b + 12a; use a = 4, and b = 2

The following set of numbers, 10, 12, and 23, cannot be the measures of the sides of a triangle.

A triangle is a polygon with three sides and three vertices.

To know if a set of number is a valid measure of the sides of a triangle, it must follow the Triangle Inequality Theorem which states that the sum of any two sides must be greater than the third side, such that a + b > c, a + c > b, and b + c > a.

let a = 10, b = 12, and c = 23

a + b > c     10 + 12 > 23     22 > 23     False

a + c > b     10 + 23 > 12     33 > 12     True

b + c > a     12 + 23 > 10     35 > 10     True

If at least one of these three statements is not true, then the set of numbers is not a valid measure of the sides of a triangle.

Hence, the set of numbers 10, 12, and 23 can not be the measure of the sides of a triangle.

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Answer:

6

Step-by-step explanation:

Let's call the bands by numbers :

So we have Band 1,2 and 3

The orders can be :

1,2,3

2,3,1

3,1,2

1,3,2

3,2,1

2,1,3

so there must be 6 different orders

Another method of doing this is to called product rule of counting :

3 × 2 × 1 = 6

Hope this helped and have a good day

Answer:

Step-by-step explanation:

B) is correct

The transformation rule for the triangle P by translating the vector (2, -7) is ( x , y ) <=> ( x + 2 , y - 7 )

Transformation rule says that, if a translation occurs then each point of the shape will be shifted in the same direction with the same distance.

According to the rule , the translation for the triangle P using the vector (2,-7) is ( x + 2 , y - 7 ).

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The solution of the above equation y/5 + y/2 = 7 for y is 10.

According to the given question.

We have an equation y/5 + y/2 = 7.

Since, we have to solve the above equation y/5 + y/2 = 7 for y.

Therefore, the solution of the above equation for the above equation y/5 + y/2 = 7 is given by

y/5 + y/2 = 7

⇒ (2y + 5y)/10  = 7

⇒ 7y /10 = 7

⇒ 7y = 70

⇒ y = 70/7

⇒ y = 10

Hence, the solution of the above equation y/5 + y/2 = 7 for y is 10.

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Answer: p=14, r=48

Step-by-step explanation:

x^8 • x^6 = x^p

x^(8+6) = x^p

8+6=p

p=14

(x^8)^6 = x^r

x^(8*6)=x^r

8*6=r

r=48

(a) 2.1°C per minute

(b) 1.9°C per minute

(a)

(b)

The probability that she makes no more than 20 of them is 0.394

We use Binomial Distribution in solving this question.

The discrete probability distribution known as the binomial distribution only offers two outcomes for an experiment: success or failure.

Sum of independent Bernoulli trials is binomial distribution; a random Variable x is said to be following binomial distribution if it's density is given as

P(X=x) = (nCx) px (1−p)n−x    where x=0,1,2…n

Let x denotes the number of throws that makes a free throw so here

x follows Binomial distribution with n=28 and p=0.603

Thus, we calculate

P(X≤20) =∑_(k=0)^1▒1= (28Ck)0.603k (1−0.603)28−k =0.3144

=0.394

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Answer:

0

Step-by-step explanation:

Substitute x for 1 and solve.

2(1) -2

2-2

0

Answer:

0 I belive

Step-by-step explanation:

f(x) =2x-2

f(1)= 2(1)-2

2-2

f(1)= 0

If Max is building a set of shelves and he buys a board that is 4 yards long and he wants to cut as many pieces of board that are 3/4 yards long as he can, then the no of pieces he can cut is 5 and he will have 0.25 yards of board left over.

3/4 is a fraction which can be represented as,

3/4 = 0.75

The number of pieces of board that Max can cut that is 4 yards long can be determined by the division of the length of the board by the length of the cut pieces. Therefore,

number of pieces cut = length of the board ÷ length of a cut piece

number of pieces cut = 4 ÷ 0.75

number of pieces cut = 5.33, that is round off to 5

Thus he can cut 5 pieces of 3/4 yards.

As 5 × 3/4 = 3.75 yards

The remaining yards of the board can be calculated by subtraction.

Board leftover = 4 - 3.75 = 0.25 yards

Hence, Max can cut 5 pieces of 3/4 yards and will have 0.25 yards of the board left over.

