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galben [10]
3 years ago
7

J and M are base angles of isosceles trapezoid JKLM. If mJ = 20x + 9, and mM = 14x + 15, find mK.

Mathematics
2 answers:
Rainbow [258]3 years ago
7 0
20x + 9 = 14x + 15 
<span>6x = 6 </span>
<span>x = 1 </span>

<span> So base angles are 20 + 9 means 29 degrees. To calculate the m of  angle k, subtract 29 from 180: </span>

<span>180 - 29 = 151 degrees.
hope it helps</span>
S_A_V [24]3 years ago
6 0

Answer: 151

Step-by-step explanation:

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Allushta [10]

Answer:

Ok im  using a standered form calculator:

1. 9/7x + 1/7 = -8

2. y = -6/5x - 3 =  -11

3. y = 1/3x - 2 = -10

Step-by-step explanation:

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6 0
3 years ago
Since insulin u-100 is 100 units/mL,which of the following shortcuts can be used to convert a dose of u-100 insulin given in uni
N76 [4]

Answer:

The shortcuts is

     Divide number of units by 100

Step-by-step explanation:

From the question we are told that

  insulin u-100 is  L  =  100 \ unit /mL

 From the data given above we see that

           100 units of  insulin u-100 is contained in  1 mL

So         1 unit of  u-100 is contained in  x mL

=>       x =  \frac{1}{100} \  mL

This means that a unit of  insulin u-100 occupies  x =  \frac{1}{100} \  mL

So we can represent a single unit of insulin u-100 as  \frac{1}{100} \  mL

  Now if 1 unit of insulin u-100 is represented  as    \frac{1}{100} \  mL

Then y unites of   insulin u-100  is represented as  z

So

         z = \frac{y}{100}  \  mL

From the above calculation we can see that the shortcuts to convert  u-100 insulin given in units, to mL is to  divide  number of units by 100

                       

6 0
2 years ago
Help, please!!! This is urgent!!!!!
Wewaii [24]

Answer:

Part A: one solution:

Part B: x = 3, y = 4.

1) Part A: how many solutions does the pair of equations for lines A and B have?

The solution of a system of equations in a graph is given by the intersetion of the curves that represent the equations.

In this case, there are two straight lines, which intersect in one and only one point.

Hence, the system has one solution.

2) Part B: what is the solution to the equations of lines A and B?

The solution is the pair of coordinates of the intersection point. It is (3, 4).

Therefore, the solution is x = 3, y = 4.

Step-by-step explanation:

MRK ME BRAINLIEST PPLLZZZZZZZZZZZZZZZZZZZ

5 0
3 years ago
A car traveling at a speed of 63 kilometers per hour. What is the car’s speed in meters per second? How many meters will the car
dezoksy [38]

Answer:

Speed = 1050 meters per seconds

Distance =10500 meters

Step-by-step explanation:

Car traveling at a speed of 63 kilometers per hour

Let us convert this into meter per second

Speed = \frac{63 }{1}  kilometers per hour

Speed = \frac{63 \ kilometers }{1 \ hour}  --------(A)

1 kilometer = 1000 meters

1 hours = 3600 seconds

Replacing them  in (A)

Speed = \frac{63 \times 1000 \ meters }{1 \times 60 \ seconds}

Speed = \frac{63 \times 1000}{1 \times 60} meters per seconds

Speed = \frac{63000}{60} meters per seconds

Speed = 1050 meters per seconds

Distance = speed x time

Speed = 1050 mt per sec

time = 10 sec

Distance = 1050 x 10 = 10500 meters

5 0
3 years ago
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