Ill give brainliest to the person who answer

The equations that can be used to solve for y are y(y + 5) = 750,  y² – 5y = 750 and y(y – 5) + 750 = 0

What is quadratic equation?

it's a second-degree quadratic equation which is an algebraic equation in x. Ax2 + bx + c = 0, where a and b are the coefficients, x is the variable, and c is the constant term, is the quadratic equation in its standard form.

The equations that can be used to solve for y, the length of the room are:

1. y(y + 5) = 750

2. y² – 5y = 750

3. y(y – 5) + 750 = 0

Option 1 and 2 are quadratic equations that can be solved by factoring, completing the square, or using the quadratic formula. Option 3 is also a quadratic equation but it requires rearranging to the standard form before applying the same methods. The last option, (y + 25)(y – 30) = 0, is not a quadratic equation but it can be easily solved using the zero product property.

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Answer: 2621.92

Step-by-step explanation:

The addition of the numbers 2610 and 11.7 and 0.22 is 2621.92.

Hence the correct option is given by (D).

Addition is a mathematical operation to sum up between two or more than two mathematical quantities or numbers specially.

Here given the numbers are 2610 and 11.7 and 0.22.

So the addition of the numbers 11.7 and 0.22 is given by,

= 11.7 + 0.22

= 11.92

So the sum of 2610, 11.7 and 0.22 is given by,

= 2610 + 11.7 + 0.22

= 2610 + 11.92

= 2621.92

Hence the correct option is given by (D).

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Answer:

in a square all sides are equal so x has to equal

128

Hope This Helps!!!

Answer:

10 centimeters = 0.1 meters

Step-by-step explanation:

Question  

How many meters are in 10 centimeters?

There are 100 centimeters in 1 meter.

Therefore, 1 centimeter = 1 ÷ 100 meters

                                       = 0.01 meters

So if 1 centimeter = 0.01 meters

Then 10 centimeters = 0.01 × 10 = 0.1 meters

The correct answer is d. 2x³+5x.

What is an algebraic expression?

An algebraic expression is a mathematical phrase that contains variables, constants, and mathematical operations. It may also include exponents and/or roots.

The correct answer is d. 2x³+5x.

To multiply 2x by (x²+5), we use the distributive property of multiplication over addition, which states that a(b + c) = ab + ac. Applying this property, we get:

2x * (x² + 5) = 2x * x² + 2x * 5

= 2x³ + 10x

So, the correct expression is 2x³+5x, option d. 2x³+5x. The other options provided are not correct. Option a. 2x³+10x² has an extra term of 10x² which is not present in the original expression. Option b. 2x³+10x has an extra term of 10x which is not present in the original expression. Option c. 2x²+10x has an extra term of 2x² which is not present in the original expression. So, the correct answer is d. 2x³+5x.

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Answer:

After calculating values from test statics we come to know that value of if null hypothesis is true then it will rejected

As critical values of z is ±1.96 after apply the test statics formula , we get the value of z that is - 4.50 As we consider the equation that

H₀ > z

Apply test statistic we fine the true value . So there is sufficient evidence to reject the claim.

Step-by-step explanation:

critical values z₀ = ±1.96; standardized test statistic z ≅ -4.50;

reject H₀

There is sufficient evidence to reject the claim.

The categories and their  Percentages on the circle graph would be as follows:

Cape: 25%

Garrison: 40%

Split: 35%

To represent the distribution of house types in a town containing 25,000 houses on a circle graph, we need to determine the percentage of each category.

The given data provides the following frequencies for each house style:

Cape: 6,250 houses

Garrison: 10,000 houses

Split: 8,750 houses

To calculate the percentage for each category, we divide the frequency of each house style by the total number of houses in the town (25,000) and multiply by 100.

Percentage for Cape: (6,250 / 25,000) * 100 = 25%

Percentage for Garrison: (10,000 / 25,000) * 100 = 40%

Percentage for Split: (8,750 / 25,000) * 100 = 35%

Therefore, the categories and their respective percentages on the circle graph would be as follows:

Cape: 25%

Garrison: 40%

Split: 35%

These percentages represent the proportion of each house style in the town and can be visually represented on a circle graph to provide a clear visualization of the distribution of house types.

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Answer:

3

Step-by-step explanation:

You just divide 13.5 by 4.5, and you get 3 yards per second.

The value of the missing side lengths x and y are 5√2 and 5 respectively.

