whats the value of x?? please help

Answer:

13

Step-by-step explanation:

Answer:

if x is 18 replace 18 where x is in the question so, it will be 18-5 = 13

a) To find the average life of the ten batteries, we need to calculate the mean, which is the sum of all the values divided by the number of values.Sum of all values = 10.8 + 10.6 + 11.4 + 8.9 + 10.1 + 10.6 + 9.9 + 12.6 + 10.5 + 11.9 = 106.2

Number of values = 10

Average life = Sum of all values / Number of values = 106.3 / 10 ≈ 10.63

Therefore, the average life of the ten batteries, rounded to the nearest tenth of an hour, is approximately 10.6 hours.

b) Comparing the two advertisements:

i) The first advertisement claims that Atlas batteries are guaranteed to last 10 hours. This means that all Atlas batteries are expected to last at least 10 hours. However, based on the data provided, we can see that the average life of the batteries is approximately 10.6 hours, which is higher than the guaranteed 10-hour minimum

ii) The second advertisement claims that Atlas batteries have an average life of over 10 hours. This statement aligns with the data we have, as the average life of the batteries is indeed over 10 hours.

Based on the information provided, the second advertisement claiming that Atlas batteries have an average life of over 10 hours is more accurate, as the average life calculated from the given data is 10.6 hours.

In summary, the average life of the ten batteries is approximately 10.6 hours, and the second advertisement stating an average life of over 10 hours is more accurate based on the data provided.

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Answer:

Example:

X = the first point, so say the point was 2, and the equation for y was, Y=2x +1, you would do 2x2=4 and then 4+1+5 so, for point y it would be, Y=5.

I don't know if that makes sense but yeah.

Answer: Between A, B, C, or D

Step-by-step explanation: Hope this helps!

Answer:

A. 4x + h

B. 4x + h = 78

V = x²h

Step-by-step explanation:

1. The length plus girth

X +x+x+x +h

= 4x +h

2. Constraint equation

4x + h = 78 ----(1)

Objective function

Volume = v = x*x*h

V = x²h ----(2)

3. Quantity as function of x

From equation 1 in answer part b

4x+h = 78

We make h subject

h = 78-4x

We put values of h in equation 2 in part b

V = x²h

V = x²(78-4x)

V = 78x²-4x³

To get values of x and h

V = 78x²-4x³

Dv/dx = 0

= 156x - 12x²

156x = 12x²

Divide through by 12x

156x/12x = 12x²/12x

x = 13

h = 78-4x

h = 78 - 4(13)

h = 78 - 52

h = 26 inches

The estimate of 179% of 41 by rounding is about 73.19.

To find this estimate, first convert the percentage to a decimal by dividing it by 100: 179/100 = 1.79. Then, multiply this decimal by 41: 1.79 * 41 = 73.39.

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Step-by-step explanation:

that means the current value of $117,000 is 100 - 35 = 65% of the original price.

65% = $117,000

1% = 65%/65 = 117000/65 = $1,800

100% = 1%×100 = 1800×100 = $180,000

the original (100%) purchase value was $180,000.

Answer:

D

Step-by-step explanation:

Just look for a pattern.

distance from -3 to 6 is 9

distance from 6 to 15 is 9

distance from 15 to 24 is 9

They're just adding 9 each time

24 plus 9 is 33

33 plus 9 is 42

42 plus 9 is 51

Answer:

C. (6 × 5) × 2 = 60 m³

D. 5 × (6 × 2)

E. (2 × 5) × 6

Step-by-step explanation:

Volume of a rectangular prism can be given as, V = L*W*H

L = 6

W = 5

H = 2

However, whichever way we choose to use as either L, W, or H, we would still get the same value as the volume.

Thus:

✔️V = (6 × 5) × 2 = 60 m³

✔️V = 5 × (6 × 2) = 60 m³

✔️V = (2 × 5) × 6 = 60 m³

These are the three expressions that can be used to find the volume.

Answer:

1. 80m^3   2. 120 in^3    3. 72 cm^3

Step-by-step explanation:

1. Simply just multiple all the lengths of sides together

2. Multiple all of them, and then divide by 2 (since it is half of a rectangular prism)

3. Separate the prism into 3 parts. The middle figure is 6 by 4 by 2. The triangles are 3 by 4 by 2. By adding them together, we get

Answer:

y = -3

y = 11

Step-by-step explanation:

\(y = \sqrt{x} -7\) where x = 16

\(y = \sqrt{16} -7\\\)

y = 4 - 7

y = -3

y = 4 + I9 - xI    where x = 16

y = 4 + I9 - 16I  

y = 4 + I- 7I  

y = 4 + 7

y= 11

Answer: -3 and 11

Step-by-step explanation:

y
= root(x)-7
= root(16) -7
= 4-7
= -3

y
= 4+modulus (9- x)
= 4+modulus (9-16)
= 4+modulus(-7)
= 4+ 7
= 11

Answer:  \(y=\frac{-15}{7}x-\frac{4}{7}\)

Slope: -15/7

y-int:-4/7

Step-by-step explanation:

slope: rise/run

\(\frac{x^2-x^1}{y^2-y^1}\)

\(\frac{-7-8}{-4-3}=\frac{-15}{-7} =\frac{-15}{7}\)

thats the answer :)

~rere

Answer:

This is what I got, hope u get it right

Step-by-step explanation:

The Giant Hummingbird beats its wings 10-15 times per second. The fastest recorded rate is about 80 beats per second on an Amethyst Wood- star Hummingbird.

85 is the answer........

The relationship between the sides of the polygon and the triangle follows an arithmetic sequence

The expression that represents the number of triangles is (c) n - 2

From the diagrams, we have:

Sides           Triangles

  5                    3

  6                    4

  8                    6

The above can be represented as functions as follows:

\(f(5) = 3\)

\(f(6) = 4\)

\(f(8) = 6\)

Express 6 as 8 - 2

\(f(8) = 8 - 2\)

Express 8 as n

\(f(n) = n - 2\)

So, the expression that represents the number of triangles is (c) n - 2

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Answer:

53\(x_{123}\) == 134 cf

Step-by-step explanation:

A - on the po boyds at a emase the foot, 1, of building. He. Observes an obje- et on the top, P of the building at an angle of ele- building of 66 Aviation of 66 Hemows directly backwards to new point C and observes the same object at an angle of elevation of 53° · 1P) |MT|= 50m point m Iame horizontal level I, a a​

The height of the building is approximately 78.63 meters.

The following is a step-by-step explanation of how to solve the problem. We'll need to use some trigonometric concepts and formulas to find the solution.

Therefore, the height of the building is approximately 78.63 meters.

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Answer:

i believe the answer is 13,250

Step-by-step explanation:

all i did was divide the 5400/0.40 because i thiink its correct, maybe not

The employer contribute to her retirement plan is $2120.

Many American firms provide 401(k) plans, which are retirement savings plans with favourable tax treatment for the saver. It bears a section number from the United States Internal Revenue Code (IRC).

When a worker enrols in a 401(k), they consent to have a portion of each paycheck put directly into an investing account. A portion or the entire contribution may be matched by the employer. The employee has a variety of investing alternatives, most often mutual funds.

Given:

Jayne contributes $5,300

Now, the contribution of $0.40 for each dollar

So, employer contribute to her retirement plan

= 5300 x 0.40

= $2120

Hence, The employer contribute to her retirement plan is $2120.

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An equation for the total cars and trucks for dealership A is: x + y = 164.

An equation for the total cars and trucks for dealership B is: 2x + 0.5y = 229.

The number of cars that dealership A sold is: 98 cars.

The number of trucks that dealership B sold is: 66 trucks.

In order to write a system of linear equations to describe this situation, we would assign variables to the number of cars sold and number of trucks sold, and then translate the word problem into an algebraic equation as follows:

Since the first dealership sold a total of 164 cars and trucks, a linear equation to model this situation is given by;

x + y = 164.

Additionally, the second dealership sold twice as many cars and half as many trucks as the first dealership, with a total of 229 cars and trucks;

2x + 0.5y = 229.

By solving the systems of linear equations simultaneously, we have:

2x + 0.5(164 - x) = 229

1.5x + 82 = 229

x = 98 cars.

For the y-value, we have;

2(98) + 0.5y = 229

0.5y = 229 - 196

y = 33/0.5

y = 66 trucks.

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Answer:4 times 5

Step-by-step explanation:

The excluded values are the ones that make the denominator equal to zero, these are x = 4 and x = 5.

Remember that we can´t divide by zero, then we need to remove all the values of x that make the denominator equal to zero, so we need to solve:

x² - 9x + 20  =0

Using the quadratic formula we will get:

\(x = \frac{9 \pm \sqrt{(-9)^2 - 4*20} }{2} \\\\x = \frac{9 \pm 1}{2}\)

So the two values are:

x = (9 + 1)/2 = 5

x = (9 - 1)/2 = 4

Now, the numerator is not zero in neither of these two values, so these are the excluded values.

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Answer: 519 120

Step-by-step explanation:

84*84=7056

7056/7=1008

1008*515=519 120

Answer:

m=0

Step-by-step explanation:

the slope is calculated using two points on the line and the formula

m = (y2 - y1) ÷ (x2 - x1)

where

x1 and y1 are the coordinates of point 1

x2 and y2 are the coordinates of point 2

for example, you can take

point 1 = (x1;y1) = (-2;3)

point 2 = (x2;y2) = (-1;3)

then your slope is

m = (3 - 3) ÷ (-1 - (-2)) = 0

notice that x1 is always at the left of x2 on the x axis

and it makes sense that your slope is 0 because for each x your y is the same

The number of suspects had less than two prior arrests are 3.

Given that, While reviewing the previous day’s arrest report.

Let x be the number of suspects have been arrested once before and y be the number of suspects arrested twice before.

Here, x+y=5 -----(i)

2x+3y=12 -----(ii)

From equation (i), x=5-y in equation (ii), we get

2(5-y)+3y=12

10-2y+3y=12

10+y=12

y=2

Substitute y=2 in equation (i), we get

x+2=5

x=3

Therefore, the number of suspects had less than two prior arrests are 3.

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Answer: 4

Step-by-step explanation:

First create numbers into an improper fraction.

-10/3 * (-3) 2/5

Then solve it using pemdas, resulting into the answer #4

Answer:

11 1/3

Step-by-step explanation:

Answer:

=24

Step-by-step explanation:

Evaluate for x=2,y=−4

23+(−4)2

23+(−4)2

The mean absolute deviation is $106.6.

Given the table shows the amount Bill spent on 5 days last week.

DayAmount12622313126534To find the mean of the amount he spent: The formula for calculating the mean of a given set of values is mean=∑x/n where x represents the values, n represents the number of values, and ∑x represents the sum of the values.

Mean=total sum of values/total number of values Mean=(26+23+31+26+534)/5Mean=640/5Mean=128So,

the mean of the amount he spent is $128.To find the mean absolute deviation: The mean absolute deviation (MAD) is the average distance between each data value and the mean. MAD shows how much the data set deviates from the mean. The formula for calculating the MAD is MAD=∑|xi−m|/n where xi represents the values, m represents the mean, and n represents the number of values. So, the calculation for each day is:

Day Amount Absolute deviation from mean1 26 |128-26|=102 23 |128-23|=105 31 |128-31|=974 26 |128-26|=102 534 |128-534|=406

The sum of all absolute deviations is:

10+10+97+10+406=533The mean absolute deviation (MAD) is: MAD=533/5=106.6So.

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Answer:

Yes, you can use cross products to solve for x in this proportion. Also, x is 360.

Step-by-step explanation:

Yes, you can use cross products to solve for x in that proportion.

Here's how you do it :

\(\frac{18}{5} = \frac{x}{100}\)

We cross product, getting :

18 * 100 = 5 * x

1800 = 5x

Divide by 5 on both sides to get x by itself.

360 = x

Yes, you can use cross products to solve for x in this proportion. Also, x is 360.

Hope this helps, please mark brainliest if possible. Have a great day.

Answer:

3/2

Step-by-step explanation:

2/6 + 7/6 = 9/6

9/6 can be simplified by dividing the numerator and denominator by 3.

9/6 = 3/2

The statement triangle BCD is a right angle triangle because an angle in a semicircle is a right angle option 1 is correct.

It is defined as the combination of points that, and every point has an equal distance from a fixed point (called the center of a circle).

We have a diagram shown in the picture.

BC is the diameter of the circle.

Point B and Point C lies on the circle.

If a point D, which is unique from points B and C, is plotted on circle A.

Then the right angle triangle will be formed because an angle in a semicircle is a right angle.

Thus, the statement triangle BCD is a right angle triangle because an angle in a semicircle is a right angle option 1 is correct.

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