater than the second number (1/4)

Hope this helps! :'(

I tried my best. I'm not good at math.

7 0
2 years ago
Read 2 more answers
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