The figure in the image is a right triangle.

Angle θ = 45 degree

Hypotenuse = x

Opposite to angle θ = y

Adjacent to angle θ = 5

To solve for side x and side y, we use the trigonometric ratio.

Note that:

Cosine = adjacent / hypotenuse

tangent = opposite / adjacent

Solving for x:

Cosine = adjacent / hypotenuse

Plug in the values

cos( 45 ) = 5/x

x = 5 / cos( 45 )

x = 5√2

Solving for side y:

tangent = opposite / adjacent

Plug in the values

tan( 45 ) = y/5

y = tan( 45 ) × 5

y = 5

Therefore, the value of side length x is 5 units.

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Answer:

B is not equal to the others

Step-by-step explanation:

Answer:

$28

Step-by-step explanation:

1/5 of $70 is 14 . so $70 - $14 is $56

1/2 of $56 is $28

Hope this helps x

Answer:

Step-by-step explanation:

First, we need to find the difference between the price that he sold the shares for and the price that he bought them at: (67.68-60.65) = 7.03

That means that there was a gain of $7.03 per share for Archie.

That being said, since Archie bought 100 shares, we can multiply that number by 100 to find the total gain from selling the shares:

(7.03x100)= 703

The answer then is:

Archie gained $703 from selling all of his shares.

To simplify the expression \(\displaystyle\sf 5x-3(-5y+6x)+4y\), we can follow the order of operations, which involves simplifying the expressions within parentheses, applying the distributive property, and combining like terms.

Using \(\displaystyle\sf \) tags for formatting, the expression becomes:

\(\displaystyle\sf 5x-3(-5y+6x)+4y\)

First, we simplify the expression within the parentheses:

\(\displaystyle\sf 5x-3(-5y+6x)+4y\)

\(\displaystyle\sf 5x+15y-18x+4y\)

Next, we can combine the like terms:

\(\displaystyle\sf 5x-18x+15y+4y\)

\(\displaystyle\sf -13x+19y\)

Therefore, the simplified expression is \(\displaystyle\sf -13x+19y\).

\(\huge{\mathfrak{\colorbox{black}{\textcolor{lime}{I\:hope\:this\:helps\:!\:\:}}}}\)

♥️ \(\large{\underline{\textcolor{red}{\mathcal{SUMIT\:\:ROY\:\:(:\:\:}}}}\)

Answer:

Step-by-step explanation:

Let's start by finding the fraction of the garden that George weeded. We know that he weeded 1/5 of the garden, so the fraction that is left is:

1 - 1/5 = 4/5

Now we know that Summer weeded enough to leave 2/3 of the garden still needing to be weeded. This means that she weeded:

1 - 2/3 = 1/3

of the garden.

However, we want to find the fraction of the garden that Summer weeded relative to the total garden, not just the part that was left after George weeded. So we need to express this fraction as a fraction of the total garden.

To do this, we can use the fact that George weeded 1/5 of the garden, or equivalently, 5/5 + 1/5 = 6/5 of the garden. So the total garden is divided into 6 equal parts, each representing 1/5 of the garden.

Since George weeded 1/5 of the garden, there are 5/5 - 1/5 = 4/5 parts of the garden left. This means that 4/5 of the garden is divided into 3 equal parts, each representing 1/3 of the garden (since Summer left 2/3 of the garden to be weeded).

Therefore, the fraction of the garden that Summer weeded is:

1/3 * (4/5) = 4/15

So Summer weeded 4/15 of the garden.

Answer:

i think option B is right

Answer:

6.71

Step-by-step explanation:

c=\(\sqrt{}\)(3-9)^2+(-1+4)^2

c=√36+9

c=6.71

The amount of time he spent on bicycle is 4.5 hours.

Given Jim began a 145 mile bicycle trip.

The whole trip took 7 hours.

Jim walks at a rate of 4 miles per hour  and rides at 30 miles per hour.

speed = distance / time

time = distance / speed

ride:

d = distance ridden

t = d/30 (given from the problem)

walk:

t = (145 - d)/4 (given from problem)

total trip time:

7 = d/30 + (145 - d)/4.

7 = 4d/120 + 30(145 - d)/120

7×120 = 4d + 30(145 - d)

840= 4d +4350-30d

840 ₋ 4350 = ₋30d ₊ 4d

₋3510 = ₋26d

d = 3510/26

d = 135

d=135 then from here using the formula t = d / s we can solve

t=135/30 = 4.5 hours

hence the amount of time Jim spent on the bicycle is 4.5 hours.

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Let x be the money invested on the bank that pays 11% per year and y be the money invested on the one that pays 9% per year.

So:

x + y = 9500

0.11x + 0.09y = 973

Let's solve the system using substitution:

x = 9500 -y

0.11( 9500 -y) + 0.09y = 973

1045 - 0.11y + 0.09y = 973

-0.02y = 973 - 1045

0.02y = 72

y= 3600

x+ y = 9500

x = 9500 - 3600

x = 5900

Answer: He deposited $5900 and $3600.

From the diagram provided, the angle formed by the onlooker from the top of the lighthouse is 65 degrees (that is 90 degrees minus 25 degrees).

The distance from the base to the top of the lighthouse is 22. That means the reference angle is 65, the adjacent is 22 (the side between the reference angle and the right angle) and the opposite is x (side facing the reference angle).

X can be calculated as follows;

x is approximately 47.2 m

The correct answer is option C

Answer:

x+5

Step-by-step explanation:

3(x+4)-(2x+7)

1. Distribute 3 to x and 4

3x+12-2x+7

2. Distribute the "-" to 2x and 7

2x+12-2x-7

3. Subtract 7 from 12

3x+12-2x-7

3x+5-2x

4. Combine like terms

3x+5-2x

1x+5

Answer:

x+5

Step-by-step explanation:

1) 7/23 + 11/23 + 9/23

7+11+9/23

27/23

= 1 4/23

2) 2 5/7 + 9 4/7

11 9/7

= 11.12

3) 9/20 + 3/5

9+12/20

21/20

= 1 1/20 or 1.05

From the information provided we will have the following:

Answer:

C.

Step-by-step explanation:

The domain of f(g(x)) is the set of all real numbers x for which g(x) is defined and lies in the domain of f(x).

The function is defined as a mathematical expression that defines a relationship between one variable and another variable.

Given f(x) = 1/(x + 1) and g(x) = 1/(x+2)

First, let's find the domain of g(x). The function g(x) = 1/(x+2), so the denominator of this fraction must be non-zero. This means that x + 2 must be non-zero, or x must not equal -2. Thus, the domain of g(x) is all real numbers except for x = -2.

Next, let's find the domain of f(x). The function f(x) = 1/(x + 1), so the denominator of this fraction must also be non-zero. This means that x + 1 must be non-zero, or x must not equal -1. Thus, the domain of f(x) is all real numbers except for x = -1.

So, for f(g(x)) to be defined, g(x) must be in the domain of f(x), or g(x) must not equal -1. Since g(x) = 1/(x+2), this means that x + 2 must not equal 0, or x must not equal -2.

Combining these two conditions, the domain of f(g(x)) is all real numbers except for x = -2 and x = -1.

Therefore, the domain of f(g(x)) is all real numbers except for x = -2 and x = -1.

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Hello!

The distance, d, is less than 200 miles.

B. d > 200

The appropriate hypotheses for this test are: H0: There is no difference in the distribution of responses. Ha: There is a difference in the distribution of responses.

The chosen hypotheses are based on the objective of the investigation, which is to determine if there is convincing evidence that the distribution of responses about eating the potato salad differs between employees who are sick and those who are not sick.

The null hypothesis (H0) assumes that there is no difference in the distribution of responses about eating the potato salad between the sick and non-sick employees. This means that the proportion of employees who ate the potato salad would be the same in both groups, and any observed difference in the distribution of responses is due to random chance or factors unrelated to being sick or not sick.

On the other hand, the alternative hypothesis (Ha) proposes that there is a difference in the distribution of responses about eating the potato salad between the sick and non-sick employees. This suggests that the proportion of employees who ate the potato salad would be significantly different in the two groups, indicating a possible association between consuming the potato salad and getting sick.

By formulating these hypotheses, the investigation aims to evaluate whether the data provides convincing evidence to reject the null hypothesis in favor of the alternative hypothesis, indicating a meaningful relationship between eating the potato salad and falling sick.

Therefore, the correct answer is:

H0: There is no difference in the distribution of responses about eating the potato salad among those who are and are not sick.

Ha: There is a difference in the distribution of responses about eating the potato salad among those who are and are not sick.

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Answer:

40cm^2

Step-by-step explanation:

Ik Im right

Answer: 40 cm

Step-by-step explanation: