answer pls bc my teacher is going 2 fail me

Answer:

45 words

Hope this helps :)

Step-by-step explanation:

We know that he can type 180 wprds in 4 minutes.

So to find how man words he types per minute which is 1 minute, then we need to divide 180 by 4.

1. Divide.

45

4| 180

- 16↓

20

- 20

0

2. Answer.

Joel can type 45 words per minute.

3. Check.

45

× 4

180 ✓

The equation of the line parallel to 2x + 2y = -12 that passes through the point (2,-7) is y+7= -(x - 2)  , the correct option is (b)  .

In the question ,

it is given that ,

the equation of the line is parallel to 2x + 2y = -12 ,

2x + 2y = 12

2y = -2x + 12

Dividing both sides by 2  , we get

y = -x + 6

So , the slope of the line is -1 ,

since the required line is parallel , so the slope of the required line is -1 .

So , the equation of the line passing through the points (2,-7) with slope -1 is

(y - y₁) = m(x - x₁)

(y -(-7)) = -1(x - 2)

y + 7 = -1(x - 2)

y + 7 = -(x - 2)

Therefore , The equation of the line parallel to 2x + 2y = -12 that passes through the point (2,-7) is y+7= -(x - 2)    .

The given question is incomplete , the complete question is

Find the equation of a line parallel to 2x + 2y = -12 that passes through the point (2, -7) ?

(a) y+7=x-2

(b) y+7= -(x - 2)

(c) y-7=x+2

(d) y-7= -(x + 2)

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Step-by-step explanation:

A = r², find A when r is 14 centimeters.

A = (14)²

A = 196 cm²

Answer:

63 inches

Step-by-step explanation:

The perimeter of a rectangle is found by adding all of the side lengths. Since both pairs of opposite sides have the same length, an equation for the perimeter can be written like this:

[tex]P=2w+2l[/tex]

Where w and l represent the width and length.

Since we are asked to find the length, rewrite the equation in terms of l:

[tex]l=\frac{P-2w}{2}[/tex]

We know the values for P and w, so plug those in:

[tex]l=\frac{150-2(12)}{2}[/tex]

Now simplify!

[tex]l=\frac{126}{2}=63[/tex]

Answer:

l = 63 in  

Step-by-step explanation: If the P=150 in  W=12 in so .... using the formula P=2 (l + w) you get  L= P/2 - W = 150/2 - 12 = 63 in. I hope this helps!

Total amount that Subway collect in franchise fees  = $2,189,250,000

Total number of subway franchisees = 42,000

Average annual store revenue           = $417,000

Total paying percentage of franchisees               = 12.5%

12.5% of average revenue = (417000×12.5)÷100

                                              = $52,125

Total subway collection in franchise fee= total number of franchisees×amount of fees per franchisees

                                         = 42,000×52,125

                                         = $2,189,250,000

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Since subways has about 42000 franchisees and about $417000 average revenue is earned. Therefore, the total amount that Subway collect in franchise fees is $2,189,250,000.

Subways Franchise operate 16 submarine sandwich shop and they expanded quickly with its long time slogan "East Fresh".

Franchisor gives a franchisee the authority to do business in the franchisor's trade name using its business system it is called franchising.

Subways franchises pay 12.5% every week (gross sales minus the sales tax), 8% goes toward the franchise royalties and 45% gores towards advertising.

The company has the lowest start-up costs compared to many other fast food franchises but does take more royalty and advertising money.

The franchise fee:

Now, according to the question:

Total number of subway franchisees = 42,000

Average annual store revenue = $417,000

Total paying percentage of franchisees = 12.5%

∴ At 12.5% of average revenue = (417000 × 12.5) ÷ 100

                                                    = $52,125

Total subway collection in franchise fee

= total number of franchisees × amount of fees per franchises

= 42,000×52,125

= $2,189,250,000

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The trigonometric function that can be used when given 2 sides that are not the hypotenuse is tangent.

When two sides are given that is not the hypotenuse, the trigonometric function that can be employed is the tangent.

