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wolverine [178]
3 years ago
13

How do i find the slope to (-2,8),(10.-4)

Mathematics
1 answer:
Charra [1.4K]3 years ago
6 0

Answer:

-1

Step-by-step explanation:

We can find the slope given two points

m = (y2-y1)/(x2-x1)

  =( -4 -8)/(10--2)

   = (-12)/(10+2)

     -12/12

    -1

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2.3y +7 =-11 hehebbn​
Andre45 [30]

Answer:

y=-6

Step-by-step explanation:

3y+7=-11

3y=-11-7

3y=-18

y=-18/3

y=-6

4 0
3 years ago
Jordan enters 3.4×6.8 into his calculator he writes the digit 2312 from the display and forgets the decimal point where should J
Natasha_Volkova [10]

Answer:

23.12

Step-by-step explanation:

When you multiply by the two decimals count how many places(numbers) are behind each decimal for a number and add for both of them

For Example

 3.4-> There is one place (Number) behind the decimal.

x 6.8 -> there is one place(Number) behind the decimal add how many numbers behind the decimal from both numbers                                             23.12-> since there are 2 Numbers/ places behind the decimal in the numbers multiplied you move the decimal 2 places / Numbers In the product.

5 0
1 year ago
I need help thank you!<br> (7x + 14)<br> (15x - 4)
sergey [27]

Answer:

(7x + 14)° = 84°

(15x - 4)° = 146°

Step-by-step explanation:

62° + (7x + 14)° = (15x - 4)°

62° +7x + 14 = 15x - 4

15x - 7x = 62 + 14 + 4

8x = 80

x = 10

Therefore, exterior angle (15x - 4)° = 146°

                interior angle (7x + 14)° = 84°

8 0
3 years ago
A car used 15 gallons of gasoline and traveled a total distance of 350 miles. The car's fuel efficiency is 25 miles per gallon o
stepan [7]
The equation would be letter b. 25h + 20 (15 - h) = 350
Let’s try to solve to get the value of h
=> 25h + 20(15 -h) = 350
=> 25h + (300 – 20h) = 350
=> 25h + 300 – 20h = 350
=> 300 + 5h = 350
=> 5h = 350 – 300
=> 5h / 5 = 50/ 5
=> h = 10
Thus the value of h is 10 which means a car travel on the highways and used 10 gallons of gasoline,



3 0
3 years ago
Use Green's Theorem to evaluate the line integral along the given positively oriented curve.
FromTheMoon [43]

Answer:

∫ C ( y + e√x) dx  +  ( 2x + cosy² ) dy = 1/3

Step-by-step explanation: See Annex

Green Theorem establishes:

∫C ( Mdx  +  Ndy )  = ∫∫R ( δN/dx  -  δM/dy ) dA

Then

∫ C ( y + e√x) dx  +  ( 2x + cosy² ) dy

Here

M = 2x  + cosy²           δM/dy  =  1

N = y + e√x                 δN/dx  =  2

δN/dx  -  δM/dy  =  2  -  1   = 1

∫∫(R) dxdy   ∫∫ dxdy

Now integration limits  ( see Annex)

dy  is from   x  = y²    then     y = √x    to  y = x²   and for dx

dx   is from 0   to  1 then

∫ dy    = y | √x   ;   x²      ∫dy    =  x² - √x

And

∫₀¹ ( x² - √x ) dx    =  x³/3  - 2/3 √x |₀¹    =   1/3 - 0

∫ C ( y + e√x) dx  +  ( 2x + cosy² ) dy = 1/3

5 0
3 years ago
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