A group of hikers starts at an elevation of 2.53 kilometers. When they stop for lunch, their elevation has increased by 1.24 kilometers. When they stop to camp, their elevation has decreased by 0.53 kilometer compared to their lunch stop. Which expressions represent the elevation, in kilometers, of the group’s campsite?

UPDATED:

Plato users: answer is now A:

"The 3rd nap is the least consistent in duration because its

standard deviation is the highest."

they just shuffled the answers, the answer choice itself is still the same, just a dif letter choice

< 26 / Jan / 2022 >

The correct answer is the last one, that the 3rd nap is the least consistent in duration because its standard deviation is the highest.

Standard deviation is a measure of variation from the mean; it tells how different values are from the mean.  

We have given that,

A mother tracks the duration of her baby's three daily naps for a few weeks. The mean time, in minutes, and the standard deviation, SD, for each nap are recorded in the table below.

Now, For that nap to have a higher standard deviation means that its values were on average more different from the mean than the others.

Thus, The correct answer is the last one, that the 3rd nap is the least consistent in duration because its standard deviation is the highest.

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Answer:

1) Yes

2) No

3) Yes

4) No

5) No

6) Yes

7) Yes

8) No

Step-by-step explanation:

Each equation must be increasing or decreasing by a constant amount in order for it to be linear. Graphing these equations, you can see that the linear equations will be a straight line.

Answer:

x = 62

Step-by-step explanation:

Because of the given congruent sides, the base angles both measure x.

x + x + 56 = 180

2x = 124

x = 62

if the triangle is an isosceles triangle then x is equal to the other angle that is unknown. So

180-56=124. Since there are still 2 angles left you divide 124/2=62

x=62

On solving the provided question, we can say that - here in graph Between the lowest number, which is 0, and the highest value, which is 5, there is a range. The range is therefore -9=y=5.

Graphs are visual representations or charts used in mathematics to methodically express data or values. A relationship between two or more objects is frequently represented by a point on a graph. A non-linear data structure called a graph is made up of nodes, or vertices, and edges. Connect the nodes, also known as vertices. This graph comprises a set of vertices V= 1, 2, 3, 5, and a set of edges E= 1, 2, 1, 3, 2, 4, and (2.5), (3.5), (4.5). Statistics graphs (bar charts, pie charts, line charts, etc.) Exponential diagrams. triangle graph, a logarithmic graph

There is a range between the minimum value, which is 0, and the greatest value, which is 5. Thus, the range is -9=y=5.

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The relationship exists between N and K are the endpoints of the side KN.

A parallelogram is a geometric object with sides that are parallel to one another in two dimensions.

It is a form of polygon with four sides (sometimes known as a quadrilateral) in which each parallel pair of sides have the same length.

we know that for a parallelogram KLMN is a quadrilateral whose two sides are parallel to each other and has two non-parallel sides.

for N and K we could say that the two are endpoints of the line segment KN; which is one of a side of a parallelogram KLMN.

Therefore, The relationship exists between N and K are the endpoints of the side KN.

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Answer:

D. 3

Step-by-step explanation:

The slopes of parallel lines are the same.

Answer:

4

Step-by-step explanation:

use the distace formula:

square root of (x2-x1)^2 + (y2-y1)^2

give brainliest please

Answer:

I think one of the easiest ways to check the answer to a factoring problem is to foil. This will tell you if you factored correctly. Once you have answers you put the answers back into the original equations to see if both sides are equal. These are very general ideas.

Hope this help you!:)

Answer:

  f⁻¹(x) = 3/2x +9

Step-by-step explanation:

You want the inverse of the function f(x) = 2/3x -6.

The inverse function can be found by solving for y:

  x = f(y)

Here, that is ...

  x = 2/3y -6

  x +6 = 2/3y . . . . . . . . . . . . . . add 6

  y = 3/2(x +6) = 3/2x +9 . . . . multiply by 3/2

The inverse function is f⁻¹(x) = 3/2x +9.

__

Additional comment

Sometimes the division symbol ÷ is used to mean "divided by everything after this symbol." If that is the intended meaning, the function should be written as f(x) = 2/(3x -6) or f(x) = 2÷(3x -6).

We have interpreted the symbol according to the order of operations, which tells us that 2÷3x-6 means ((2÷3)·x)-6.

<95141404393>

Answer:

w = -11/6

Step-by-step explanation:

-8 5/9 = 4 2/3w

-8 5/9  = -77/9

4 2/3 = 14/3

So, our equation is

-77/9 = 14/3w

Divided  both sides by 14/3

w = -11/6

Answer:

y=-3

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-3-(-3))/(3-(-4))

m=(-3+3)/(3+4)

m=0/7

m=0

y-y1=m(x-x1)

y-(-3)=0(x-(-4))

y+3=0(x+4)

y+3=0

y=0-3

y=-3

Answer:

7/100x32000

cancel the two zeros in 100 and 32000

7x320=2240

By dividing we can get proper fraction is 9/10.We can find answer by dividing two fractions.

A proper fraction is a fraction which has its numerator value less than the denominator. For example, ⅔, 6/7, 8/9, etc. are proper fractions.. We simplify fractions because it is always to work or calculate when the fractions are in the simplest form.

To divide a fraction with a whole number  we multiply the given whole number with the denominator of the fraction. Here, 8/5 ÷ 5 = 8/5 × 1/5 = 8/25. Therefore, 8/5 ÷ 5 = 8/25. Because multiplication is easier than division and because division by itself does not always produce whole numbers.

Now we get

1/2 divide 5/9

1/2 * 9/5

9/5

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Answer:

-7/3

Step-by-step explanation:

Parallel lines have same slopes.

Answer:

Yes, the zeros can be used as place holders. When using place holders, the value does not change.

Answer:

(4) (c) 5,893 SO00

(0) 9,990

(b) 3,59

(a) 6,298 200​

Step-by-step explanation:

Given that

The value of the digits is

(4) (c) 5,893 SO00

(0) 9,990

(b) 3,59

(a) 6,298 200​

We need to write the value of the digits in bold

So,

(4) (c) 5,893 SO00

(0) 9,990

(b) 3,59

(a) 6,298 200​

in this way the value of the digits can be bold

Answer: 78°

Similar triangles are different from congruent triangles. Congruent triangles have equal angles and sides, while similar triangles have equal angles and proportional side lengths. In this case, because the triangles are similar, the angles should be equal. The sum of the angles of triangles are always 180°. Because triangle ABC has angle measures of 28° and 74°, the equation should appear as 28+74+x=180. Add the like terms to get 102. Subtract 102 on both sides to get x=78. Although we only solved for Triangle ABC, again, similar triangles have the same corresponding angle measures, so it applies to Triangle DEF, as well.

Approximately 300 plants are made pharmaceuticals currently under different stages of discovery.

Why do you use the term pharmaceutical?

pharmaceutical, material used for repairing, changing, or treating organic processes as well as for illness diagnosis, treatment, or prevention. Pharma (Bachelor of Pharmacy): Course, Qualifications, Admission, Syllabus, Pay, and Scope.

What function do drugs serve?

Drugs are created, produced, and distributed by the pharmaceutical business. Its goal is not to define sickness. Drug manufacturers typically focus on ailments that have already been identified by the medical community.

                          The positive side effects of medications, such as those that lower blood pressure, treat infections, or reduce pain, are considered their advantages. The possibility that anything unfavorable or unexpected will occur to you as a result of using a medication is what we mean by "risks."

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Answer: 8 3/4 because first find your common denominator, then solve the math and you will get 8 3/4

Answer:

No, it is not true

Step-by-step explanation:

y ≤ 5x + 4

We know a point is (1,10), we need to put the 1 in for x and the 10 in for y to see if the inequality is true or not!

10 ≤ 5(1) + 4

10 ≤ 5 + 4

10 ≤ 9

This is not True!

Answer: nope

Step-by-step explanation:

The resulting polynomial in standard form (b)  –4g^4 –3g³ +4g² +5g +3

Suppose the considered polynomial is of only one variable.

Then, the standard form of that polynomial is the one in which all the terms with higher exponents are written on left side to those which have lower exponents.

The simplification process is described and partially carried out. We are to finish by combining like terms and writing the result in standard form.

Given

Add: (g² – 4g^4 + 5g + 9) + (–3g³ + 3g² – 6)

Combine Like Terms

g²  + (–4g^4) + 5g + 9 + (–3g³) + 3g²  + (–6)

The like terms are the g² terms and the constants;

= (1 +3)g² + (–4g^4) +5g +(9 +(–6)) +(–3g³)

 = 4g² +(–4g^4) +5g +3 +(–3g³)

Write in Standard Form

In this form, the terms are written in order of decreasing degree.

= –4g^4 –3g³ +4g² +5g +3

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According to the pattern Brett receives points as follows 5,10,15,20,25,30,35 and according to the pattern of Yolanda, Yolanda receives points as 25,60,95,130,165,200,235 .

What is recursion  ?

It is a process in which it calls itself to solve the given problem is called as recursion.

The recursive formula to find the nth term of a geometric sequence is:

an = an-1 * r for n ≥ 2

In Brett's case,

if n=2

a2 = a1 * r  

given a2 = 10 a1 =5

10 = 5 *d

d=2

a4 = a3 * d = 20*2 = 40

a5 = a4*d = 40*2 = 80

a6 = a5*d = 80*2 = 160

a7 = a6 * d = 160*2 = 320

In Yolanda case,

The recursive formula to find the nth term of an arithmetic sequence is:

an = an-1 + d for n ≥ 2

if n=2

a2 = a1 + d

60 = 25 + d

d = 35

a4 = a3+d = 95 + 35 = 130

a5 = a4+d = 130 + 35 = 165

a6 = a5+d = 165 + 35 = 200

a7 = a6 +d = 200 + 35 = 235

Hence the pattern in Brett's case could be 5,10,15,20,25,30,35 and in Yolando's case could be 25,60,95,130,165,200,235 .

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According to the pattern Brett receives points as follows 5,10,15,20,25,30,35 and according to the pattern of Yolanda, Yolanda receives points as 25,60,95,130,165,200,235 .

It is a process in which it calls itself to solve the given problem is called as recursion.

The recursive formula to find the nth term of a geometric sequence is:

an = an-1 * r for n ≥ 2

In Brett's case,

if n=2

a2 = a1 * r  

given a2 = 10 a1 =5

10 = 5 *d

d=2

a4 = a3 * d = 20*2 = 40

a5 = a4*d = 40*2 = 80

a6 = a5*d = 80*2 = 160

a7 = a6 * d = 160*2 = 320

In Yolanda case,

The recursive formula to find the nth term of an arithmetic sequence is:

an = an-1 + d for n ≥ 2

if n=2

a2 = a1 + d

60 = 25 + d

d = 35

a4 = a3+d = 95 + 35 = 130

a5 = a4+d = 130 + 35 = 165

a6 = a5+d = 165 + 35 = 200

a7 = a6 +d = 200 + 35 = 235

Hence the pattern in Brett's case could be 5,10,15,20,25,30,35 and in Yolando's case could be 25,60,95,130,165,200,235 .

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The linear function that model this problem is y = 10x + 15 and in standard form is 10x - y = -15

A linear equation is an algebraic equation in which each term is either a constant or a product of a constant and a single variable. It is of the form ax + b = 0, where a and b are constants and x is a variable.Sometimes, a linear function can also be said to be a linear equation which is an equation that can be written in the form Ax + By = C, where A, B, and C are constants and x and y are variables. Linear equations are used to describe relationships between two variables, and they can be used to solve a wide range of problems.

In this problem, we can write an equation in slope-intercept form.

This can be modelled in y = mx + c

To model the problem,

y = 10x + 15

a) To rewrite the problem in another form of linear equation, we can write this in the standard form.

Ax + By = C

10x - y = -15

b) The graph of the problem is attached below

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Answer:

perpendicular

Step-by-step explanation: