Question 5
Is this a function? Explain, why or why not!
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Answer:

Step-by-step explanation:

The product cost per unit is $53.30 along the rims and $28.29 along the posts.

The average cost price is the quantity as an arithmetic average of the average amount. Average or mean is defined as the product of the total number of data given and the total number of data given. We have the cost of the goods and the overall quantity of goods or products provided when determining average cost pricing.

Cost price, for instance, equals selling price plus profit. Cost is equal to Selling price plus Loss. Cost price = 100 Selling Price + 100 + Profit (when the Selling Price and Profit Percentage are given)

According to the above questions :-

Direct Materials rims $20

Direct Labour rims  $12

Overhead                $21.30

Total cost is $53.30

Direct Materials posts $18

Direct Labour posts  $6

Overhead                $4.29

Total cost is $28.29

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Answer:

numerator = 4x + 6

Step-by-step explanation:

x²+3x + 2

(x+2)(x+1)

x/(x+2)(x+1) + 3(x+2)/(x+2)(x+1)

(x+3x+6)/(x+2)(x+1)

(4x+6)/(x+2)(x+1)

Answer:

Step-by-step explanation:

To find the compound interest earned on $50,000 in 10 years at 6.4% annual interest compounded quarterly, we can use the formula:

compound interest = principal * (1 + rate/n)^(n*t) - principal

where "principal" is the initial amount of money, "rate" is the annual interest rate, "n" is the number of times the interest is compounded per year, and "t" is the number of years.

Plugging in the given values, we get:

compound interest = $50,000 * (1 + 0.064/4)^(4*10) - $50,000

= $50,000 * (1.016)^40 - $50,000

= $50,000 * 2.6335 - $50,000

= $78,167.50 - $50,000

= $28,167.50

Therefore, the compound interest earned on $50,000 in 10 years at 6.4% annual interest compounded quarterly is $28,167.50.

Dangerous, antibiotic resistant bacteria have been observed with increasing frequency over the past several decades.

In this review the factors that have been linked to this phenomenon are addressed. Profiles of bacterial species that are deemed to be particularly concerning at the present time are illustrated. Factors including economic impact, intrinsic and acquired drug resistance, morbidity and mortality rates, and means of infection are taken into account. Synchronously with the waxing of bacterial resistance there has been waning antibiotic development. The approaches that scientists are employing in the pursuit of new antibacterial agents are briefly described. The standings of established antibiotic classes as well as potentially emerging classes are assessed with an emphasis on molecules that have been clinically approved or are in advanced stages of development. Historical perspectives, mechanisms of action and resistance, spectrum of activity, and preeminent members of each class are discussed.

What antibiotic Streptomycin ?

Streptomycin injection is used to treat moderate to severe bacterial infections in many different parts of the body.

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Answer:

7 cm.

The triangle dimensions are:  50, 27, and 7 cm

Step-by-step explanation:

The three sides of the triangle make up the entire perimeter.  Add each side and set the result equal to 84cm, the perimeter.

(7x+1) + (4x-1) + (14-x) = 84 cm

10x + 14 = 84

10x = 70

 x = 7 cm

Use x=7 to find the three dimensions:

1)  (7x+1) = 50 cm

2)  (4x-1) = 27 cm

3)  (14-x) = 7 cm

Do these add to 84 cm?

 (50+27+7) = 84 cm  YES

The most horizontal line is straight so it equal 180°. You know that one side (lower left section) is 67° meaning the other side is 180° - 67° = 113° (lower right side).

The most vertical line is straight so it equal 180°. You know that one side (lower right side) is 113°. The entire right side you have: 113°, 42°, and f.

f =  180° - (113° + 42°)

f = 25°

Answer:25 deegrees

Step-by-step explanation:

Answer: No, because they are not the same in slope - intercept form

Step-by-step explanation:

    First, we will distribute and simplify into slope-intercept form.

   Equation 1:

y - 3 = 4(x - 2)

y = 4(x - 2) + 3

y = 4x - 8 + 3

y = 4x - 5

   Equation 2:

y + 2 = 4(x + 7)

y = 4(x + 7) - 2

y = 4x + 28 - 2

y = 4x + 26

      We see that the answer to this question is "No, because they are not the same in slope - intercept form" as they have different y-intercepts, one being -5 and one being 26.

On solving the provided question, we got to know that side length of the square is 8 units.

Four sides that are equally spaced apart make up a square. Around us, a lot of things are rectangular. Equal sides and a 90° interior angle serve as a visual cue to identify a square. A closed square has four sides and exists in two dimensions (2D). A square has an equal number and parallel alignment of its four sides.

A four-sided shape known as a square has sides that are all the same length and angles that are all right angles with a 90 degree angle.