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Answer:-5/4

Step-by-step explanation:

Answer:

just fix the cilcle more it have it looing for the answer

Step-by-step explanation:

that all i got i wish i can help u more

Answer: x = 3

Step-by-step explanation:

From the diagram above , the area of a triangle especially a right angled triangle

A = 1/2 X b X h where b is the base and h is the height.
Now,

h = x + 3

b = x + 1

Now , substitute for those values in the formula provided vide

A = 1/2 x (x+ 3)( x + 1 ) and equated it to 12

= (x+3)(x+1)

—————. = 12

2

Now, multiply both side a by 2 to make it a linear equation or better put , cross multiply

= (x+3)(x+1) = 2 x 12

= (x+3)(x+1) = 24

Then open the bracket by multiplication

= x2 + x + 3x + 3 = 24

= x2 + 4x + 3 = 24

= x2 + 4x + 3 - 24 = 0

By solving this quadratically,

= x2 + 7x - 3x - 21 = 0 ,

( x2 + 7x) - ( 3x - 21 ) = 0

x( x + 7 ) - 3( x + 7 ) = 0

Therefore

( x+ 7 )( x - 3 ) = 0

Solving this gives

x = -7 or x = 3

Therefore x = 3 since x can’t be negative, x can’t be = -7

The effect of repeating the phrase “piano moan” in the poem is A. It sets a sad, mournful tone.

It should be noted that in literature, the feeling and emotions of the author is illustrated in the tone.

In this case, the repetition of the words were I

important to show the emotions of the author.

Therefore, the effect of repeating the phrase “piano moan” in the poem is that it sets a sad, mournful tone.

In conclusion, the correct option is A.

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The equivalent expression for the given expression is [tex](\frac{2}{3} )^{14}[/tex]. Therefore, option C is the correct answer.

The given expression is [tex]((\frac{2}{3} )^{4}\times(\frac{2}{3} )^{3})^{2}[/tex].

We need to find the equivalent expression for the given expression.

Equivalent expressions are expressions that work the same even when they seem different. When we enter the same value for the variable, two algebraic expressions that are equivalent have the same value.

Now, [tex]((\frac{2}{3} )^{4}\times(\frac{2}{3} )^{3})^{2}[/tex] using [tex]a^{m} \times a^{n}=a^{m+n}[/tex].

We get, [tex]((\frac{2}{3} )^{4+3})^{2}=((\frac{2}{3} )^{7})^{2}[/tex]

Using the exponents rule [tex](a^{m} )^{n}=a^{m\times n}[/tex]

=[tex]=(\frac{2}{3} )^{7\times 2}=(\frac{2}{3} )^{14}[/tex]

The equivalent expression for the given expression is [tex](\frac{2}{3} )^{14}[/tex]. Therefore, option C is the correct answer.

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The fish population will be the same as on January 1, 2002 on January 1, 2017 and all the fish in the lake will have died by 2019

The function is given as:

F(t) = 1000(30 + 15t - t^2)

Start by calculating F(0) --- population in 2002

So, we have:

F(0) = 1000(30 + 15(0) - 0^2)

F(0) = 30000

Substitute 30000 for F(t) in F(t) = 1000(30 + 15t - t^2)

1000(30 + 15t - t^2) = 30000

Divide by 1000

30 + 15t - t^2 = 30

Simplify

t^2 - 15t = 0

Divide through by t

t - 15 = 0

Solve

t = 15

This means that

Year = 2002 + 15

Year = 2017

Hence, the fish population will be the same as on January 1, 2002 on January 1, 2017

This means  that F(t)= 0

So, we have:

1000(30 + 15t - t^2) = 0

Divide by 1000

30 + 15t - t^2 = 0

Rewrite as

t^2 - 15t - 30 = 0

Using a graphing calculator, we have

t = 17 (approximated)

This means that

Year = 2002 + 17

Year = 2019

Hence, all the fish in the lake will have died by 2019

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The number of packs of markers Mr. Sowers can purchase is 6.4 packs.

According to the task content, it is required that an inequality should be written and solved for the number of packs of markers Mr. Sowers can purchase.

5.49x ≤ 35

x ≤ 35 / 5.49

x ≤ 6.375227686703096

Approximately

x ≤ 6.4

Therefore, the number of packs of markers Mr. Sowers can purchase is 6.4 packs

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The equation of the line in standard form with slope equal to 2/3 and y -intercept (0 , 5) is 2x - 3y = -15.

The equation of a line can be expressed in three different forms: standard form, slope-intercept form, and point-slope form.

The standard form of an equation of a line is expressed as ax + by = c, where a and b, if all possible must be integers, are the coefficients of variable x and y, respectively, and c is a constant. Meanwhile, slope-intercept form is given by the formula y = mx + b, where m is the slope of the line and b is the y- intercept. On the other hand, given the slope m and a point on the line (x , y), we can express the equation in point-slope form, (y - y1) = m(x - x1).

Using the slope-intercept form, plug in the values of the slope and the point to set up the equation.

y = mx + b

where m = 2/3 and y-intercept, b = 5

y = 2/3 x + 5

To write the equation in standard form, arrange the variable(s) in one side and the constant(s) in the other.

y = 2/3 x + 5

2/3 x - y = -5

Multiply both sides by 3 to have integer coefficients.

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

2x - 3y = -15

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Answer:

90

Step-by-step explanation:

You can find the answer by dividing 9 by .10

9 / .10 = 90

To check your answer, you can multiply 90 by .10

90 x .10 = 9

Answer:

n=3

Step-by-step explanation:

2:6=1:3

divide by 2 on both the 2 and the six and 2/2=1 and 6/2=3 so n=3

Answer:

1:3

Step-by-step explanation:

So, what you need to do is figure out the common factor of 2 and 6

which then the answer comes out to 3, so your answer would be 1:3 ratio.

Brainliest thx

Using the distance formula, the distance between the pair of points A(0,0) and B(15,20) is 25 units

Given,

The points = A(0,0) and B(15,20)

We know the distance formula = [tex]\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2} }[/tex]

Substitute the values in the equation

The distance = [tex]\sqrt{(15-0)^{2}-(20-0)^{2} }[/tex]

[tex]=\sqrt{15^{2}+20^{2} } \\=\sqrt{225+400}\\ =\sqrt{625}[/tex]

=25 units

Hence, using the distance formula, the distance between the pair of points A(0,0) and B(15,20) is 25 units.

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Answer:

3.24x10^-5,    5.48x10^-2,    1.2x10^1,      4.68x10^6,         8.34x10^6

Step-by-step explanation:

3.24 x 10^-5 = 0.0000324

5.48 x 10^-2 = 0.0548

1.2 x 10^1 = 12

4.68 x 10^6 = 4680000

8.34 x 10^6 = 8340000

 The result of the evaluation of the series described by 1/2, 3/2, 5/2, . . . . . . . , 15/2 is:

∑ = 28

A series is the summation of a set of numbers or sequences.

The sigma notation is a mathematical operation used to determine the final value of the sum of "n" terms consecutively, when dealing only with numbers without variables this is known as an arithmetic series.

The equation for this type of problem is:

∑ = n(a1 + an)/2

 Our values are:

1/2, 3/2, 5/2, . . . . . . , 15/2

∑ = 7(1/2 + 15/2)/2

∑ = 7(8)/2

∑ = 28

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Option c is the correct answer. Sam's total earning for the day is equal to

E(n) = 2.5n + 24

Given data

Sam earning per hour = $6

Sam earning on tips per person = $2.5

Sam's total hour per day =4

Sam's daily earning excluding tips = Sam earning per hour * Sam's total hour per day

= $6 * 4 hours = $24

If n represents the number of people Sam serves that day, then Sam's earnings on tips in a day = $2.5 * n = $2.5n

The function for Sam's total earning is given by  E(n)

E(n) = Sam's daily earning excluding tips +  Sam's earnings on tips in a day

E(n) = $24 + $2.5n

this is re arranged as

E(n) = 2.5n + 24

Therefore we can say that Sam's total earning for the day is equal to

E(n) = 2.5n + 24

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Complete question

Sam is a waiter at a local restaurant where he earns wages of $6 per hour. Sam figures that he also earns about $2.50 in tips for each person he serves. Sam works 4 hours on a particular day. If n represents the number of people Sam serves that day, which of the following functions could Sam use to figure E, his total earnings for the day?

A. E(n) = 2.5n

B. E(n) = 4n + 10

C. E(n) = 2.5n + 24

As per latent heat, size of 11.61 BTUH is required to complete the whole action.

Let's assume the ice was at 32° F. So, 144 BTU/lb is required as latent heat. To melt ice and make it 32°F water required BTU is:

10 × 144 = 1440 BTU ( m× l = H where m is the mass and l is the latent heat )

To, convert 10°F ice to 32°F ice required heat is,

10×0.5035× ( 32° - 10°) = 110.77 BTU ( H = msΔt, m= mass, s = specific heat of ice, and Δ t = difference in temperature which is, 32° - 10° = 22°)

Now, to convert 32°F water to 212°F water required heat is:

10×1×180 = 1800 BTU ( SPECIFIC HEAT OF WATER IS 1 and Δt = 212-32 = 180°F )

To covert 212°F water to 212°F steam the required heat is,

10 × 970 = 9700

Now, to convert 212°F steam to 400°F steam, the required heat is ;

10 × .47 × 188 = 883.6 BTU ( The specific heat if steam is .47, Δt = 188°F )

Now total heat is, 883.6 BTU +9700 BTU + 1800 BTU + 110.77 BTU + 1440 BTU = 13934 BTU

Required power to convert it within 20 min. or 1200 sec is,

13934/1200 = 11.61 BTUH.

We can now say that, if 10 pounds of ice starts at ten degrees and is changed to steam at 400 degrees in twenty minutes, 11.61 BTUH is required.

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Answer:

£41.20

Step-by-step explanation:

Pack of 10 x 8 = 80

(I got the 8 from 84)

80 divided by 2 = 40

then all you need are 4 pencils = 1.20

40 + 1.20 = 41.20

Hope this makes sense aha, if it doesn't just contact me :) xx

Answer:

Answer: Option 3

Step-by-step explanation:

like radicals are radicals that have the same root number and the same 'radicand' (number or expression under the square root)