HELPPPP MEEE PLEASEEE!!

Answer:

In 14 weeks, they will have the same earnings.

Step-by-step explanation:

y = 55x + 1300 -------- (1)

y = 25x + 1720 -------- (2)

(2) = (1)

55x + 1300 = 25x +1720

55x - 25x = 1720 - 1300

30x = 420

30x ÷ 30 = 420 ÷ 30

x = 14

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x² + 4x + 4 is the completed square form of the given expression.

To complete the square for the quadratic expression x² + 4x, we follow these steps:

1. Take half of the coefficient of the x term (which is 4) and square it: (4/2)² = 2² = 4

2. Add the result from step 1 to the expression, both inside the parentheses and outside: x² + 4x + 4

Now, the expression is in the form of a perfect square trinomial: (x + 2)².

Therefore, x² + 4x + 4 is the completed square form of the given expression.

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Answer:

x = 10.8

Step-by-step explanation:

9 ÷ x = x ÷ (9 + 4)

9 × (9 + 4) = x × x

9 × 13 = x²

117 = x²

x = 10.81665383

Given: f(d) = 11(1.01)d, which will display equation of the radius of the algae.

Simple Equation: What Is It? two phrases along either side of a sign are connected by a mathematical equation. Usually, it only includes one variable and an equal sign. Example: 2x – 4 = 2.

Solution:

Part A: 11.79 = 11(1.01)d(1.01)d(1.01)d(1.01)d(1.01)d= 11.79/11 (1.01)d(1.01)d(1.01)d(1.01)d(1.01)d(1.01)d(1.01)d(1.01)d(1.01)d(1.01)d(1.01)d(1.01)d(1.01)d(1.01)d(1.01)d(1.01)d= 1.071818 d = log 1.0718

When domain = 0 d = 0 f(0) = 11, the y-intercept is found (Part B) (1.01)

^{0}11(1.01)0\s= 11 x 1 = 11 f(d) = 11

Part C: Average rate of change, f/d = (f(7) - f(2)) / (7 - 2) = (11(1.01)711(1.01)211(1.01) 2) / 5 = 0.57 / 5 = 0.114

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Given: f(d) = 11(1.01)d, which will display equation of the radius of the algae.

Simple Equation: What Is It? two phrases along either side of a sign are connected by a mathematical equation. Usually, it only includes one variable and an equal sign. Example: 2x – 4 = 2.

Solution:

Given:

f(d) = 11(1.01)d

To Find:

Part A: When the biologist concluded her study, the radius of the algae was approximately 11.79 mm. What is a reasonable domain to plot the growth function?

Part B: What does the y-intercept of the graph of the function f(d) represent?

Part A:

\(11.79 = 11(1.01)^{d}11(1.01)d\\(1.01)^{d}(1.01)d\\= 11.79/11(1.01)^{d}(1.01)\\= 1.071818\\d = log 1.071818 / log 1.01\\d = 6.97\)

Part B:

y-intercept is obtained when domain = 0

\(d = 0 ⇒ f(0) = 11(1.01)^{0}11(1.01)0\\= 11 x 1 = 11\\f(d) = 11\)

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The translation 1 unit left of f ( x ) =–7x+10  then g(x) is -7x + 3.

A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction either in its range(involving values of y) or in its domain(involving values of x).

The up and down movements are in the vertical direction by the y coordinate.

The left and right movements are in the horizontal direction by the x coordinate.

When translating a graph, adding units moves the graph to the left, and eliminating units moves the graph to the right.

hence we say that;

f(x) = –7x+10

g(x) = f(x + 1)

= –7(x + 1)+10

= -7x - 7 + 10

= -7x + 3

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Answer:

(If you need the actual explanations for each one, just ask in comments)

Step-by-step explanation:

1: D

2: G

3: A (60/100 = 6/10 = 3/5)

4: H (Min = 18, Q1 = 19, Median = 23, Q3 = 24, Max = 26)

5: C (2:6 = 1:3; 3:9 = 1:3)

6: J (2:15 = 10:75; multiply each side by 5)

7: A (A & B: 6*2/3 = 4, 4 < 6, 4 not > 6. C: 6*3/2 = 9, 9 not < 6. D: 6*3/3 = 6 not > 6).

Answer:

Angle C = 60°

Step-by-step explanation:

Since the total degree of a triangle is 180°, and to find x, will have to divide it 180° by 6 because there is a total of 6x in the triangle.

x = 180° ÷ 6 = 30°

Angle C = 2x = 60°

There are total 10 ordered pairs of (a,b) , where a , b are subsets of {1,2,3,4,5}.such that |a| * |b| = 4.

To find this, we need to consider the possible values for |a| and |b|.

The only pairs that multiply to 4 are (1, 4) and (2, 2).

Case 1: |a| = 1 and |b| = 4.
There are 5 ways to choose a single element for set 'a' from the given set.

For each choice of 'a', there will be only one set 'b' consisting of the remaining 4 elements. So, there are 5 ordered pairs for this case.

Case 2: |a| = 2 and |b| = 2.
There are 10 ways to choose 2 elements for set 'a' from the given set (by using combinations: ⁵C₂). For each choice of 'a', the set 'b' will consist of the remaining 3 elements.

However, we only need to count distinct ordered pairs, and switching the elements between 'a' and 'b' gives us the same ordered pair. So, we divide by 2 to account for this duplication. Thus, there are 10 / 2 = 5 ordered pairs for this case.

In total, there are 5 (Case 1) + 5 (Case 2) = 10 ordered pairs (a, b) where a, b are subsets of {1, 2, 3, 4, 5}, and |a| * |b| = 4.

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Answer:

{1, 0, 16}

Step-by-step explanation:

given..

j(x) = x^2-2x+1

put all given values of domain (1,0 and 5 ) in the equation..

the values you get are range of the function

Answer: 1

Step-by-step explanation

0(2)-2(0)+1=0+0+1= 1

1(1)-(2)(1)+1=1-2+1= 1

(5)(2)-(2)(5)+1=10-10+1= 1

Here is a question similar to it with the work it should be able to help you. Just plug in the numbers!!!

Tim is designing a logo. The logo is a polygon whose shape is a square attached to an equilateral triangle. The square and the equilateral triangle have side lengths of 2 centimeters, and the equilateral triangle has a height of about 1.7 cm. Find the area of the logo.

HOPE THIS HELPPPPPSSS!!

The value of a lies between 90.8209 and 91.0116 is 91. Then the correct option is C.

Inequality is simply a type of equation that does not have an equal sign in it. Inequality is defined as a statement about the relative size as well as is used to compare two statements.

The inequality is given as

9.53 < √a < 9.54

On squaring both sides, we have

  9.54² > a > 9.53²

91.0116 > a > 90.8209

Thus, the value of a lies between 90.8209 and 91.0116 is 91. Then the correct option is C.

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Answer:

the answer is C

Step-by-step explanation:

i got it right.

Answer:

Red = 43 more picket

Green = 49 more picket

Yellow = 66 more picket

Blue = 75 more picket

Step-by-step explanation:

Red = 32

Green = 26

Yellow = 9

Blue = 0

Total picket Dana needs = 300

She wants equal amounts of each of her four selected colors.

Each color = 300/4

= 75 picket per color

How many more of each color does Dana need to buy?

Red = 32

= 75 - 32

= 43 more

Green = 26

= 75 - 26

= 49 more

Yellow = 9

= 75 - 9

= 66 more

Blue = 0

= 75 - 0

= 75 more

Red = 43 more picket

Green = 49 more picket

Yellow = 66 more picket

Blue = 75 more picket

Answer:

Hope the pictures will help you.

The solution to the system of equations is x = -2 and y = 5.

Given the parameters:

7y - 5x = 45

x = 8 - 2y

To solve the system of equations, substitute the expression for x from the second equation into the first equation.

7y - 5x = 45

Plug in x = 8 - 2y:

7y - 5( 8 - 2y) = 45

7y - 40 + 10y = 45

Collect and add like terms:

7y + 10y = 45 + 40

17y = 85

y = 85/17

y = 5

Plug the value of y into the second equation and solve for x:

x = 8 - 2y

Plug in y = 5:

x = 8 - 2( 5 )

x = 8 - 10

x = -2

Therefore, the value of x is -2 and y is 5.

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In a radial distribution function, the nodes represent the distances between atoms in a crystalline material.

The radial distribution function (RDF) is a measure of the probability of finding an atom at a given distance from a reference atom. It provides information about the arrangement and spatial distribution of atoms in a material.

The nodes in the RDF graph correspond to specific distances from the reference atom. These distances represent the separation between atoms and are typically measured in terms of interatomic distances or bond lengths. The heights or values of the RDF at these nodes indicate the likelihood of finding an atom at that particular distance from the reference atom.

By analyzing the nodes in the radial distribution function, researchers can gain insights into the atomic structure, coordination, and bonding characteristics of a material, which are essential for understanding its physical and chemical properties.

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Answer: a - complementary (im not completly sure tho)

Step-by-step explanation: a complementary is either of two angles whose sum is 90°

The value of current  through the circuit is 1 mA.

To model the resistive touchscreen as a series combination of resistors, we need to divide the touchscreen into small strips of equal width and find the resistance of each strip using its length and resistivity.

The resistance of each strip can be calculated using the formula:

R = (ρ × L) ÷ A

where ρ is the resistivity, L is the length, and A is the cross-sectional area.

Since the touchscreen is divided into strips of equal width, the cross-sectional area of each strip is given by:

A = t × W

where t is the thickness and W is the width of the touchscreen.

Using the given numerical values, we can calculate the resistance of each strip:

For the first strip (x = 0 mm to x = 20 mm):

L =  = 20 mm

A = t × W

= 1 mm × 50 mm

= 50 mm²

= 50 × 10⁻⁶ m²

ρ =  = 0.5 Ωm

= (ρ × L) ÷ A

= (0.5 Ωm × 20 mm) ÷ (50 × 10⁻⁶ m²)

= 1000 Ω

= 1 kΩ

Similarly, we can calculate the resistance of each strip and find the total resistance of the touchscreen:

=  +  +  +

= 1 kΩ + 1.5 kΩ + 1 kΩ + 1.5 kΩ

= 5 kΩ

Using Ohm's law, we can find the current through the circuit:

=  ÷

= 5 V ÷ 5 kΩ

= 1 mA

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Answer:

the answer is c

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

just took the test

Answer:

Step-by-step explanation: so first you have to find y/x and in this case it would be 48/8 so then you find what 48 divided by 8 would be and you get 6. So the constant would be 6 or k. And to make sure it is correct you do kx or 6x8 and it gives you 48.

There are nC2 different votes possible, where n is the number of bands on the list and nC2 represents the number of ways to choose 2 bands out of n.

To calculate nC2, we can use the formula for combinations, which is given by n! / (2! * (n-2)!), where ! represents factorial.

Let's say there are m bands on the list. The number of ways to choose 2 bands out of m can be calculated as m! / (2! * (m-2)!). Simplifying this expression further, we get m * (m-1) / 2.

Therefore, the number of different votes possible is m * (m-1) / 2.

In the given scenario, we don't have the specific number of bands on the list, so we cannot provide an exact number of different votes. However, you can calculate it by substituting the appropriate value of m into the formula m * (m-1) / 2.

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Answer:

N = 9

Step-by-step explanation:

N^2 = 81

NxN = 81

N = 9 because 81/9 = 9 and if you don't trust me use a calculator

Answer 4.6/5. 20

Step-by-step explanation: . lizcocch. Beginner. 2 answers. 11 people helped. The second expression, (16-8)x2+4, has a value of 20.

Answer: Your welcome!

Step-by-step explanation:

Part A: 2x^2 + 3x^2 - 4 + 3xy + 6 + 6 = 7x^2 - 4xy + 6

Part B: 0 = 7x^2 - 4xy + 6 - (2x^2 + 3x^2 - 4 + 3xy + 6 + 6)

= 0 = 5x^2 - 4xy

A) The expression that represents the amount of canned food collected by the three friends is \(5x^2 + 3xy + 2\).

B) The expression that represents the number of cans the friends still need to collect to meet their goal is \(2x^2 - 7xy + 4\).

Given: Number of cans collected

Jessa: 2x²

Tyree: 3x² - 4

Ben: 3xy + 6

Goal : \((7x^2 - 4xy + 6)\)

A) The total amount collected:

Total = Jessa + Tyree + Ben

         = \(2x^2 + (3x^2 - 4) + (3xy + 6)\)

         = \(2x^2 + 3x^2 - 4 + 3xy + 6\)

         = \((2x^2 + 3x^2 + 3xy) + (-4 + 6)\)

         = \(5x^2 + 3xy + 2\)

Therefore, the expression is \(5x^2 + 3xy + 2\).

B) The number of cans the friends still need to collect to meet their goal is

Cans still needed = Goal - Total

                              \(= (7x^2 - 4xy + 6) - (5x^2 + 3xy + 2)\)

                              \(= 7x^2 - 4xy + 6 - 5x^2 - 3xy - 2\)

                              \(= (7x^2 - 5x^2) + (-4xy - 3xy) + (6 - 2)\)

                              \(= 2x^2 - 7xy + 4\)

Therefore, the expression is \(2x^2 - 7xy + 4\).

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To convert Deciliter (dL) to Liter (L) you can multiply by 0.1.

The liter (L) is the basic unit of volume in the International System of Units (SI). A liter is defined as the volume of a cube with sides of 10 cm, or about 61 cubic inches. The deciliter (dL) is a smaller unit of volume which is equal to one tenth of a liter.

To convert a volume measured in deciliters to liters, you can multiply the number of deciliters by 0.1.

For example, if you want to convert 20 deciliters to liters, you can multiply 20 by 0.1, which gives you 2 liters.

It's important to note that many programming languages and calculator have built-in functions to convert deciliter to liter and vice versa, so you can use that if you have access to them.

It's also worth noting that the liter and deciliter are commonly used unit in the metric system, and also in cooking and laboratory measurements.

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Answer:

129,000 i dont k im just trying

Step-by-step explanation:

Answer:

11√2−5√7 (the first answer)

Answer:

9√2−3√7+√8−√28 = 11√2−5√7

The explicit formula for the given sequence is a(n) =  -5 + (-1)(n - 1).

What is termed as recursive definition?

A recursive function is one that iterates or uses its very own previous term to determine subsequent terms, resulting in a series of terms.

The recursive formula for an arithmetic sequence is as follows.

a(1) = -5 and a(n) = a(n-1) -1

Remember that this formula provides us with two types of data.

Let's look for a formal formula again for sequence.

1) Remember that we can use the standard explicit form to represent a sequence in which the first term is A & common difference is B:  

A + B(n - 1)

2) As a result, the sequence's explicit formula is a(n) = -5 + (-1)(n - 1).

Thus, by the use of recursive definition, the explicit formula for the sequence is a(n) =  -5 + (-1)(n - 1).

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The t-statistic is 0 based on regression equation.

To compute the missing value, we need to use the regression equation: y = mx + b. We know that the adjusted r squared is 0.4, so the coefficient of determination is 0.4. This means that 40% of the variation in y can be explained by the variation in x.

We also know that the mean residual sum of squares is 9.6, which is the average of the squared differences between the predicted values and the actual values.

Using these values, we can find the regression equation:

y = mx + b
0.4 =\(slope of regression^2 * variance of x / variance of y\)

Since the variance of x is 1.67 and the variance of y is unknown, we can solve for the slope of regression:

slope of regression = \(\sqrt{(0.4 * variance of y / 1.67) }\)

Next, we can use the slope of regression to find the missing value:

y = mx + b
0 = slope of regression * 0 + b
b = 0

Therefore, the regression equation is:

y = slope of regression * x

Using the remaining data points, we can find the slope of regression:

(0,0) -> (1,0): slope = 0 / 1 = 0
(1,0) -> (2,0): slope = 0 / 1 = 0
(2,0) -> (3,-?): slope = (-?) / 1 = -slope of regression

Since we know that the slope of regression is -2, we can solve for the missing value:

(-?) / 1 = 2
-? = 2
? = -2

Therefore, the missing value is -2.

To find the t-statistic used to test the null hypothesis that the slope of regression is equal to -2, we need to use the following formula:

t = (slope of regression - hypothesized slope of regression) / standard error of slope

The standard error of slope is given by:

SE = \(\sqrt{(mean residual sum of squares / (n - 2) / variance of x) }\)

Using the values given in the problem:

SE = \(\sqrt{(9.6 / (3 - 2) / 1.67)}  = \sqrt{(9.6 / 1.67)}\) = 2.57

Therefore, the t-statistic is:

t = (-2 - (-2)) / 2.57 = 0

The t-statistic is 0.

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To determine the required sample size for a political poll with a 4% margin of error and a 97.5% confidence level, a formula can be used. For this scenario, the sample size required would be approximately 862 respondents.

To calculate the sample size needed for a political poll with a 4% margin of error and a 97.5% confidence level, the following formula can be used:

n = (Z^2 * p * (1-p)) / E^2

Where:

n is the sample size

Z is the Z-score associated with the desired confidence level (in this case, it is 2.24)

p is the expected proportion of support for the candidate (this value is typically unknown, so a conservative estimate of 0.5 is often used to get the maximum sample size)

E is the margin of error

Plugging in the values for this scenario, we get:

n = (2.24^2 * 0.5 * (1-0.5)) / 0.04^2

n ≈ 862

Therefore, the required sample size for this political poll is approximately 862 respondents. This sample size would provide a margin of error of 4% at a 97.5% confidence level, meaning that there is a 97.5% chance that the true proportion of support for the candidate lies within the range of the survey results plus or minus the margin of error.

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