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fomenos
3 years ago
8

I’ll give you Brainliest

Mathematics
2 answers:
Gnoma [55]3 years ago
5 0

Answer:

the length of JM is 11x + 40

Step-by-step explanation:

Salsk061 [2.6K]3 years ago
4 0

Answer:

JM = 9

Step-by-step explanation:

JM = MK

3x+15 = 8x+25

Subtract 3x from each side

3x -3x+15 = 8x-3x+25

15 = 5x+25

Subtract 25 from each side

15-25 = 5x+25-25

-10 =5x

Divide each side by 5

-10/5 = 5x/5

-2 = x

JM = 3x+15

     =3*-2 +15

    = -6+15

    = 9

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Please help me with this:)
dybincka [34]

Answer:

y = x - 3

Step-by-step explanation:

Linear functions can't have any exponents or square roots, so it has to be

y = x - 3

4 0
3 years ago
Read 2 more answers
Soybean mean is 14% protein; cornmeal is 7% protein. How many pounds of each should be mixed together in order to get 280-lb mix
Marianna [84]

I have to form a couple of equations in order to solve it.

let the amount of soybean in the mixture be x and that of cornmeal be y

Step-by-step explanation:

x+y = 280

y = 280 - x

x*(14/100) + y*(7/100) = 280*(12/100)

Multiplying the whole equation by 100;

14x + 7y = 3360

in this equation,put y = 280 - x

14x +7 (280-x) = 3360

14x +1960 - 7x = 3360

14x - 7x = 3360 - 1960

7x = 1400

x = 200lbs

y = 280 - x

= 280 - 200

= 80 lbs

Inorder to make a 280lbs mixture having 12% protein, we should mix 200lbs of soyabean and 80 lbs of cornmeal

8 0
3 years ago
how do i get the right hour when she runs 26. mile marathon at an average pace of 6.2 per mile. how long will take her to finish
iris [78.8K]

well, we know her rate is on average 6.2 miles per 1hr or 6.2 m/h, so how long will it be for 26 miles?

\begin{array}{ccll} miles&hrs\\ \cline{1-2} 6.2&1\\ 26&x \end{array}\implies \cfrac{6.2}{26}=\cfrac{1}{x}\implies 6.2x=26\implies x = \cfrac{26}{6.2}\implies x \approx 4.19355 \\\\\\ \textit{approximately~~~~ 4hrs 11mins and 37secs}

how did we get the minutes and seconds?  use the same rule or proportions above with hours and minutes,  4.19355, 4 + 0.19355, we know there are 60 mins per 1hr, how many in 0.19355 hrs? well, simply 60 * 19355, which gives us 11 minutes, and you can do the same thing for the seconds.

6 0
2 years ago
I need help with this plz bro. Plz
Bogdan [553]

Answer:

I only got B

Step-by-step explanation:

Put the x-values into the equation and solve for each.

7 0
3 years ago
find the volume of a right circular cone that has a height of 2.1m and a base with a diameter of 13.7m. round your answer to the
elena-14-01-66 [18.8K]

Answer:

V = 103.2 m³

Step-by-step explanation:

6 0
4 years ago
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