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Alex787 [66]
2 years ago
7

Evaluate. x-y/7 for x= 18 and y=4 x-y/7= __ ​(Simplify your​ answer.)

Mathematics
1 answer:
Alik [6]2 years ago
7 0
First I plug everything in so 18-4/7
then I solve the first part of the equation 18-4= 14
then I solve the second part which would be 14/7= 2
so your answer is 2
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Find y into the nearest hundredth place
vichka [17]

Answer:

12.43ft

Step-by-step explanation:

 From the given diagram, we simply apply the sin rule

According to the sine rule

=

   y is the side y

    y° = (90 - 43) = 47

    z = 17

    z° = 90

Input the parameters and solve;

            \frac{y}{sin 47}  = \frac{17}{sin 90}

       ysin 90 = 17 sin 47

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6 0
3 years ago
Graph the linear inequality. <br><br> x + 2y = 5
choli [55]
So you always want y in front of the equation no matter what so you have x +2y=5 so you take the x and you subtract it to both side making it 2y= 5-x so then you just have to take the 2 to both side so you have to divide it and you will get y= 5/2-x/2 so then to graph it you start with the b which is -x/2 so you go down -1 and over 2 and place your dot adn then go up 5 over 2 and then place you dot and connect them together

5 0
3 years ago
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200 divided by 54 times 15 times 6 equals?
svetoff [14.1K]
200 divided by 54 times 15 times 6 equals 333.3333
3 0
3 years ago
Solve (-8) to the second power
labwork [276]

Answer:

64

Step-by-step explanation:

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3 0
2 years ago
Read 2 more answers
Please help !! i need to know how to solve it.
Vera_Pavlovna [14]

We can determine the value of the adult ticket cost and student ticket cost by following these steps:

1. solve form one of the variables from one of the equations

Let's solve for a from 2a + 2s = 40

2a + 2s = 40

2a + 2s - 2s = 40 - 2s

2a = 40 - 2s

2a/2 = 40/2 - 2s/2

a = 20 - s

2. Replace the expression found and solve for s

4a + 5s = 87

4(20 - s) + 5s = 87

4×20 - 4×s + 5s = 87

80 - 4s + 5s = 87

80 + s = 87

80 - 80 + s = 87 - 80

s = 7

3. Replace 7 for s into a = 20 - s

a = 20 - 7

a = 13

Then, a = 13 and s = 7.

Then the adult ticket cost is $13 and the student ticket cost is $7

3 0
1 year ago
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