ricki is working a part-time job this summer. the table shows how many hours she worked each day during her first week.

Monday: 4 hours
Tuesday: 0 hours
Wednesday: 5 hours
Thursday: 5 hours
Friday: 0 hours
Saturday: 3 hours
Sunday: 3 hours
This week is representative of how many hours ricki will work each week during the summer. If she earns $9 per hour and there are 12 weeks during her summer, what will ricki’s gross earnings be? Explain your reasoning

Answer: 637 sq. in.

Step-by-step explanation: it was right on my quiz

Answer:

B

hope this helps :D

In a rhombus, the diagonals intersect at an angle of 90º.

Let O be the intersection of both diagonals.

Since the diagonals on a parallelogram intersect at the middle point, and all the sides of a rhombus have the same meaure, then all the triangles that are formed (ROS, TOS, TOQ, ROQ) are congruent.

Then, we know that:

Since the angles 3 and 2 are complementary angles, then:

Since the angles 4 and 3 are congruent, then:

Therefore:

The question refers to the plot of the plate's function of the angle of inclination. When the hot side is tilted both upward and downward over the range of +90°, the discontinuous formulas must be used in different ranges of 0.

It refers to the plot of the function of the angle of inclination of a plate. It is a graph that shows the relationship between the angle of inclination and the plate's function. A plate is tilted on its hot side both upward and downward over a range of +90°. The graph shows that different discontinuous formulas are needed for different ranges of 0. A discontinuous formula refers to a formula that consists of two or more parts, each with a different equation. The two or more parts of a discontinuous formula have different ranges, such that each range requires a different equation. These formulas are used in cases where the same equation cannot be applied throughout the entire range.

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Answer:

-8p ≥ -56

=> p ≤ 7

Step-by-step explanation:

Using all the guidelines of drawing a curve skitching in this section, the sketch of curve, y = ³√x² - 25 is present in above figure. So, option(c) is right answer here.

In geometry, curve sketching (or curve tracing) are methods for producing a rough idea of overall shape of a plane curve. We have a curve equation, f(x) or

\(y = \sqrt[3]{x² - 25}\). Guidelines or important points for curve sketching :

As we see provide equation or function has no point of discontinuity and domain is set of reals.

If x = 0 , then y = 0 so y-intercept= 0. Similarly, when y = 0 then x = ±5.

The value of f( -x) = \( \sqrt[3]{ { x}^{2} - 25} \) = f(x) ( since (-1)² = 1 ) , so, then y is even and symmetric about the y−axis.

Differentiating equation (1), \( \frac{dy}{dx} = \frac{1}{3 }( x²- 25)^{-2/3}2x \)

Now, plug dy/dx = 0 for determining the critical points, \( \frac{1}{3} ( x²- 25)^{-2/3}2x = 0\)

So, critical points are x = 0, 5, -5.

Differentiating again, equation,

\(f''(x) = \frac{ - 4x² }{3}( x² - 25)^{-5/2} + \frac{2}{3}( x² - 25)^{-1/3} \\\)

\(f''(x) = \frac{ - 4x² }{3}( x² - 25)^{-5/2} + \frac{2}{3}( x² - 25)^{-1/3} \\ \)

At x = 0, f"(x) = y"(x) < 0, and

points of inflation are \(f''(x) = \frac{ - 4x² }{3}( x² - 25)^{-5/2} + \frac{2}{3}( x² - 25)^{-1/3} = 0\\ \)

\( \frac{2}{3}( x² - 25)^{-1/3} = 0 \)

so, x = ±5. Hence, the required sketch present in above figure.

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Complete question:

The above figure complete question.

use the guidelines of this section to sketch the curve. y = ³√x² − 25.

Answer:

375.6

Step-by-step explanation:

Answer:

g(-13) = 20 is the answer.

Step-by-step explanation:

x=-13 is in our domain and 20 is also in our range. So this is true for g

Answer:

1) 6.28

2) 62.8

Step-by-step explanation:

Multiply pi by the diameter to get the circumfrence.

Answer:

6.28in and 62.8m

Step-by-step explanation:

C = d(3.14)

C = 2(3.14) = 6.28

C = 20(3.14) = 62.8

Answer: 225°

Step-by-step explanation:

To convert radians to degrees, multiply by 180/π (1 rad = 180° )

(5π/4) * (180/π/) = 225°

The volume of the Illustrated cone used as an example is 51.3cm³.

Volume is a measurement of three-dimensional space that is occupied. It is frequently expressed numerically using SI-derived units, as well as different imperial or US-standard units. Volume and the definition of length are related.

A cone is a recognizable three-dimensional geometric shape with a flat and curved surface that is pointed upward. The formula for the volume of a cone is V=1/3hπr²

Let's say the radius is 7cm. The volume will be:

= 1/3 × 3.14 × 7²

= 51.3cm³

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Answer:

Step-by-step explanation:

The points lie on a straight line and go through the origin

Answer:

Amount left = $5.5

Step-by-step explanation:

Given:

Total amount = $20

Spend for admission = $5.50

Spend for rent = $3.75

Spend for 2 bottle = $1.25 each

Spend for snack = $2.75

Find:

Amount left

Computation:

Amount left = Total amount - Spend for admission - Spend for rent - Spend for 2 bottle - Spend for snack

Amount left = $20 - $5.5 - $3.75 - 2($1.25) - 2.75

Amount left = $5.5

Answer:

Amount left = $5.5

Step-by-step explanation:

Answer:

11%

Step-by-step explanation:

60 - 54 = $6 The tip is $6 since they were meant to pay $54 but gave $6 extra.

The bill is $54.

6/54 = 0.1 recurring

0.1 × 100 = 11.1%

11% is the percentage.

I hope that helps!! ^-^

The probability that the coin will show tails and the cube will show a three, four, or six is 1/4.

The probability of two independent events occurring, we multiply their individual probabilities.

Let's start by determining the probability of the coin showing tails.

Since it is a fair coin, there are two equally likely outcomes: heads or tails.

The probability of the coin showing tails is 1/2.

Next, we consider the number cube.

It is a standard six-sided die, and we want to find the probability of rolling a three, four, or six.

Out of the six possible outcomes (numbers 1 to 6), three of them satisfy our condition (3, 4, and 6).

The probability of rolling a three, four, or six is 3/6 or 1/2.

Now, we can find the probability of both events occurring by multiplying the probabilities together:

P(Tails and 3, 4, or 6) = P(Tails) × P(3, 4, or 6)

= 1/2 × 1/2

= 1/4

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The combination and permutations computed shows that the number of ways that the volunteers can be assigned is 120120.

From the information given, the number of ways that the volunteers can be assigned will be:

= 14C3 × 11C4 × 7C7.

= (14 × 13 × 12)/6 × (11 × 10 × 9 × 8)/24

= 120120

Also, the number of ways that the volunteers can be assigned so that Mary and Martha are not at the same station will be:

= 12C1 × 11C4 × 7C7

= 12 × 330 × 1

= 3960

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Answer:

The answers are, in order:

1. Isolate

2. substitute

3. variable

Step-by-step explanation:

You're welcome :)

Answer:

between 6 and 7

hope it helps you budy

Answer:

6 and 7

Step-by-step explanation:

Given that the square root of 40 is 6.32..., the decimal is between 6 and 7.

There are 10 largest two-digit numbers in this sum.

Combining objects and counting them as one big group is done through addition. In arithmetic, addition is the process of adding two or more integers together. Addends are the numbers that are added, and the sum refers to the outcome of the operation.

Given:

The sum of the largest one-digit number and the several largest two-digit number is the sum of the largest three-digit number.

The largest one-digit number is 9.

The largest two-digit number is 99 and the largest three-digit number is 999.

So, 99 added 10 times to itself gives 990.

And 990 + 9 = 999.

Therefore, we need the sum of the 10 largest two-digit numbers.

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The largest open interval where the function f(x) = 1/(x^2+1) is increasing is (-∞, 0) ∪ (0, ∞). On this interval, the function is increasing from negative infinity to zero and from zero to positive infinity.

Explanation:

To find where the function is increasing, we need to find where the first derivative of the function is positive. Taking the derivative of f(x), we get:

f'(x) = (-2x) / (x^2 + 1)^2

The denominator of this expression is always positive, so the sign of f'(x) is determined by the numerator. The numerator is negative for x < 0 and positive for x > 0. Therefore, f(x) is decreasing on (-∞, 0) and increasing on (0, ∞).

We also need to check the endpoints of these intervals to make sure that the function is increasing on the entire interval. As x approaches negative infinity, the function approaches 0, and as x approaches positive infinity, the function approaches 0. Therefore, the function is increasing on (-∞, 0) ∪ (0, ∞).

In summary, the largest open interval where the function f(x) = 1/(x^2+1) is increasing is (-∞, 0) ∪ (0, ∞). On this interval, the function is increasing from negative infinity to zero and from zero to positive infinity.

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Number of students per van = v

Number of students per bus = b

Equation 1: 7v + 10b = 332

Equation 2: 4v + 15b = 459

Solving for b equation 1:

7v + 10b = 332 ==> 10b = 332 - 7v ==> b = (332 - 7v)/10

Using this value into equation 2:

4v + 15b = 459 ==> 4v + 15(332 - 7v)/10 = 459 ==> 40v + 15(332 - 7v) = 4590

40v + 4980 - 105v = 4590 ==> -65v = 4590 - 4980 = -390

v = 390/65 = 6

v = 6

Using this value in the expression we found for b:

b = (332 - 7v)/10 = (332 - 7*6)/10 = (332 - 42)/10 = 290/10 = 29

b = 29

Answer:

Students in each van = 6

Students in each bus = 29

Answer:

-0.95238095238???????

Answer:

129

Step-by-step explanation:

the sum of the interior angles of a quadrilateral is 360, so you add 71+112+48 and subtract it from 360 to get x

Based on the given information, we know that a new hair cream was tested on a random sample of people who were either bald or currently losing their hair.

The results of the test showed that a certain percentage of people either started growing back hair or stopped losing their hair, but there was a margin of error of which means that the results could vary by that amount. Unfortunately, we do not have the specific percentage of people who saw an improvement in their hair growth, but we do know that the margin of error is . This means that if the test were to be repeated with another sample of people, the results could vary by that amount in either direction. Therefore, we cannot give an exact number of people who are expected to see an improvement in their baldness if the new hair cream is administered to people. However, we can estimate that between [dropdown1] and [dropdown2] people are predicted to see an improvement in their hair growth based on the results of the test and the margin of error.

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Answer:

drop down 1: 2226

drop down 2: 3241

Step-by-step explanation:

Step-by-step explanation:

I can help you, but first make me brainliest

Equations of vertical lines are those in which there is no change in the horizontal direction, i.e., parallel to the y-axis. The equation is always x = a, where a is any constant.

For example, x = 3, x = 2, etc. Let's check the given options:A. x - y = 0 can be rewritten as x = y. This is not a vertical line equation.B. Ox + 2y = 2 can be rewritten as 2y = - Ox + 2 or y = - (O/2)x + 1. This is not a vertical line equation.C. 3x + Oy = 7 can be rewritten as 3x = 7 - Oy or x = (7 - Oy)/3. This is not a vertical line equation.D. 2x - y = 2 can be rewritten as y = 2x - 2. This is not a vertical line equation.E. x + Oy = 7 can be rewritten as y = (7 - x)/O. This is not a vertical line equation.F. Ox + 4y = 8 can be rewritten as Ox = 8 - 4y or x = 8/O - 4(O/1)y/O or x = 8/O - 4y. This is a vertical line equation.G. 12x + Oy = 24 can be rewritten as Oy = - 12x + 24 or y = - (12/O)x + 24/O. This is not a vertical line equation.The equations of vertical lines are x = 8/O - 4y and option (F) is correct.Answer: Option (F).

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A basis for the subspace of R4 consisting of all vectors perpendicular to v is [-7/9, 1, 0, 0], [-2/9, 0, 1, 0], [1/3, 0, 0, 1].

We can find a basis for the subspace of R4 consisting of all vectors perpendicular to v by solving the homogeneous system of linear equations Ax = 0, where A is the matrix whose rows are the components of v and x is a column vector in R4.

The augmented matrix [A|0] is:

| 9 7 2 -3 | 0 |

||

||

||

||

We can row reduce the augmented matrix using elementary row operations to get it in reduced row echelon form.

| 1 7/9 2/9 -1/3 | 0 |

||

||

||

||

We can write the solution as a parametric vector form:

x1 = -7/9s - 2/9t + 1/3u

x2 = s

x3 = t

x4 = u

where s, t, and u are arbitrary constants.

Therefore, a basis for the subspace of R4 consisting of all vectors perpendicular to v is:

[-7/9, 1, 0, 0], [-2/9, 0, 1, 0], [1/3, 0, 0, 1]

These vectors are linearly independent and span the subspace of R4 perpendicular to v.

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Answer:

23560

Step-by-step explanation:

3% of 19k is 570

570*8=4560

4560+19000=23560

Answer:

x

x

are the same

Step-by-step explanation:

when you plug in g(x) into f(x)

f(x)=16((1/4)(x)^.5)==x

then vice versa

g(x)=(1/4)((16x^2)^.5)==x

They are the same and, therefore, inverses of each other.

Answer:

b

Step-by-step explanation: