Please help, which is the correct answer?

The best predicted weight of a person that is 156 cm is 285.4kg

y= 106+1.15

When the adult male is 156 cm tall the weight of this person would be calculated as:

y= 106+1.15*156

y = 106 + 179.4

y = 285.4

Hence we can arrive at the conclusion that the best predicted weight of a person that is 156 cm is 285.4kg

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Answer: 0.14

Step-by-step explanation:

5/(25+5+5)=0.14

The probability of senior taking the bus = 0.1 .

Probability is the study of likeliness of an event to occur. It has a range from 0 to 1. 0 means uncertainty and 1 indicates certainty.

It is given that

Sophomore , Junior and Senior probability table , if they drive to the school , Take the bus or walk.

It has been asked to determine the probability if senior take the bus

The favorable outcomes of this event is 5

The total outcome of this event is 5 + 20+25 = 50

The probability = Favorable Outcome / Total outcome

Probability = 5 / 50

P(Take the bus | Senior)  = 1/10 = 0.1

Therefore the probability of senior taking the bus = 0.1 .

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Answer:

$14.7

Step-by-step explanation:

Given: Total = $58.80, Tax = $5.20

To find: The price of each CD before tax

Solution: The total price of the 4 CDs can be determined first by subtracting the tax from the total paid;  

$58.80 - 5.20 = $53.6

To find the price of each CD before tax, divide $58.80 by  4:

$58.80 ÷ 4 = $14.7

The price of each CD was $14.7 before tax.

Answer:

E

Step-by-step explanation:

45-165n

15(3-11n)

basically

45/15=3. 165/15=11

Ellie's growth rate is 2.4 pounds per month.

To find Ellie's growth rate in pounds per month, we divide the change in weight by the time period. Let's calculate it using the given information:

Determine the change in weight:

Change in weight = 0.6 pounds

Determine the time period:

Time period = 0.25 months

Calculate the growth rate:

Growth rate = Change in weight / Time period

Substituting the values:

Growth rate = 0.6 pounds / 0.25 months

To divide by a fraction, we multiply by its reciprocal:

Growth rate = 0.6 pounds * (1 / 0.25 months)

Simplifying the fraction:

Growth rate = 0.6 pounds * 4 months

Multiplying:

Growth rate = 2.4 pounds per month

Therefore, Ellie's growth rate is 2.4 pounds per month. This means that, on average, she gains 2.4 pounds every month.

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Answer:

C:0.24

Step-by-step explanation:

The system has an infinite number of solutions, but the only solution is (a, b) = (0, 0).

The given system of equations can be solved using the substitution method. We can begin by solving the first equation,\(a^2 + b^2\), for either a or b. Let's solve for a:

\(a^2 + b^2 = 0\)

\(a^2 + b^2 = 0\)

\(a^2 = -b^2\)

\(a = \pm\sqrt(-b^2)\)

We can substitute this expression for a into the second equation, \(3a^2 - 2ab - b^2 = 0\), and simplify:

\(3(\pm\sqrt(-b^2))^2 - 2(\pm\sqrt(-b^2))b - b^2 = 0\)

\(3b^2 - 2b^2 - b^2 = 0\)

0 = 0

Since 0 = 0, this means that the system of equations has an infinite number of solutions. In other words, any values of a and b that satisfy the equation \(a^2 + b^2 = 0\) will also satisfy the equation \(3a^2 - 2ab - b^2 = 0\)

However, the equation \(a^2 + b^2 = 0\) only has a single solution, which is a = b = 0. Therefore, the solution to the system of equations is (a, b) = (0, 0).

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Answer:

the temperature at which a liquid boils and turns to vapor.

Step-by-step explanation:

Boiling point is the temperature at which the liquid will boil and turn into vapor.

Answer:

$448

Step-by-step explanation:

This can be solved simply by using multiplication:

28 (chairs) x 16 (dollars per each chair) = 448 (dollars total)

Hope it helps! :)

Answer: Statistic

Step-by-step explanation: The difference between a parameter and statistic lies in the set of observation from which either quantity is derived. The parameter represents numerical values which are derived by examining or considering an entire population while the statistic is used to define numerical quantities derived from subset of the population called the sample. In the scenario described above, the population of interest would be the entire population of student and hence statistical derivations made would be called parameters. However, the scenario only experimented using student from two different classes which is a subset of the entire population of student. Hence, the obtained mean values of 25.40 and 20.41 for students in the formal and informal classes are categorized as statistic.

Answer:

Step-by-step explanation:

This is

96/8 + { 2(5-7)^2 + 4 }

96/8 is 96 divided by 8, and that is 12. (All fractions are really division.)

So now we have 12 + { 2(5-7) }^2 + 4 }

For the order of operation, we use PEMDAS (Please excuse my dear Aunt Sally) to remember the order in which we do things - Parentheses, Exponents, Multiplication and Division, Addition and Subtraction.

When we have multiple parentheses (or other grouping symbols like square brackets), we work from the inside out.

Inside all that stuff on the right, the innermost set of parentheses is (5-7), which is just 2. So now we have

12 + { 2*2^2 + 4 }

We read what is inside the parentheses as '2 times 2-raised-to-the-second-power, plus 4'

Inside these parenthese, there are no additional parentheses. So we must take care of the 'E' in PEMDAS, the exponent. 2^2 = 2-squared, which is 4. So now we have

12 + { 2*4 + 4}.  Two times 4 is 8.

12 + {8 + 4}

8+4 = 12, so we get

12+12

And 12+12 = 24.

I hope this helps.

The best advice I can give is to not ask brainly questions on these subjects all questions I looked up were wrong. :/

Question 17

The angles are adjacent and share the same vertex.

The angles are vertical and share the same vertex.

There isn’t enough information to say the triangles are congruent.

The angles are linear and share the same vertex.

Question 18:

WX≃YX

ZXW and ZXY are right angles.

W≃Y

The triangles are not congruent.

Alexander is utilizing a scale of 1 inch : 300 feet for his map.

The Alexander's triangle has a height of 4 inches in inches.

When comparing the initial dimensions as used by alexander, the scale of the map may be determined.

The scale is 1 inch: 300 feet since he used 10 inches to symbolize 3000 feet, this is gotten by diving both sides by 10

Using the scale factor 1 inch: 300 feet, the height of 1200 feet would be.

300 feet per inch, then ? inch is 1200 feet

? * 300 = 1200 * 1

? = 1200 / 300

? = 4 inches

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The correct match for each linear system with one of the phase plane direction fields will be:

1:B

2:C

3:D

4:A

What is plane?

In geometry, a plane is a surface made up of all the straight lines connecting any two locations on it. It is, in other words, a level or flat surface. A plane is uniquely defined in a Euclidean space of any number of dimensions by one of the following: three non-collinear points are used. Other names for it include a two-dimensional surface. A plane has an unlimited width, an endless length, zero thickness, and no curvature. The flat surfaces of a cube or cuboid, as well as the flat surface of paper, are all true instances of geometric planes, despite the fact that it is difficult to envision a plane in real life.

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Answer:

X= 1.091

Step-by-step explanation:

The sixth term of the sequence is 320

The definition of the function is given as

a₁= 10

aₙ = 2aₙ₋₁

The above definitions imply that we simply multiply 2 to the previous term to get the current term

Using the above as a guide,

So, we have the following representation

a1 = 10

a2 = 2a1 = 2(10) = 20

a3 = 2a2 = 2(20) = 40

a4 = 2a3 = 2(40) = 80

a5 = 2a4 = 2(80) = 160

a6 = 2a5 = 2(160) = 320

Hence, the value of the 6th term is 320

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Answer:

m<BDC = 30°

Step-by-step explanation:

In a rhombus, each diagonal bisects a pair of opposite angles.

That makes angles ADB and BDC congruent.

Segments AD and AC are congruent, so in triangle ADC, angles ADC and ACD are congruent. Angle ADC is made up of congruent angles ADB and BDC, so m<BDC = (1/2)m<ACD.

In a rhombus, the diagonals are perpendicular. That makes triangle DEC a right triangle with right angle DEC. Then, angles BDC and ACD are complementary.

m<BDC + m<ACD = 90

(1/2)m<ACD + m<ACD = 90

(3/2)m<ACD = 90

m<ACD = 60

m<BDC = (1/2) m<ACD = 60/2 = 30

m<BDC = 30°

The function can be defined as  price = 6x

It will cost $150 to buy 25 reams of paper.

The domain of the function is all non-negative real numbers, since the number of reams bought cannot be negative.

The range of the function is all non-negative real numbers, since the price cannot be negative.

Fir 25 items, price = 6(25) = $150

It will cost $150 to buy 25 reams of paper.

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Amount of money earned by Tim when he works for 28 hours is $210, amount of money earned by Tim per hour is equal to $7.50.

As given in the question,

Amount of time Tim works this week is equal to 28 hours

Total money earned by Tim for working 28 hours this week is equal to $210

Amount of money earned by Tim per hour is equal to

28 hours = $210

Divide both the side by 28 to get the per hour rate of Tim's work

( 28 / 28 ) hours = $ ( 210 / 28 )

⇒ 1 hour = $ ( 7.50 )

Therefore, amount of money earned by Tim when he works for 28 hours is $210, amount of money earned by Tim per hour is equal to $7.50.

The complete question is :

"Tim worked 28 hours this week at his part-time job, and earned $210. How much did Tim make per hour?" *

$7.00

$7.25

$7.50

$7.75

Explain how you found your answer. *

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Answer:

\(10\dfrac{5}{8}\)

Step-by-step explanation:

The perimeter of a shape is the sum of the lengths of the sides.

\(2\dfrac{1}{8}+3\dfrac{3}{16}+2\dfrac{1}{8}+3\dfrac{3}{16}=10\dfrac{5}{8}\) yards

Hope this helps!

Answer:

10 5/8

Step-by-step explanation:

The perimeter is the sum of all sides

2 1/8 + 3 3/16 + 2 1/8 + 3 3/16

Add the whole numbers

2 + 3 + 2 + 3 = 10

Add the fractions

1/8+ 1/8 + 3 3/16 + 3 3/16

2/8 + 6/16

1/4 + 3/8

2/8+3/8 = 5/8

Put them back together

10 5/8

According to the solution we have come to find that, The expression \(\sqrt[3]{x^8}$.\) is equivalent to \(x^{(8/3)\) written using rational exponents.

What is expression?

In mathematics, an expression is a combination of symbols and values (numbers, variables, and operators) that represents a mathematical quantity or idea.

The expression \(\sqrt[3]{x^8}$.\) represents the cube root of x raised to the power of 8. To rewrite this expression using rational exponents, we need to remember that the cube root can be written as \(x^{(1/3)\).

So, substituting this into the original expression, we get:

\($\sqrt[3]{x^8}$\) = \((x^{(1/3)})^8\)

Now, we can apply the exponent rule for a power of a power, which tells us to multiply the exponents:

\((x^{(1/3)})^8\) = \(x^{(8/3)\)

Therefore, the expression \($\sqrt[3]{x^8}$\) is equivalent to \(x^{(8/3)\) written using rational exponents.

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Answer:

D. 4

Step-by-step explanation:

1) Subtract 5/8 from both sides.

1/n = 7/8 - 5/8

2) Simplify 7/8 - 5/8 to 1/4.

1/n = 1/4

3) Multiply both sides by n.

1 = 1/4n
4) Simplify 1/4n to n/4.

1 = n/4

5) Multiply both sides by 4.

1 * 4 = n

6) Simplify 1 * 4 to 4.

4 = n

7) Switch sides.

n = 4

Check Answer:

5/8 + 1/n = 7/8

1) Let n = 4.

5/8 + 1/4 = 7/8

2) Simplify 5/8 + 1/4 to 7/8.

7/8 = 7/8

Answer:

2/35

Step-by-step explanation:

\(\frac{9}{35}-\frac{1}{5}=\frac{9}{35}-\frac{7}{35}=\frac{2}{35}\)

The length AC in the kite is 8.7 cm.

A kite is a quadrilateral that has two pairs of consecutive equal sides and

perpendicular diagonals. Therefore, let's find the length AC in the kite.

Hence, using Pythagoras's theorem, let's find CE.

Therefore,

7² - 4² = CE²

CE = √49 - 16

CE = √33

CE = √33

Let's find AE as follows:

5²- 4² = AE²

AE = √25 - 16

AE = √9

AE = 3 units

Therefore,

AC = √33 + 3

AC = 5.74456264654 + 3

AC = 8.74456264654

AC = 8.7 units

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It is a rhombus kind of quadrilateral.

What is quadrilateral?

A quadrilateral has four sides, is two-dimensional (flat), closed (the lines join up), and has straight sides.

A rhombus is a four-sided quadrilateral with all of the features of a parallelogram.

A rhombus has three more characteristics: consecutive sides that are congruent; diagonals that bisect pairs of opposite angles; and diagonals that are perpendicular to one another.

Moving clockwise, beginning at point A in the top left corner of a hypothetical rhombus ABCD, you can see that side AB is congruent to side BC and side CD is congruent to side DA.

Additionally, you can see that diagonals AC and DB are perpendicular to one another and that the rhombus' diagonals split pairs of opposing angles.

Hence, It is a rhombus kind of quadrilateral.

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The requried, Multiplies(with switching factors.) area given below,

a.

693 x 83 = 57489

83 x 693 = 57489

The answer is 57489.

b.

910 x 45 = 40950

45 x 910 = 40950

The answer is 40950.

c.

38 x 84 = 3192

84 x 38 = 3192

The answer is 3192.

d.

409 x 89 = 36401

89 x 409 = 36401

The answer is 36401.

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