What is the value of x?

There are 900000000 nine-digits numbers and exactly half of them have an even sum of digits (because every number can be paired with another of the opposite parity by changing the last digit).

Answer:  200,000,000.

we have 9 spaces we need to fill in

There are 10 total numbers(0–9)

There are 5 even numbers(0,2,4,6,8)

fill from left to right

u cannot start with 0 so pick another number 2,4,6,8 any of those

4*10^7*5= 20*10^7 = 2*10^8

200,000,000.

Answer:

\(h(x)=\frac{1}{5}x\)

Step-by-step explanation:

\(6x+y=4x+11y\\\\6x-4x=11y-y\\\\2x=10y\\\\y=\frac{2x}{10}\\\\y=\frac{1}{5}x\)

so h(x) is

\(h(x)=\frac{1}{5}x\)

Answer:

mark as brainliest plz...        it is $39

Step-by-step explanation:

ayeeeeeeeeeeeeeee

Answer:

x = 10.8

Step-by-step explanation:

Cos∅ = adj/hyp

Cos26 = x/12

Multiply both sides by 12

12 * cos26 = x

Use calculator

10.785528555590004 = x

Round

x = 10.8

Answer:

x = 16.64

option A

Step-by-step explanation:

Using the pythagoreom therom

Answer:

16.64

Step-by-step explanation:

Since it's a right angled triangle, we use Pythagoras theorem:

(Hypotenuse)² = (base)² + (perpendicular)²

x² = 14² + 9²

x² = 196 + 81

x² = 277

√x² = √277

x = 16.64

Answer:

1/3000

Step-by-step explanation:

3 meters to centimeters:

3 × 100 = 300

= 1/10 ÷ 300

= 1/10/300

= 1/(10×300)

= 1/3000

Answer:

The answer is "1:2"

Step-by-step explanation:

Let 96 car sales are X and 96 truck sales are Y  And income from 97 cars is 0.89X, income from 97 trucks is 1.07Y

\(\to \frac{(0.89X+1.07Y)}{(X+Y)}=1.01\\\\\frac{X}{Y}=?\\\\\to \frac{(0.89X+1.07Y)}{(X+Y)}\ \ \text{Divide by Y and get}\ \ \frac{( \frac{0.89X}{Y}+1.07)}{(\frac{X}{Y}+1)} =1.01\\\\\)

Then

\(\to \frac{X}{Y}=1:2\)

Answer: 16

2(8)

16

Step-by-step explanation:

b = 8

2(8)

= 16

If all 1 million warrants of Tri-Slope are exercised immediately, the new stock price would be approximately $42.5, resulting in a total market value of $255 million with 6 million shares.

To determine the new stock price if all warrants are exercised immediately, we need to calculate the total number of additional shares that would be created and then adjust the stock price accordingly.Given that there are 5 million shares of stock and 1 million warrants, if all warrants are exercised, an additional 1 million shares would be created. Each warrant allows the purchase of a new share for $40.To exercise all 1 million warrants, it would cost a total of 1 million * $40 = $40 million.

The total number of shares after exercising all warrants would be 5 million + 1 million = 6 million shares.The total market value of the company after exercising the warrants would be $40 million (cost of exercising warrants) + ($43 per share * 5 million shares) = $40 million + $215 million = $255 million.

Therefore, the new stock price would be the total market value of the company divided by the total number of shares: $255 million / 6 million shares ≈ $42.5.So, the new stock price if all warrants are exercised immediately would be approximately $42.5.

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Therefore, the total surface area of the pyramid is 312 square inches.

To find the surface area of a pyramid, we need to find the area of the base and the area of each triangular face and then add them together.

The area of the base is 1 square foot = 12 inches x 12 inches = 144 square inches.

To find the area of each face, we need to find the area of the corresponding triangle. We know that the height of each face is 14 inches and the base of each triangle is half the base of the pyramid, which is 6 inches. Therefore, the area of each face is:

(1/2) x base x height = (1/2) x 6 inches x 14 inches = 42 square inches.

Since there are four triangular faces, the total area of the faces is 4 x 42 square inches = 168 square inches.

Therefore, the total surface area of the pyramid is:

144 square inches (base) + 168 square inches (faces) = 312 square inches.

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The number of tiles used in the deck is 525. This can be answered by the concept of arithmetic sequence.

Let x be the number of tiles in each row in the arithmetic sequence. Then, the sum of the number of tiles in all 16 rows can be expressed as the sum of an arithmetic series:

S = (n/2)(a + l),

where n is the number of terms, a is the first term, and l is the last term. In this case, n = 16, a = 15, l = 30, and x is the common difference, which can be found by using the formula:

x = (l - a) / (n - 1)

Substituting the values given, we get x = 1.25. Therefore,

S = (16/2)(15 + 30) = 525.

Therefore, the total number of tiles used in the deck is 525.

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Answer:

A picture provided would be better, but here's a picture to help you find an answer to your question.

Step-by-step explanation:

The two angles marked in red are corresponding angles on a pair of parallel lines. Corresponding angles are ALWAYS congruent to each other.

Brianna made a mistake in solving the two-step equation. On Line 1, she incorrectly added -3 instead of subtracting 3. This violated the addition property of equality.

In the given equation, 0.1x + 3 = 1.7, Brianna attempted to isolate the variable 'x' by performing inverse operations. However, on Line 1, instead of subtracting 3 from both sides of the equation to eliminate the constant term, she mistakenly added -3. This error led to an incorrect expression: 0.1x + 3 - 3 = 1.7 - 3, which simplifies to 0.1x = -1.3.

The addition property of equality states that if the same value is added to both sides of an equation, the equality remains true. However, Brianna's addition of -3 violated this property since she should have subtracted 3. By mistakenly adding the negative value, she altered the equation's balance and arrived at an incorrect result.

Had Brianna subtracted 3 correctly on Line 1, the equation would have become 0.1x = -1.3. Continuing the steps, on Line 2, she could have divided both sides by 0.1 to isolate 'x'. However, the given prompt does not mention any mistake in Line 2.

Therefore, the mistake made by Brianna was on Line 1, where she should have subtracted 3 instead

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To find the solution for the system of linear equations shown in the graph, we need to find the point of intersection of the two lines.

The first line passes through the points (0,0) and (1,3). We can find the equation of this line using the slope-intercept form:

y = mx + b

where m is the slope and b is the y-intercept.

The slope of the line can be found using the two given points:

m = (y2 - y1) / (x2 - x1)

m = (3 - 0) / (1 - 0)

m = 3/1

m = 3

The y-intercept of the line is (0,0), so b = 0.

Therefore, the equation of the first line is:

y = 3x

The second line passes through the points (0,2) and (1,1). We can find the equation of this line using the slope-intercept form:

y = mx + b

where m is the slope and b is the y-intercept.

The slope of the line can be found using the two given points:

m = (y2 - y1) / (x2 - x1)

m = (1 - 2) / (1 - 0)

m = -1/1

m = -1

The y-intercept of the line is (0,2), so b = 2.

Therefore, the equation of the second line is:

y = -x + 2

To find the point of intersection of these two lines, we can set their equations equal to each other:

3x = -x + 2

Solving for x, we get:

4x = 2

x = 1/2

Substituting x=1/2 into either equation, we can find y:

y = 3x

y = 3(1/2)

y = 3/2

Therefore, the point of intersection of the two lines is (1/2, 3/2).

So, the solution for the system of linear equations shown in the graph is:

x = 1/2

y = 3/2

Therefore, the correct response is:

one half comma three halves

Answer:

just divide i believe

162÷9

15÷5

84÷14

24÷12

For the given function the value of F(5) is 28.

What is a function?

In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. The set X is called the domain of the function and the set Y is called the codomain of the function.

F(x) is a piecewise-defined function. This means that the value of F(x) depends on the value of x.

For x <= 3, F(x) = 3x - 6.

For x > 3, F(x) = 6x - 2.

To find the value of F(5), we need to determine which definition of F(x) applies. Since 5 is greater than 3, we use the second definition of F(x):

F(5) = 6(5) - 2 = 30 - 2 = 28

Hence, For the given function the value of F(5) is 28.

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Answer:

a= m<SQR

Step-by-step explanation:

a) The range in which the middle 95% of all yearly returns lie is approximately from -23.1% to 48.1%.

b)  the proportion of years in which the market is down is approximately 24.2%.

C)  the proportion of years in which the index gains 25% or more is approximately 16.4%.

a) We can use the empirical rule for normal distributions to find the range in which the middle 95% of all yearly returns lie. According to the empirical rule, for a normal distribution with mean μ and standard deviation σ, approximately 68% of the data falls within one standard deviation of the mean, approximately 95% falls within two standard deviations of the mean, and approximately 99.7% falls within three standard deviations of the mean.

In this case, the mean yearly return is 12.5% and the standard deviation is 17.8%. So, the middle 95% of all yearly returns lie within two standard deviations of the mean, which is:

12.5% ± 2(17.8%) = 12.5% ± 35.6%

Therefore, the range in which the middle 95% of all yearly returns lie is approximately from -23.1% to 48.1%.

b) To find the proportion of years in which the market is down, we need to find the area under the normal curve to the left of zero, since we are interested in the proportion of years with a return less than zero. We can use the standard normal distribution table or a calculator to find this area. Using a calculator, we get:

P(Z < -0.70) = 0.2420

where Z is the standard normal random variable with mean 0 and standard deviation 1, and -0.70 is the z-score corresponding to a return of zero, calculated as:

z = (0 - 12.5) / 17.8 = -0.70

Therefore, the proportion of years in which the market is down is approximately 24.2%.

c) To find the proportion of years in which the index gains 25% or more, we need to find the area under the normal curve to the right of 25%. Using a calculator, we get:

P(Z > 0.98) = 0.1635

where 0.98 is the z-score corresponding to a return of 25%, calculated as:

z = (25 - 12.5) / 17.8 = 0.98

Therefore, the proportion of years in which the index gains 25% or more is approximately 16.4%.

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The number of trees more than 10m tall but not more than 20m tall is 18 trees.

0 < h ≤ 5 = 5

height greater than 0m less than or equal to 5m

5 < h ≤ 10 = 9

height greater than 5m less than or equal to 10m

10 < h ≤ 15 = 13

height greater than 10m less than or equal to 15m

15 < h ≤ 20 = 5

height greater than 15m less than or equal to 20m

20 < h ≤ 25 = 1

height greater than 20m less than or equal to 25m

The number of trees that are more than 10m tall but not more than 20m tall are;

10 < h ≤ 15 = 13

15 < h ≤ 20 = 5

So,

13 + 5 = 18 trees

Therefore, the total number of trees which are 10m tall but not more than 20m tall is 18 trees.

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Answer:

8 years

Step-by-step explanation:

There are 50 lights present in the building and each light cost $50. Therefore the cost of changing all the bulbs is:

Cost = number of lights * cost per light = 50 lights * $50 = $2500

Changing the lights in the building save the company $305 per year in energy cost. Therefore, the number of years required for the new lights to pay for themselves is:

number of years = cost of changing bulbs / money saved per year

number of years = $2500 / $305 per year = 8.2

number of years = 8 years to the nearest year

Answer:

22.4

Step-by-step explanation:

3.2 times 7 is 22.4

Hopes this helps

also please give me brainlest

Answer:

5 ft

Step-by-step explanation:

area = ½( 3.2 + 7)h = 25.5 → ½( 10.2 )h = 25.5 →

5.1 h = 25.5 → h = 25.5/5.1 = 5

The probability that both trucks purchased had defective transmissions is 9/64 and if one truck has then 30/56

Total trucks = 8

Trucks having defective transmissions = 3

Trucks purchased = 2

Let the event that a truck has a defective transmission be = D

Let the event that a truck does not have a defective transmission = ND

a. Probability that both trucks purchased had defective transmissions:

P(D) = number of defective trucks / total number of trucks

= 3/8

As the likelihood of the second truck being defective is unaffected by the first truck's defect, therefore,

P(D and D) = (3/8) x (3/8)

= 9/64

b. Probability that only one of the trucks had a defective transmission:

P(D) = 3/8

P(ND) = 1 - P(D)

1 - 3/8 = 5/8

Given that one of the trucks is already known to be defective, there is a 5/7 chance that the second truck will not be as well (since there are 5 non-defective trucks left out of 7 total remaining trucks). The likelihood that the second truck will be flawed in this instance is 3/7. (since there are 3 defective trucks left out of 7 total remaining trucks)

Therefore,

P(D and ND) + P(ND and D)

= (3/8) x (5/7) + (5/8) x (3/7)

= 15/56 + 15/56

= 30/56

c. Probability that all 3 trucks had defective transmissions:

Given that the first two trucks had problematic transmissions, there is a chance that the third truck will as well. The likelihood of the third truck being defective is 2/6 because it is already known that two of the trucks are problematic (since there are 2 defective trucks left out of 6 total remaining trucks)

Therefore,

P(D and D and D)

= (3/8) x (3/8) x (2/6)

= 9/128

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Answer:

26.31

Step-by-step explanation:

Use distance formula

d = \(\sqrt{(x_{2}-x_{1)^{2} + (y_{2}-y_ ^{1)^2} } }\)

substitute in points and solve

d =  \(\sqrt{(7-3)^2 + (23-(-3))^{2} }\)

d = \(\sqrt{4^{2}+26^{2} }\)

d = \(\sqrt{16 + 676}\)

d = \(\sqrt{692}\)

d = 26.30589288

d = 26.31 rounded

Answer:

60° 60° 60°

60°

Step-by-step explanation:

In any triangle, the sum of its interior angles is 180°, and 60+60+60=180.

As for the other question, we can see that angle5=angle1, and angle6=angle2, due to the parallelism of the lines.