A right-angle triangle has the following sides:

Hypotenuse

Adjacent side

the opposite side

The following trigonometric ratios can be used to determine the angles in a right-angle triangle:

sin = opposite/hypotenuse

cos = neighboring / hypotenuse

tan = opposite /adjacent

Tangent is the trigonometric function that can be used to determine the angle of a right-angle triangle given two sides other than the hypotenuse.

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The values of x= 10;  y= 5;  z= 20.

Given that

40 applied to the daily times only,

20 applied to the daily graphic only while

45 applied to the punch only.

To find out, if 15 applied to all the three newspaper establishment

I. the number that applied to both the daily times and daily graphic

II. the number that applied to the daily times and the punch.

III. the number that applied to both the daily graphic and the punch.

iv. the number that applied to at least one newspaper establishment.​

Given that:  DT (marked "T"),  70 & 40 (red circle).

       DG (marked "G"),  65 & 20 (green circle).

       P,                85 & 45 (blue circle).

x + y + 15 + 40 = 70

y + z + 15 + 45 = 85

x + z + 15 + 20 = 65

==========>

x + y = 15,       (1)

y + z = 25,       (2)

x + z = 30.       (3)

------------------------Add 3 equations  ====>

2x + 2y + 2z = 15 + 25 + 30 = 70  ====>

x + y + z = 35.   (4)

Subtract  (1)  from (4):  z= 20;

Subtract  (2)  from (4):  x= 10;

Subtract  (3)  from (4):  y=  5.

Hence the answer is the values of x= 10;  y= 5;  z= 20.

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Answer:

e and c

Step-by-step explanation:

both are the exact same size, which would allow them to be placed on top of each other without any overlap

Answer:

A, B and E are the correct answers

Step-by-step explanation:

I had that same question on the test too.

The measure of missing angles in the diagram is angle 1 = 88°, angle 2 = 42° and angle 3 = 113°  .

In the question ,

a figure is given ,

the labelled diagram is show below .

we can see that the angle ACB and angle ECD are vertically opposite angles ,

we know that, the vertically opposite angles are equal ,

So, angle ACB = m∠2 = 42°

In triangle ABC

By Angle Sum Property Of Triangle ,

angle A + angle B [tex]+[/tex] angle C [tex]=[/tex] 180°

50° + m∠1 + 42° [tex]=[/tex] 180°

92° + m∠1 = 180°

m∠1 = 180° - 92°

m∠1 = 88°

In triangle CDE ,

By Angle Sum Property Of Triangle

angle C + angle D [tex]+[/tex] angle E [tex]=[/tex] 180°

42° + m∠3 + 25° [tex]=[/tex] 180°

m∠3 + 67° = 180°

m∠3 = 180° - 67°

m∠3 = 113°

Therefore , The measure of angle 1 = 88°, angle 2 = 42° and angle 3 = 113°  .

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Answer:

Area = 8 sq cm

Step-by-step explanation:

This shape is a parallelogram. Its like a rectangle that got tipped over. Area is:

base × height.

We don't know the base that is on the bottom of the image as it is shown. But if you turn it sideways, the 4 can be the base and the 2 is the height.

Area = b × h

= 4 × 2

= 8

The area is 8 sq cm.

From the given graph we get, the coordinates of original P are (-6,-6).

So initial x=-6 and y=-6

Also from the graph we can see that the coordinates of transformed point P' are (-1,3)

So now, (-1,3) = (-6+5,-6+9) = (x+5,y+9)

Hence the first and second box are 5 and 9 respectively.

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The value of the number is 35

Algebraic expressions are the idea of expressing numbers using letters or alphabets without specifying their actual values.These letters are called variables. An algebraic expression can be a combination of both variables and constants. Any value that is placed before and multiplied by a variable is a coefficient.

If the number is represented by x then,

1x/5+3x= 2x+42

making the left hand side a single fraction, then,

(x+15x)/5= 2x+42

16x/5= 2x+42

multiply both sides by 5

16x= 10x+210

collect like terms

16x-10x= 210

6x= 210

x=35

therefore the value of the number is 35

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Answer: 50x+200=y

Step-by-step explanation:

This is the answer because the number of hours is not provided leaving us to multiply 50 by x, 200 is the flat fee so we will know to automatically add that to our first step and since y is the total this will form the equation, 50x+200=y.

The equation for the relation is [tex]p=k \frac{qr^2}{s}[/tex].

The value of k when q = 5, r = 4 and s = 6 is 3.

The value of p when q = 8, r= 6 and s= 9 is 96.

The value of s when p= 10, q=5 and r = 2 is 6.

A connection between two different items is called variation. There are two categories of difference. Direct Variation is the name of the first one. When two variables move in the same direction, direct variation occurs. Additionally, as one variable rises, the other variable rises as well. Inverse Variation is the second kind. When the two variables move in the opposite direction, inverse variation occurs. Additionally, this occurs when one variable rises while the other falls.

Since p varies directly as q and the square of r and inversely as s. So the equation will be [tex]p=k \frac{qr^2}{s}[/tex].

Now, finding the value of k, for p = 40 when q = 5, r = 4 and s = 6,

[tex]p=k \frac{qr^2}{s}\\40=k \frac{5\times4^2}{6}\\k = 3[/tex]

Now, finding the value of p when q = 8, r= 6 and s= 9,

[tex]p=3 \frac{8\times 6^2}{9}\\=96[/tex]

Now, finding the value of s when p= 10, q=5 and r = 2,

[tex]10=3 \frac{5\times 2^2}{s}\\\\10=3\times \frac{20}{s}\\s=6[/tex]

Therefore, the equation for the relation is [tex]p=k \frac{qr^2}{s}[/tex] , the value of k when p = 40 when q = 5, r = 4 and s = 6 is 3, the value of p when q = 8, r= 6 and s= 9 is 96 and the value of s when p= 10, q=5 and r = 2 is 6.

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⇒Option A is an expression of a difference 7 and 5x which is the product of 5 and x.

⇒Option A is the  answer.

Step-by-step explanation:

(x+2)(x+7) = 0

It is already factorised.

So, x = (-2,-7)

So, option A is correct

Step-by-step explanation:

b^3 x b^8 / b^5

b^11/b^5

b^(11-5)

b^6

Using simplification, if the total ticket sales was $1316, then 70 children, 78 students and 35 students attended.

From the given question,

We know that the capacity of movie theater is 183.

The theater charges $5.00 for children, $7.00 for students and $12.00 of adults.

There are half as many adults as there are children.

If the total ticket sales was $1316, then we have to find how many children, students, and adults attended.

Let the number of children that attended = x

Since, there are half as many adults as children.

Therefore number of adults = 1/2x =0.5x

We know there are total of 183 tickets

Therefore number of students = 183 - x - 0.5x

number of students = 183 - 1.5x

Each children ticket costs = $5

Then the price of children tickets = 5x

Similarly for adults each ticket costs = $12

So total cost of adult ticket = 12×0.5x = $6x

Now the cost of student tickets = 7(183 - 1.5x)

As given that

Total cost of all tickets = $1316

So the expression should be

5x + 6x + 7(183 -1.5x) = 1316

Simplifying

11x + 1281 - 10.5x = 1316

Subtract 1281 on both side

11x + 1281 - 10.5x-1281 = 1316-1281

Simplifying

0.5x = 35

Divide by 0.5 on both side we get

x = 70 children

Now finding the number of adults

= 0.5x

= 0.5×70

= 35 adults

Now finding the number of students

= 183 - 1.5x

= 183 - 1.5×70

= 183 - 105

= 78 students

Hence, If the total ticket sales was $1316, then 70 children, 78 students and 35 students attended.

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Answer:

36a^10

Step-by-step explanation:

The weight of the pig now is 54.9562 kg.

Given that the farm veterinarian, checked, a particular pig weighed 59.8 kilograms. Dr. Mason just weighed the pig again and found out that it weighs 8.1% less now.

The reduction will be:

= Percentage × Original weight

= 8.1% × 59.8

= 4.8438 kg

Therefore the weight of the pig will be:

= Original weight - Reduction

= 59.8 - 4.8438

= 54.9562 kg

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Answer:

P(D) = 0.7

Step-by-step explanation:

There are two routes to D:

We then add these two probabilities:

AD + BD = (0.5*0.6) + (0.5*0.7) = 0.3 + 0.35 = 0.7

Therefore, P(D) should be 0.7, or 70%

Answer:

below

Step-by-step explanation:

12 + 84/100   = 12.84

The equation of the line that passes through (-1, -1) and is parallel to x + y = 8 is x + y = -2

The equation of the line that passes through (-5, -2) and is parallel to y + 3x = 10 is 3x + y = -17

From the question, we are to determine the equation of the line passing through the given points and parallel to the given line.

NOTE: If two lines are parallel, then their slopes are equal

First, we will determine the slopes of the given line

x + y = 8

Write the equation in the slope-intercept form, y = mx + b

Where m is the slope

and b is the y-intercept

x + y = 8 becomes

y = -x + 8

Therefore, m = -1

Now, we will determine the equation of a line that has a slope of -1 and that passes through (-1, -1)

Using the point-slope form of the equation of a straight line,

y - y₁ = m(x - x₁)

y - (-1) = -1(x - (-1))

y + 1 = -1(x + 1)

y + 1 = -x -1

x + y = -1 -1

x + y = -2

Hence, the equation is x + y = -2

Now, we will determine the slope of y + 3x = 10

Express the equation in slope-intercept form

y + 3x = 10

y = -3x + 10

Therefore, m = -3

Now, we will determine the equation of a line that has a slope of -3 and that passes through (-5, -2)

Using the point-slope form of the equation of a straight line,

y - y₁ = m(x - x₁)

y - (-2) = -3(x - (-5))

y + 2 = -3(x + 5)

y + 2 = -3x - 15

3x + y = -15 -2

3x + y = -17

Hence, the equation is 3x + y = -17

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The lower limit of the 95% confidence interval for the average miles per gallon is 23.32 mpg.

How to calculate the lower limit of the confidence interval?

Given,

n = 30

mean = μ = 24.1

standard deviation = σ = 2.1

confidence interval = 95%

Since the sample is 30, use t-table. If sample is greater than 30 use z-table.

Level of significance, α = 1 - 0.95 = 0.05

degree of freedom, df = n - 1 = 30 - 1 = 29

t value = 2.045

Lower limit = [tex]\mu-t\frac{s}{\sqrt{n}}[/tex]

= [tex]24.1 - 2.045\frac{2.1}{\sqrt{30}}[/tex]

= 24.1 - 0.784

= 23.316

= 23.32 mpg

Thus, the lower limit of the 95% confidence interval for the average miles per gallon is 23.32 mpg.

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Answer:

11

Step-by-step explanation:

Three times an unknown number

= 3(n)

Added to

Two less than four times the same unknown number

= 4 - 2(n)

Total

= 3(n) + 4 - 2(n) = 15

= 3n + 4 - 2n = 15

Collect like terms

= 3n - 2n = 15 - 4

n = 11

Answer:

[tex]2^{3x+3}[/tex]

Step-by-step explanation:

to divide exponents with the same base you just subtract them

(4x+4)-(X+1)

4x+4-x-1

3x+3

Hopes this helps please mark brainliest

Answer:

frac{16x+4}{2^{x}+1 =

Step-by-step explanation:

Evaluate the exponent! hope this helped

The surface area of box A is 240in².

the surface area of box B is 246in².

What is Surface area?

This is referred to as the space/ area occupied by a three- dimensional  object by its outer, flat surface of an object.

Formular for calculating surface area is:

Surface area, SA=( 2*L*W)+( 2*L*H) +=( 2*W*H)

where

Length, L

Height,H

Width,W

from the Question box A

L= 6in

W= 6in

H= 7in

Hence

Surface area, SA=( 2*L*W)+( 2*L*H) +=( 2*W*H)

             =( 2*6*6)+( 2*6*7) +=( 2*6*7)

          =72+84+84

          = 240in².

from the Question box B

L= 3in

W= 8in

H= 9in

Hence

Surface area, SA=( 2*L*W)+( 2*L*H) +=( 2*W*H)

                           =( 2*3*8)+( 2*3*9) +=( 2*8*9)

                              =48+54+144

                               = 246in².

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