Solve for x. x - 7 = 25

The sweater that cost more is the sweater bought in Manchester. It is more expensive by C$7.40.

The exchange rate is the price at which one currency is exchanged for another currency. For example, if the exchange rate of the pound and Canadian dollars is 1.60. It means that 1 unit of the pound would buy 1.60 of the Canadian dollars.

The first step is to convert the cost of the sweater that is priced in the British pound to Canadian dollars.

The exchange rate : 1 British pound = 1.6215 CAD

28 X 1.6215 = 45.402

Difference in price = 45.402 - 38 = C$7.402

Based on the above calculation, the sweater when converted from the British pound to the Canadian dollars, it is more expensive to buy the sweater in Manchester than it is to buy it in Canada.

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Answer:

20 laps

Step-by-step explanation:

50/2.5=20

Answer:

The minimum number of samples required is  [tex]n = 16641 [/tex]  

Step-by-step explanation:

From the question we are told that

    The variance is  [tex]\sigma^2 = 0.25[/tex]

    The margin of error is [tex]E = 0.01[/tex]

From the question we are told the confidence coefficient is  0.99 , hence the level of significance is    

      [tex]\alpha = (1 - 0.99 ) \%[/tex]

=>   [tex]\alpha = 0.01[/tex]

Generally from the normal distribution table the critical value  of  [tex]\frac{\alpha }{2}[/tex] is  

   [tex]Z_{\frac{\alpha }{2} } =  2.58[/tex]

Generally the standard deviation is

      [tex]\sigma =\sqrt{\sigma^2}[/tex]

=>   [tex]\sigma =\sqrt{0.25}[/tex]

=>   [tex]\sigma =0.5[/tex]

Generally the sample size is mathematically represented as  

    [tex]n = [\frac{Z_{\frac{\alpha }{2} } *  \sigma }{E} ] ^2[/tex]

=>      [tex]n = [\frac{2.58 } *  0.5 }{0.01 } ] ^2[/tex]

=>      [tex]n = 16641 [/tex]        

Answer:

I got 5/12 as my answer.

The absolute value of the equation will not work because the value of x would have to be negative for the perimeter to be 6 ft plus or minus 1.5 ft.

The perimeter of the rectangle is given as:

Perimeter = 2(Length + Breadth)

The perimeter of a rectangle is 6 feet plus or minus 1.5 feet.

So, we have:

Perimeter = 2(Length + Breadth) =  6 feet ± 1.5 feet.

Then  Substitute values for length and width

2(Length + Breadth) =  6 feet ± 1.5 feet.

2(4 + x) =  6 feet ± 1.5 feet.

Now,

2(4 + x) =  6 feet + 1.5 feet.

8 + 2x = 6.5 ft

2x = 6.5 - 8

x = -0.25 ft

2(4 + x) =  6 feet - 1.5 feet.

8 + 2x = 4.5 ft

2x = 4.5 - 8

x = -1.75ft

Here Both values of x are negative.

This means that the absolute value model can't work, because a rectangle cannot have a negative dimension.

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Answer:

28

Step-by-step explanation:

In this question, the units are just the number of boxes/grid-squares. So count how many boxes they have to walk between each step. You start at the top left location, and go around to all of them counting the boxes they pass.

they should all add up to 28 boxes, or 28 units!

Answer: $60,518.50

Step-by-step explanation:

864,500 x 0.07

Answer:

he received commission amount =7% of $778,095=$54466.65

Step-by-step explanation:

commission =7%

marked price=$778,095

commission amount =7% of $778,095=$54466.65

Answer:

45°

Step-by-step explanation:

x° = (180 - 135)°

   = 45°

Hope this helps

With interior alternate angles and adjacent angles concept, the value of x from the given parallel lines is 45°.

Given that, straight line m parallel to straight line n and t is the transversal.

When a transversal connects two coplanar lines, alternate interior angles are created. They are located on the transverse sides of the parallel lines, but on the inner side of the parallel lines. At two different locations, the transversal passes through the two lines that are coplanar.

Here, y=135° (Interior alternate angles are equal)

Now, y°+x°=180° (Adjacent angles on straight line)

135°+x°=180°

x°=45°

Therefore, the value of x from the given parallel lines is 45°.

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Greetings from Brasil...

Let perimeter = P

then

P = sum of the lengths of sides a, b, and c

Hence , the value of x  (production level) that will create a profit of $200 are 40 and 20.

We have given cost function C = 70x + 200 and revenue function R = 100x − 0.5x² .

It is given that profit is revenue minus cost.

P = R -C

P =  100x − 0.5x² - 70x - 200

P = 30x − 0.5x² -200         ........(1)

It is also given that it will create a profit of $200 .

Putting P = 200 in equation (1) , we get

200 =  30x − 0.5x² -200    

0.5x² - 30x + 400 = 0

Multiplying by 10 we get

5x² - 300x + 4000 = 0

Taking 5 common , we get

x² - 60x + 800 = 0

By splitting in the middle term this equation can be represented by

x² -(40+20)x +800 = 0

(x² - 40x ) - (20x-800) = 0

x(x-40) - 20( x - 40) = 0

(x - 40) (x- 20) = 0

On comparing , we get

x - 40 = 0

x = 40

and x - 20 = 0

       x = 20

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An equation that indicates how fast (velocity) the rock will be falling after 8 seconds is V = (3.7 × 8) m/s.

Given the following data:

In order to determine the velocity at which this rock would fall after 8 seconds, we would apply the first equation of motion.

Mathematically, the first equation of motion is given by this formula:

V = u + at

Where:

Substituting the given parameters into the formula, we have;

V = 0 + 3.7 × 8

V = (3.7 × 8) m/s.

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Complete Question:

The acceleration of gravity on Mars is about 3.7 meters per second squared. Suppose a rock falls from a tall cliff on Mars. Write the equation that indicates how fast the rock will be falling after 8 seconds.

Answer:

27

Step-by-step explanation:

13 + 14 = 27

Answer: -13+-14

Step-by-step explanation: the Absolute value is the opposite value of something like 24-57 the absolute value of that would be -24-(-57)

Answer:

135

Step-by-step explanation:

2 x 54 = 108 and .50 x 54 = 27 so 108 + 27 = 135

Answer:

B. 19

12,198÷642 so the final answer will be 19.

Answer:

if you convert inches to cm...

Step-by-step explanation:

9inch=22.86cm

12inch=30.48cm

V=TTr²h

TT= 3.14

V= 3.14×22.86²×30.48

V= 50014.6cm³

if you don't convert inches to cm...

V=TTr²h

V=3.14 ×9×12

V=339.12cm³

Answer:

undefine

Step-by-step explanation:

slope=2-5/3-0

-2/0

Answer:

Domain= [0, 13]

Step-by-step explanation:

Domain refers to the possible input values on the x-axis.

Answer:

the tens place

Step-by-step explanation:

just need to know long division

Answer:

In the tens place :)

Step-by-step explanation:

Hope it helps. I am also doing a semester exam and would greatly appreciate if someone would help me with this:

Answer:

Step-by-step explanation:

For #1 and #2 you already have solutions.

#3. A(2, 3), B(0, 6) and C(2,6)

A'(4, 6), B'(0, 12) and C'(4,12)

#4.

[tex]A_{ABC}[/tex] = 3 × 2 ÷ 2 = 3 units²

ΔABC ≅ ΔA'B'C' ⇒ [tex]A_{A'B'C'}[/tex] = 3 units²

Answer:

A = (Ao)(0.5^(t/t1.2))

1 = (Ao)(0.5^(20/4)) = Ao(0.03125)

Ao = 1/0.03125 = 32mg

5 weeks = 5(7) = 35 days

A = 32(0.5^(35/4)) = 32(0.0232) = 0.074mg

Step-by-step explanation:

Answer:

x = ^ y - 10/ 15

Step-by-step explanation:

Using the relation between velocity, distance and time, and supposing the group travels for 8 hours a day, it is found that:

1. You were driving 24 hours at 45 mph and 56 hours at 70 mph.

2. You drove 1080 miles at 45 mph and 3920 miles at 70 mph.

Velocity is distance divided by time, that is:

v = d/t.

For the first part, we have that:

Hence:

v = d/t

45 = d/t

d = 45t.

For the second part, we have that:

Hence:

70 = (5000 - d)/(80 - t).

d = 45t, hence:

70 = (5000 - 45t)/(240 - t).

5000 - 45t = 5600 - 70t

25t = 600.

t = 600/25

t = 24. -> (80 - 24) = 56.

d = 45t = 45 x 24 = 1080 -> (5000 - 1080) = 3920.

Hence:

1. You were driving 24 hours at 45 mph and 56 hours at 70 mph.

2. You drove 1080 miles at 45 mph and 3920 miles at 70 mph.

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In a nutshell, the domain and the range of each function are shown below:

In this problem we find a picture containing the graphs of two functions, of which we must find both the domain and the range of each expression. The domain of the function corresponds with all values from the horizontal axis such that the function exists, and range of the function with all the values from the vertical axis.

The domain and range of the first function are x ∈ [- 4, 4] and y ∈ [1, 5], respectively.

The domain and range of the second function are x ∈ [- 3, 1] and y ∈ [-5, - 1].

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Answer:

88.5

Step-by-step explanation:

75 x .18

tip= 13.5

75 + 13.5 = 88.5

The value of the resulting expression is 3

Given the following expression as shown below;

3 (22-3-7)

According to the pemdas rule, the multiplication will come first inside the parenthesis

3 (22-3-7) = 3(22 - (21))

3 (22-3-7) = 3(22- 21)

Take the difference of the expression in parenthesis

3 (22-3-7) = 3(1)

Take the product of the result

3 (22-3-7) = 3

Hence the value of the resulting expression is 3

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Answer:

4.5*10^(4)*(6.8*10^(-8)=3.06*10^-3

(2.8*10^(2)*(6.5*10^(-7)=1.82*10^-4

((5.6*10^(-3))*(7.7*10^(-9)))/((8*10^(-2))*(3.5*10^(-6)))=1.54*10^-4

then the other fraction one equals 9.45*10^-4

Step-by-step explanation:

Solving the first expression, we have:

(4.5⋅10^4)⋅(6.6⋅10^−8)

=30.6⋅10^−4

=3.06⋅10^−3

So the first expression goes into the second box.

For the second one, we have:

(2.8⋅10^2)⋅(6.5⋅10^−7)

=18.2⋅10^−5

=1.82⋅10^−4

So the second expression goes into the first box.

Put the third expression into the fourth box and the fourth expression into the third box

Answer:

0.5

Step-by-step explanation:

Answer:

0.5 quarts

Step-by-step explanation:

orange juice: punch

1.5 : 3

divide both sides by 3 to get:

0.5 quarts of juice: 1 quart of punch.

hope this helps!