Angle5+angle6=180°, therefore

Angle6=180-120=60°=angle2

ANSWER:

x = -3

Step-by-step explanation:

55+54+x+74=180

109+x+74=180

183 + x = 180

x = -3

Answer:

Step-by-step explanation:

All triangles have 180 as the sum of the 3 interior angles.

x + 74 + 55 + 54 = 180            Combine

x + 183 = 180                           Subtract 183 from both sides.

x = 180 - 183                            Combine

x = - 3

You probably have been told that there is no such thing as a minus angle, and that's true. The angle isn't minus. Just x is. The size of the angle is

Angle size = 74 - 3 = 71

Now try adding them together

55 + 54 + 71 = 180 which is what it should come to  

Answer:

x ≤ -3/2 or x≥1/3

Step-by-step explanation:

-6x^2-7x+3≤0

-(3x-1)(2x+3)≤0

*-1                ≤ *-1

x ≤ -3/2 or x≥1/3

Answer: The null hypothesis should be accepted and The results were not statistically significant

Step-by-step explanation:

Answer:

good morning is that has to go to the one that has to be done by the time to khow hasgot is a good idea to go

Step-by-step explanation:

Rhodes college football and I will be done by then to khow hasgot and I will send it out to me and decor is he still in the one I will send you the election results and

The ranking from highest to lowest surface area to volume ratio is: 1. Sphere 2. Box 3. Cube.

To rank the objects based on their surface area to volume ratios, we need to compare the ratios of surface area to volume for each object. Let's start with the sphere. The surface area of a sphere with radius r is given by the formula 4πr².

In this case, the radius is 0.62 inches. Therefore, the surface area of the sphere is approximately 4π(0.62)² square inches. The volume of the sphere is given by the formula (4/3)πr³.

Substituting the radius of 0.62 inches, we find that the volume of the sphere is approximately (4/3)π(0.62)³ cubic inches.

To calculate the surface area to volume ratio, we divide the surface area by the volume. In this case, we have (4π(0.62)^2) / [(4/3)π(0.62)^3] = 3 / 0.62. Next, let's consider the cube.

The surface area of a cube with side length s is given by the formula 6s²

In this case, the side length is 1 inch. Therefore, the surface area of the cube is 6(1)² square inches. The volume of the cube is given by the formula s³

Substituting the side length of 1 inch, we find that the volume of the cube is 1³ cubic inch. Dividing the surface area by the volume, we have (6(1)²) / 1 = 6.

Finally, let's look at the box. The surface area of a box with dimensions length, width, and height is given by the formula 2(length × width + width × height + height × length). In this case, the dimensions are 1 inch, 0.5 inch, and 2 inches respectively. Therefore, the surface area of the box is 2(1 × 0.5 + 0.5 × 2 + 2 × 1) square inches. The volume of the box is given by the formula length × width × height. Substituting the dimensions, we find that the volume of the box is 1 × 0.5 × 2 cubic inches. Dividing the surface area by the volume, we have [2(1 × 0.5 + 0.5 × 2 + 2 × 1)] / (1 × 0.5 × 2).

Comparing the surface area to volume ratios, we find that the sphere has the highest ratio, followed by the box, and then the cube. So, the ranking from highest to lowest surface area to volume ratio is: 1. Sphere 2. Box 3. Cube

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The truth value of the conditional statement is false, and the counterexample of this statement is corresponding angles

The conditional statement is given as:

If two angles are congruent, then they are vertical angles.

The above statement is false because not all congruent angles are vertical angles

A counterexample of this statement is a corresponding angle

i.e. corresponding angles are congruent angles, but they are not vertical angles

Hence, the truth value of the conditional statement is false, and the counterexample of this statement is a corresponding angle

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The researcher is interested in determining the practical significance of a statistically significant difference (p < .01) between the achievements of Grade 10 and Grade 11 learners in an emotional intelligence test.

To assess the practical significance of the statistically significant difference, the researcher should consider effect size measures. Effect size quantifies the magnitude of the difference between groups and provides information about the practical significance or real-world importance of the findings.

One commonly used effect size measure is Cohen's d, which indicates the standardized difference between two means. By calculating Cohen's d, the researcher can determine the magnitude of the difference in emotional intelligence scores between Grade 10 and Grade 11 learners.

Interpreting the effect size involves considering conventions or guidelines that suggest what values of Cohen's d are considered small, medium, or large. For example, a Cohen's d of 0.2 is often considered a small effect, 0.5 a medium effect, and 0.8 a large effect.

By calculating and interpreting Cohen's d, the researcher can determine if the statistically significant difference in emotional intelligence scores between Grade 10 and Grade 11 learners is practically significant. This information would provide insights into the meaningfulness and practical implications of the observed difference in achievement.

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