Armstrong High School decided to purchase 30 lab coats. One lab coat regularly costs $18.50. If a 15% discount is given on the total purchase, how much will the lab coats cost?

Answer:

No, A is

Step-by-step explanation:

You can tell by plugging in the numbers. 0 - 3(0) < 1 as 0 < 1.

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Explanation:

Let's check if choice C is the answer or not

We will plug in x = -2 and y = 1 into the inequality to get

y - 3x < 1

1 - 3(-2) < 1

1 + 6 < 1

7 < 1

That's a false statement since 7 is not smaller than 1. This means the first inequality is false when (x,y) = (-2,1). So we can rule out choice C. Choices B and D are similar stories.

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It turns out that choice A is the answer because

y - 3x < 1

0 - 3(0) < 1

0 - 0 < 1

0 < 1

Which is a true statement. So (x,y) = (0,0) is one solution to this inequality.

I'll let you check the other answer choices. You should find them to be false

Answer:

The system of linear equations that could be used to find the length and width of the rectangle will be:

l = 2w + 3 cm  

2w + 2l = 66

Hence, option D is correct.

Step-by-step explanation:

Let the width of the rectangle be = w cm

Given that the length, l, of a rectangle is 3 cm longer than twice the width, w.

Thus, the length of the rectangle be:

l = 2w + 3 cm  

We know that the perimeter of the rectangle is:

P = 2w + 2l

Given that the perimeter of the rectangle = P = 66 cm

so substitute P = 66 in P = 2w + 2l

P = 2w + 2l

66 = 2w + 2l

Therefore, the system of linear equations that could be used to find the length and width of the rectangle will be:

l = 2w + 3 cm  

2w + 2l = 66

Hence, option D is correct.

Answer:

x=31

Step-by-step explanation:

that is an example of suplementary angles meaning that they will add up to equal 180

180-149=31

x=31

Answer:

5/x subscript 2

Step-by-step explanation:

Answer:

x = -4, 4

Step-by-step explanation:

Given graph in the attachment represents the function y = f(x)

Real solutions of the function means all the points where the curve of the graph either touches or crosses the x-axis.

Since, graph of the function touches and crosses at x = -4 and x = 4

Therefore, all real solutions of the function are x = -4 and x = 4

Answer:

X=0

y=2

therefore,

y=1x+2

2=1*0+2

2=2

Answer:

361 requi

282772827676666777766666

Given:

The graph of a proportional relationship contains the point (8,4).

To find:

The corresponding equation.

Solution:

If y in directly proportional to x, then

[tex]y\propto x[/tex]

[tex]y=kx[/tex]        ...(i)

Where, k is the constant of proportionality.

The graph of a proportional relationship contains the point (8,4).

Putting x=8 and y=4 in (i), we get

[tex]4=k(8)[/tex]

[tex]\dfrac{4}{8}=k[/tex]

[tex]\dfrac{1}{2}=k[/tex]

Putting [tex]k=\dfrac{1}{2}[/tex] in (i), we get

[tex]y=\dfrac{1}{2}x[/tex]

Therefore, the required equation is [tex]y=\dfrac{1}{2}x[/tex].

Answer:

It's mainly about the circle of life

Step-by-step explanation:

Answer:

A

Step-by-step explanation: i just took the test and made a 100

Answer:

210 people

Step-by-step explanation:

so we know that the number of employees in 2005 is (50)3= 150

so taking 14/10* 150= we get 14*15= 210 people

Answer:

Least to greatest?????

Answer:

$0.3 per ounce.

Step-by-step explanation:

5.19/16.8=0.3

Answer:

1 / 46

Step-by-step explanation:

P(R, R) = [tex]\frac{4}{24}[/tex] · [tex]\frac{3}{23}[/tex] = [tex]\frac{1}{46}[/tex] (simplified form)

Answer:

10 and 30

Step-by-step explanation:

20-10= 10

20+10= 30

Answer:

30 and 10

Step-by-step explanation:

BRAINLIEST PLEASE

Answer:

I think the answer is 1/5

Step-by-step explanation:

Add up the total number of jellybeans, 20 + 45 + 30 + 5 = 100.  

Divide the number of watermelon jellybeans by the total: 20/100 and reduce the fraction to 1/5.

Hope this help you! :)

Answer:

65558 карочедавай ×××××××

Answer:

-3.3

Step-by-step explanation: your welcome!(:

Answer:

1. 35

2. 50

Step-by-step explanation:

Mulitply 7 by 5 and you'll see what they divided by

and just divide 3,500 by 7

Step-by-step explanation:

and one of these day I must get straigh and drip all over you

Answer:

another person already got this, but operation

Step-by-step explanation:

Answer:

∠ P = 40°

Step-by-step explanation:

Since PQ = PR then the triangle is isosceles and the base angles are congruent, then

∠ R = ∠ Q = 70° , so

∠ P = 180° - (70 + 70)° ← sum of angles in triangle is 180°

∠ P = 180° - 140° = 40°

Answer:

1) Slope: 3; y-intercept: -7

2) Slope: 2/3; y-intercept: 1

Step-by-step explanation:

y = mx + b; m is slope and b is y-intercept

1. y = 3x - 7

The equation is already in slope-intercept form, so you can find the slope and intercept.

Slope: 3

y-intercept: -7

2. y - 1 = 2/3x

For this one, you have to convert this into slope-intercept form (solving for y)

y - 1 = 2/3x

Add 1 to both sides

y - 1 + 1 = 2/3x + 1

y = 2/3x + 1

Now that the equation is in slope-intercept form, you can get the slope and y-intercept.

Slope: 2/3

y-intercept: 1

Answer:

a triangle;

Three faces of the cube meet to form the vertex, so the cross section is a two-dimensional figure with three sides

Step-by-step explanation:

Answer:

832+609+5430=6871

Step-by-step explanation:

Answer:

2, 4, 8, 16 , 32, 64

The sequence has a factor of 2 between each number . Each term ( except the first term) is found by multiplying the previous term by 2

I hope it helps

Answer: x=12

Step-by-step explanation:

1/3 x -4

1/3x=4               <---- First add 4 to each side of the equation (moves the "-4")

1/3x(3)=4(3)     <---- Muliply each side by "3" to get rid of the fraction

x=12

Answer:

I think it is -3,-2.......

Answer:

C ) w > 3.2

C ) w > 3.2

Step-by-step explanation:

Because 3.2 times 4 is 12.8.

3.2

+3.2

6.4

+3.2

9.6

+3.2

12.8

Answer:

Step-by-step explanation: