Formulas can be manipulated to solve for missing information.
Ex: A = bh can be written as ? or ?

Answer:

m = 2

Step-by-step explanation:

Slope = rise / run or (y2 - y1) / ( x2 - x1)

Let's pick 2 points (0,0) (1,2)

We see the y increase by 2 and the x increase by 1, so the slope is

m = 2

Answer:

15 mm have 1.5 cm.

Step-by-step explanation:

1 mm = 0.1 cm

1 cm = 10 mm

5 cm have 50 mm

and

15 mm have 1.5 cm.

If the equation that relates the Runner 2’s distance (in miles) with time (in minutes) is [tex]t=8.5d[/tex]  then the slope/rate of change of Runner 2 is 8.5 minutes for 1 mile  .

The three runners are training for the marathon ,

The equation that relates the Runner 2’s distance (in miles) with time (in minutes) is ⇒ [tex]t=8.5d[/tex] ,

to cover the distance of 2 miles Runner2 will take [tex]t= 8.5 \times 2[/tex] minutes ;

So , [tex]t=17[/tex] minutes ;

the first point will be (2,17) .

and to cover the distance of 4 miles the runner 2 will take [tex]t= 8.5 \times 4[/tex]

So , [tex]t=34[/tex] minutes ;

the second point will be (4,34) .

we have to find the rate of change/slope of runner 2  ,

that can be written as : [tex]Slope = \frac{34-17}{4-2}[/tex]

On simplifying ,

we get ;

[tex]Slope = \frac{17}{2}[/tex] ;

So , [tex]Slope = 8.5[/tex].

Therefore , the rate of change of Runner 2 is 8.5 .

The given question is incomplete , the complete question is

Three runners are training for a marathon. One day, they all run about ten miles, each at their own constant speed. The equation that relates the Runner 2’s distance (in miles) with time (in minutes) is "t = 8.5d". Find the slope/rate of change of Runner 2 ?

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Answer:

Step-by-step explanation:

a) (52 + 63)/250 = 0,46 = 46%

b) (63+77)/250 = 0,56 = 56%

c) 63/140= 0.45 =  45%

d) vegetarian that exercise: 52/110 = 47%

Compararison with not vegetarian:

63 : 140 = x : 110

50/110

So the answer is the first option

A total of 3 five ounces glass are needed so have the same alcohol as that of a 12 ounce glass.

In order to find the number of glass of capacity five ounces that will have the same capacity as that of the twelve ounce glass can be calculated as followed,

Let us say that n number of five ounces glasses are required to equate 12 ounce glass.

Now, we can write the relation,

using simple algebra,

n(Five ounces glasses) = 1 Ounce alcohol content

n = 12/5

n = 2.4

But, we have to answer an integral value, so, we will say that the required number of the glasses is 3.

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Answer:

I took the Quiz and got 19,958,400 ways wrong from the previous answer the real answer is 496 ways

Step-by-step explanation:

The number of different ways that you can put 8 books on the shelf will be 495.

A permutation is an act of arranging items or elements in the correct order. Combinations are a way of selecting items or pieces from a group of objects or sets when the order of the components is immaterial.

Then the combination is given as,

⇒ ⁿCₐ

Where n is total sample and a is the selected sample from n.

You have 12 books, and you want to put 8 on a shelf in your room.

Order does not matter to you.

Then the number of different ways that you can put 8 books on the shelf will be

⇒ ¹²C₈

⇒ 12! / [(12 – 8)! x 8!]

⇒ 12 x 11 x 10 x 9 x 8! / (4 x 3 x 2 x 1 x 8!)

⇒ 11 x 5 x 9

⇒ 495

Thus, the number of different ways that you can put 8 books on the shelf will be 495.

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The fraction which is equivalent to 4/6 is 8/12 as asked in the question.

2 x 4 = 8 and

3 x 4 = 12

Therefore, they satisfies the condition of an equivalent numbers.

Equivalent numbers are those which on reducing to it's lowest terms gives the same number.

Other example , 2/4 is equivalent number to 8/16 .

Equivalent fractions are those fractions which has different numerators and denominators but the same value when reduced to their lowest terms. For, example 2/4 and 3/6 are comparable fractions because they both equal 12.

A fraction is a portion of a number written in terms of numerator and denominator. Equivalent fractions represent the same percentage of the whole.

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The Saint Hildegard of Bingen stood out in the Middle Ages for her great knowledge in different fields and her extensive written production.

Saint Hildegard of Bingen (1098-1179), was a German nun belonging to the Order of Saint Benedict who stood out for performing multiple functions, among which are:

Hildegard stood out for being one of the most influential personalities of the Late Middle Ages due to her remarkable intelligence and culture that led her to be one of the most productive writers of her time and to develop varied knowledge of natural history.

Much of her work (including her musical compositions) is found in her best known work called "Wiesbanden Codex" or "Riesencodex".

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Answer:

1920 cubic centimeters

Step-by-step explanation:

FIGURE A:

8 * 10 * 14 = 1120

FIGURE B:

8 * 10 * 10 = 800

So 1120 + 800 = 1920 cubic centimeters!

dat da answer

The smallest positive integer that is both multiple of 4 and 7 is 2

In mathematics, multiples are the results of multiplying an integer by a given number.

The given numbers for this problem are 4 and 7. The positive multiples of 4 and 7 will be listed and the first number that appeared in the both multiples s the smallest positive integer that is both a multiple of 7 and a multiple of 4.

The multiples of 4

4 8 12 16 20 24 28 32 36 .......

The multiples of 7:

7 14 21 28 35 42 49 56 63 70 77 84 91 98 .....

The smallest common multiple is 28

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On solving the provided question, we can say that since it it is right angled triangle so the relation that be formed is  [tex]m^2 = p^2 + z^2[/tex]

A triangle is a polygon since it has three sides and three vertices. It is one of the basic geometric shapes. The name given to a triangle containing the vertices A, B, and C is Triangle ABC. A unique plane and triangle in Euclidean geometry are discovered when the three points are not collinear. Three sides and three corners define a triangle as a polygon. The triangle's corners are defined as the locations where the three sides converge. 180 degrees is the result of multiplying three triangle angles.

since it it is right angled triangle

so the relation that be formed is

[tex]m^2 = p^2 + z^2[/tex]

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The steps for measuring the angle b is shown below, <b= 41.

If a triangle side is created, the outside angle that results is equal to the sum  of the two opposite internal angles.

If an equivalent angle is measured at each triangle vertex, the exterior angles always add up to 360 degrees.

Given:

exterior angle = 113

and, opposite interior angle =72

Using Exterior angle property we have

72 + b = 113

Subtract 72 from both side

72 + b -72 = 113 -72

b = 113- 72

b = 41

Hence, the measure of b is 41 degree.

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Answer:

81 personas

Step-by-step explanation:

Lucía les cuenta una historia a 3 amigos a la hora 12.

Cada uno de ellos se comunica a 3 personas en los próximos 10 minutos.

a) Primeros 10 minutos

1 amigo = 3 personas = 10 minutos

3 amigos = x

Multiplicar cruzada

x = 3 × 3 personas = 9 personas

Por lo tanto, 9 personas han escuchado la historia en 10 minutos.

Si este trámite continúa, ¿cuántas personas han escuchado la noticia hasta las 12:30?

12: 30 - 12:00 = 30 minutos más

10

Por eso,

b) Segundos 10 minutos = 20 minutos

9 personas cada uno le dice a 3 personas en otros 10 minutos

1 persona = 3 personas

9 personas = x

Multiplicar cruzada

x = 9 × 3 personas

x = 27 personas

c) Los últimos 10 minutos = 30 minutos

1 persona = 3 personas

27 personas = x

Multiplicar cruzada

x = 27 × 3 personas

x = 81 personas

Por lo tanto, a los 30 minutos, 81 personas habrían escuchado la noticia a las 12:30

Answer:

Step-by-step explanation:

The area formula of a parallelogram is the same as the area formula of a rectangle, it is A=bh.

Given that area is 15 units, A = 15.

On the graph, we can see that base is 3 units. b = 3.

plug in the values into the formula,

[tex]15 = 3 * h\\h = 15 / 3 = 5[/tex]

Answer:

X=9

Step-by-step explanation:

A circle adds up to 360°

63+89+73= 225

360-225= 135

Since 15x

135÷15=9

x=9

The largest side of the length is 26cm.

Now, According to the question:

Three consecutive even numbers can be expressed in terms of n. If n is an even number then,

(n -2), (n), (n + 2)

are three consecutive even numbers.

Therefore,

(n -2)+ (n)+ (n + 2) = 72cm.

We can simplify so...

3n + 2 - 2 = 72 cm.

3n + 0 = 72 cm.

3n = 72cm.

Divide both sides by 3 to solve for n

n = 24 cm.

24 is an even integer. Input 24 into the original equation.

(n -2)+ (n)+ (n + 2) = 72cm.

(24 - 2) + 24 + (24 + 2) = 72cm

22 + 24 + 26 = 72

72 = 72

Hence, The largest side of the length is 26cm.

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Answer:

0

Step-by-step explanation:

Answer:

the answer is 25 according to Khan

Step-by-step explanation:

Answer:

176

Step-by-step explanation:

2+62+77= 141

62/141

400 x 62/141 = 175.8

=176

The easiest way to determine the mode of any data set, is to figure out which number appears most frequently, or most common.

You can take all of the numbers and count how many times each number appears. The number that appears the most is called the mode.

In the first pie chart (Group A), we can see that the orange piece is the biggest, therefore the most common. The orange piece has equal value to 4.

In the next group (Group B), we can determine the mode by looking at the highest bar, which would be 5.

4 is less than 5, which means that the answer to this question would be Group A.

Answer:

26. 16

27. 1

28. 49

29. 169

30. 256

Step-by-step explanation:

26. (b/2)² = (-8/2)² = 16

27. (b/2)² = (-2/2)² = 1

28. (b/2)² = (-14/2)² = 49

29. (b/2)² = (26/2)² = 169

30. (b/2)² = (-32/2)² = 256

Answer:

$16

Step-by-step explanation:

12 = 3/4g

cross-multiply to get:

3g = 48

g = 48/3

g = 16

To ride a bike to school Torrin takes 15.75 min to ride to school and 3.54 km is the distance from his house to school.

Let  v₁ = 13.5 km/h the speed to school

v₂ = 10.5 km the speed returning home

t = the time of the ride to school in minutes

36 - t = the time of the ride from school in minutes

Since, distance = speed × time

⇒v₁ × t/60 = v₂ × (36 - t)/60

⇒13.5 × t/60 = 10.5 × (36 - t)/60

⇒t = 15.75 min

Now, the distance = v₁ × t/60 = 13.5 × 15.75/60 = 3.54 km.

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Answer: x = a/b - c

Step-by-step explanation:

First divide by b on each side to get the x by itself.

Then subtract c from both sides to make x the subject of the formula.

Step-by-step explanation:

a = bx + c

the goal is to get to a form with "x = ...".

a - c = bx

(a - c)/b = x

done.

Answer:

80/89 (I messed it up with sine sorry :)

Answer:

cos ∅ = 80/89

Step-by-step explanation:

As required from the question the picture below represent a triangle UVW . The angle W = 90°. The sides WV = 39 , VU = 89 and UW = 80. The triangle forms a right angle triangle .

Such triangle one can establish trigonometric relationship using the SOHCAHTOA principle.

The question requested us to find the ratio that represent the cosine of  ∠U.

The ∠U is represented as ∅ .

Therefore,

cos ∅ = adjacent/hypotenuse

adjacent = 80. The adjacent side is the non hypotenuse side that is next to the given angle.

hypotenuse = 89 . Hypotenuse is the longest side of a right angle triangle and it opposite the right angle.  

cos ∅ = adjacent/hypotenuse

cos ∅ = 80/89

√6/3 is the value after rationalization of √2/√3

An expression is combination of variables, numbers and operators.

The given expression is √2/√3

Square root two divided by square root three.

We need to rationalize the denominator

To rationalize multiply numerator and denominator by √3

√2/√3×√3/√3

√2×3/3

√6/3

Hence, √6/3 is the value after rationalization of √2/√3

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Answer:

15. -3 1/4

16. -4 1/2 OR -4 2/4

17. 1 1/4

18. -5 3/4

19. 1/2 OR 2/4

20. -2 1/2 OR -2 2/4

Step-by-step explanation:

Answer:

15) -3.25

16) -4.5

17)1.25

18)-5.75

19).5

20)-2.5

Answer:

There were 65 stars on his cape.

Step-by-step explanation:

So, there are 87 neon stars in total, and we are using 1 star for his wand, so there are 86 stars left on his cape and hat. We'll label the hat as h.

The stars are 2 more then 3 times the stars on his cape, plus the stars on his hat, so the equation is:

4h+2=86

4h=84

h=21

21x3+2=65

Answer:

There were 65 stars on his cape.

Step-by-step explanation:

So, there are 87 neon stars in total, and we are using 1 star for his wand, so there are 86 stars left on his cape and hat. We'll label the hat as h.

The stars are 2 more then 3 times the stars on his cape, plus the stars on his hat, so the equation is:

4h+2=86

4h=84

h=21

21x3+2=65