Here,

Area of square = [tex](side)^2[/tex]

64 =  [tex](side)^2[/tex]

[tex]Side = \sqrt{64}[/tex]

Side = 8 units

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Answer:

11x

Step-by-step explanation:

Answer:

f(-4)=1

Step-by-step explanation:

f(x) = 2x² + 3x - 19

f(-4)=2(-4)² + 3(-4)-19

f(-4)=2(-16)+3(-4)-19

f(-4)=-32+3(-4)-19

f(-4)=32-12-19

f(-4)=20-19

f(-4)=1

The account’s mean daily balance for April will be $105.7.

Mean is the total added values of all the data in a set divided by the number of data in the set.

The account had the following balances;

$501 for 23 days

$2428 for 3 days

$241 for 4 days.

To find the mean; add the total amount and divide by the total number of days

[tex]mean = \frac{501 + 2428 + 241}{23 + 3 + 4}[/tex]

[tex]mean = \frac{3170}{30}[/tex]

mean = $105.7

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When the skateboard's price, c, and the 7.5% sales tax are included, the simplified expression for the provided expression, c+0.075c, becomes 1.075c.

Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It's possible to multiply, divide, add, or subtract with this mathematical operation. Mathematical operators like addition, subtraction, multiplication, and division are used to create expressions in writing. For instance, the mathematical equation for "4 added to 2" will be 2+4.

Here,

Given expression,

=c+0.075c

total cost=1.075c

The simplified expression for the given expression c+0.075c will be 1.075c when the skateboard cost c and the sales tax of 7.5% is added.

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When a number is first increased by 25% then if it is decreased by 25% , we will get the same starting number. hence the net increased or decreased value is zero.

A decline in net income is a change from one period to the next in the amount of money you have after deducting your expenses from your revenues.

There are two possible outcomes for net income. Your business has a positive net income when revenues exceed expenses. You have a negative net income, commonly referred to as a net loss, if all of your expenses exceed all of your revenues.

let the number is x

first it is increased by 25%

so,

x+(25/100)x=(125/100)x

now according to second condition,

we have to find a value by which it is decreased so we get the same number.

so, let that decreased value is y;

(125/100)x-y=x

-y=x-(125/100)x

-y=-(25/100)x

cancelation of sign;

y=25%

so this is our required value.

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The value of u is 21.

Two figures are said to be "congruent" if they can be positioned perfectly over one another. Both of the bread slices are the same size and shape when stacked one on top of the other. Congruent refers to things that are exactly the same size and shape.

Given:

DG=FG=7, m ∠DEG=u+21°, and m ∠FEG=2u,

As, from the Diagram

DE = FE  (Given)

DG= FG  ( Given)

GE= GE (Common)

So, ΔDEG ≅ ΔFEG by SSS Rule.

<DEG = <FEG (CPCT)

u + 21 = 2u

2u - u= 21

u=21

Hence, the value of u is 21.

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Answer If O, P, and Q are collinear points with PQ = 3, and P' and Q' are the images of P and Q under dilation from O with a scale factor of 4, then the length of the segment P'Q' will be 4 times the length of the segment PQ. Since PQ = 3, the length of P'Q' will be 4 * 3 = $\boxed{12}$.

To see why this is the case, recall that a dilation with a scale factor of 4 expands or contracts a figure by a factor of 4 in each direction. In this case, the dilation from O with a scale factor of 4 expands the segment PQ by a factor of 4, resulting in the segment P'Q' with a length of 4 times the length of PQ. Since PQ = 3, the length of P'Q' will be 4 * 3 = 12.

Answer:

x=15.56

Step-by-step explanation:

You need to use pythagoras for this question.

Formula for pythagoras: a^2 + b^ =c^2

a= 11

b=11

c=?

11^2+11^2=c^2

121+121=c^2

242=c^2

[tex] \sqrt{242} [/tex]

=c

c=15.56

The possible number of ways the 7-question test can be answered: 128

In this question, we have been given a true-false test contains 7 questions.

We need to find the possible number of combinations (ways)  the 7-question test can be answered.

As, it is a true-false test, there are 2 choices per problem.

The number of problems = 7

so,  the possible number of ways  the 7-question test can be answered: 2*2*2*2*2*2*2

= 2^7

= 128

Therefore, in 128 different ways the 7-question test can be answered.

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Step-by-step explanation:

it seems like you understood the law of cosine (extended Pythagoras for non-right-angled triangles) and applied it mostly correctly for a).

but you made a little typo : suddenly, in the second half of the formula you changed the side length BC from 83.1 to 81.3. but it is 83.1.

so, the correct calculation is

a² = 83.1² + 95.5² - 2×95.5×83.1×cos(101) =

= 16,025.86 - 15,872.1×cos(101) =

= 16,025.86 - -3,028.539456... =

= 19,054.39946...

a = sqrt(19,054.39946) = 138.037674...

the rounded result is the same (138 km), but just for your information, and also, I want to use the correct numbers for b)

for b) we need to know :

bearings are angles, measured clockwise from north (north would be 0°).

when ship A looks to station C, the bearing is 146°.

when ship A looks to ship B, the corresponding bearing is 146 - the triangle angle at A (because that is how far we have to turn from looking at C to looking at B).

so, now, we need to apply the law of cosine again. this time to get angle A, as we have now side a.

c² = a² + b² - 2ab×cos(C)

and we want to get C, means now (since you called the baseline "a" in the first part)

83.1² = 95.5² + a² - 2×a×95.5×cos(angle A)

6,905.61 = 9,120.25 + 19,054.39946... - 2×138.037674...×95.5×cos(angle A)

6,905.61 = 28,174.64946... - 26,365.19574...×cos(angle A)

-21,269.03946... = -26,365.19574...×cos(angle A)

cos(angle A) = -21,269.03946.../-26,365.19574...

= 0.806708953...

angle A = 36.22437773...°

therefore, the bearing from A to B is

146 - 36.22437773... = 109.7756223...°

Answer:

1.4 people out of 10

Step-by-step explanation:

Just divide it by 10

Answer:

only 4 people

The total flowers in the garden white or pink is 8/15.

The components of a whole or group of items are represented by fractions. A fraction consists of two components. The numerator is the figure at the top of the line. It details the number of equal portions that were taken from the total or collection. The denominator is the figure that appears below the line.

In our garden, there are 2/3 total roses, making the total number of blooms that aren't roses 1/3

4/5 = 2/3 +1/3.

Since 3 is a division of 6, we must multiply by 6 to arrive at the solution.

4 x 6 =24

5 x 6 =30

24/30

Next, we calculate half of 30 and add it to get 3/3.

Then we find 1/2 of 30 and add this to make 3/3

Just like 1/2 of 2 = 1 and 2+1 = 3

30 / 2  = 15

15 + 30 =45

The answer is 24/45

We then reduce this fraction by 3 as 6 + 8 do not divide into 45

24/45 = 8/15

The total flower in the garden is 8/15

The proportion of white or pink flowers in the entire garden is 8/15.

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There are the some features that make highway roads safer for drivers who are driving at higher rates of speed is :(5 correct answers)

1.Median barriers

2.Guard rails

3.Brake away signs

4.Rumble strips

5.Controlled access

Given,

In the question:

What are some features that make highway roads safer for drivers who are driving at higher rates of speed?

Now, According to the question:

There are the some features that make highway roads safer for drivers who are driving at higher rates of speed is :(5 correct answers)

1.Median barriers

2.Guard rails

3.Brake away signs

4.Rumble strips

5.Controlled access

Hence, There are above 5 highway roads safer for drivers.

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Answer:

x=  -22d/44    x = -48d/44  is your answer

where d =2x  

Step-by-step explanation:

22d²- 35d + 12 = -3d²

22d²- 35d + 12 +3d²

25d²- 35d + 12 = a b c formula= - b-/+ / b^2 - 4 ac   / 2a

= -35d -+/ 35^2 - 4 *22d *12 / 2*22d

= -35d -+/1225d-4 (22) (12) /44d

= -35d -+/1225d- (88) (12) /44d

= -35d -+/1225d- (1056) /44d

= -35d -+/169d-  /44d

=-35d -/+ 13d   /44     x=  -22d/44    x = -48d/44  

The discriminant b2−4ac>0

so, there are two real roots.

The value of the investment after 5 years will be $3309.48.

Compound interest is the addition of interest to the principal sum of a loan or deposit or interest on interest plus interest.

In finance and economics, interest is the payment of an amount above the repayment of the principal sum by a borrower or deposit-taking financial institution to a lender or depositor at a specific rate by a borrower or depositor. It differs from a fee that the borrower may pay to the lender or a third party.

The value of the investment after 5 years will be,

[tex]A = P[(1 + \dfrac{r}{100} )^{nt}]\\A = 2800[(1+0.034)^{5}[/tex]

A = $3309.48

Therefore, the value of the investment after 5 years will be $3309.48.

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Assuming that costs increase linearly with the number of attendees, Patricia needs at least 30 people to attend the forum in order to break even.

Patricia needs 75 attendees to attend the forum in order to make a profit of 337,500.

By dividing the fixed costs by the contribution margin per unit, we are able to determine the break-even threshold in units. Divide the fixed costs by the contribution margin ratio to get the break-even threshold in dollars.

The percentage of the contribution margin to the sales revenue is known as the contribution margin ratio. Prior to the division operation, we add

the profit to the fixed cost in order to reach the goal profit.

Billing rate per participant = 10,000

Hotel charges per participant = 2,500

Contribution per participant = 7,500 (10,000 - 2,500)

225,000 is the fixed fee for the hotel room and amenities.

Break-even point in units = Contribution per unit – Fixed cost

= 30 individuals (225,000 -7,500)

Fixed cost plus profit minus contribution per unit equals break-even point in units with target profit.

Target profit = 337,500

= (225,000 + 337,500) ÷ 7,500

= 75 participants

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Answer: True

Step-by-step explanation:

Simple.