Please help!!!! Find the area of the triangle 14cm 4cm
all you have to do is times 14 x 4 = 56 then divide it by 2 which is 28
\( \: \)
\( \rm \: Base = 14 cm\)\( \: \)
To find:-\( \rm \: Area \: of \: Triangle = \: ?\)\( \: \)
By using formula:-\( \small{ \boxed{ \rm \color{green}{ {Area \: of \: Triangle \: = \frac{1}{2} ×Base×Height }}}}\)
Solution:-\( \rm \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: A = \frac{1}{2} Base × Height \\ \:\rm \: \: \: \: \: \: \: \: \: \: \: \: \: \: A = \frac{1}{2} × 14 × 4 \\ \: \: \: \: \: \: \: \: \rm A = \frac{1}{ \cancel{2}} × \cancel{ 56 } \\ \boxed{\rm \blue{ \: A = 28 \: }}\)
\( \: \)
The Area of the triangle is 28 !
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hope it helps! :)
In the parallelogram, find y.
бу + 10
X + 5
2x - 1
7y + 1
the population of a town is 13,000. It decreases at a rate of 5% per year. In about how many years will the population be less than 12,000?
a. 2
b. 3
c. 4
d. 5
A hot-air balloon travels 2,016 miles in
96 hours. It travels the same number
of miles each hour. How many miles
does the balloon travel in 1 hour?
Answer: 21 miles
Step-by-step explanation:
We know that it travels 2016 miles in 96 hours.
So we just need to get 2016 divided by 96 = 21 miles/ per hour
If you can please give me a Brainliest, I only need 3 more to become an Ace, thank you!
Hence, the miles does the balloon travel in one hour is \(21\) miles/ per hour.
What is the miles?
Mile is a customary unit used for measuring length or distance. More About Mile Mile is denoted by the symbol 'mi'.
Here given that,
A hot-air balloon travels \(2,016\) miles in \(96\) hours. It travels the same number of miles each hour.
As we know that it travels \(2016\) miles just only in \(96\) hours.
\(\frac{2016}{96}=21\) miles/ per hour
Hence, the miles does the balloon travel in one hour is \(21\) miles/ per hour.
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in a starch analysis, a magazine ad for absolute vodka received a score of 140. what does this mean?
There are 5 possibilities:
a. That particular ad scored 140 percent above comparable ads.
b. That particular ad scored 40 percent above comparable ads.
c. The percentage of respondents who read half or more of the written material in the ad was 40 percent.
d. The percentage of respondents who recalled seeing the ad was 40 percent.
e. That particular ad is capable of generating market share gains of 40 percent.
The purpose of the Starch Service is to report to what extent a client's magazine advertisements are seen and read. Using Starch, a client can compare the readership of current advertisements with past advertisements, or competitors advertisements. One use for the service is that it provides information as to how advertisements can be presented so that readership can be increased by the manipulation of various elements of magazine advertising included in the reports.
The answer is option (b): That particular ad scored 40 percent above comparable ads.
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I need help on this too
How do you find the maximum height of an object with only time
We have the formula h = 16t^2 - 80t
if you solve it you get 5 seconds for the time it is in the air. how do you find the maximum height from this
6000
Step-by-step explanation:
\(16t ^{2} - 80t\)
substitute t to 5(seconds)
\(16(5) ^{2} - 80(5) \\ 6400 - 400 \\ = 6000\)
Which type of tax describes excise taxes sales taxes and tolls
Answer:
flat tax
is the answer
I hope this helps you
Answer:
Flat tax
Step-by-step explanation:
somebody please help me thansk
Answer:
y=-2x-1
Step-by-step explanation:
Sometimes linear equations are written in forms other than y=mx+b . One common form looks like Ax+By=C .When you see an equation like this, you can find the slope and y-intercept by solving the equation for y, rewriting it into slope-intercept form.Rewrite 6x+2y=6 into slope-intercept form by solving for y.y=______From that we can see that:m=____b=____
Okay, here we have this:
Considering the provided equation, we are going to rewriting it into slope-intercept form. So we obtain the following:
6x+2y=6
2y=-6x+6
y=(-6x+6)/2
y=-3x+3
Finally we obtain that the equation of the line is slope-intercept form is y=-3x+3. Then replacing in y=mx+b, we have:
y=-3x+3
y=mx+b
Then, m=-3 and b=3.
A colony of insects doubles every day. If the colony has 5 insects todayHow many will be present in 20 days?
a.1310720
b. 2621440
c. 5242880
d. 10485760
help plz
Answer: b is the correct answer.
Step-by-step explanation:
The mean mass of five men is 76 kg. The masses of four of the men are 72 kg, 74 kg, 75 kg and 81 kg. What is the mass of the fifth man
Answer:
78kg
Step-by-step explanation:
76×5= 380kg
380-72-74-75-81= 78kg
Help please I will give brainliest!
Answer:
I believe it would be $1.25
Step-by-step explanation:
Since a lot of people bought doughnuts, that would probably be what most of them are spending their money on.
The coldest temperature recorded in Alaska was –80°F. This was 10°F warmer than the coldest temperature recorded in Siberia. Which equation can be used to find the coldest temperature recorded in Siberia?
The equation that can be used to find the coldest temperature recorded in Siberia is y + 10 = -80
Let the coldest temperature in Alaska be x
The coldest temperature recorded in Alaska was –80°F
x = –80°F
Let the coldest temperature in Siberia be y
The coldest temperature recorded in Alaska was 10°F warmer than the coldest temperature recorded in Siberia
This can be interpreted as:
Coldest temperature in Alaska = Coldest temperature in Siberia + 10
x = y + 10................(*)
Since x = -80
Substitute x = -80 into equation (*)
-80 = y + 10
This can be re-written as:
y + 10 = -80
The equation that can be used to find the coldest temperature recorded in Siberia is y + 10 = -80
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Darren claims if he increases a number by 10% and increases his answer by 10%, that that would be an increase of 20% overall. Show Darren is incorrect.
The most appropriate choice for Percentage will be given by
What is percentage?
Suppose there is a number and the number has to be expressed as a fraction of 100. Then that number is called percentage.
For example, 2% means \(\frac{2}{100}\)
Here,
Let the number be x
On increasing x by 10%, result = \(x + \frac{10}{100} \times x\)
= \(x + \frac{x}{10}\)
= \(\frac{10x +x}{10}\)
= \(\frac{11x}{10}\)
Now on increasing his answer by 10 %, result =
\(\frac{11x}{10}+\frac{10}{100}\times \frac{11x}{10}\\\frac{11x}{10} + \frac{11x}{100}\\\frac{110x + 11x}{100}\\\frac{121x}{100}\)
Total increase in number = \(\frac{121x}{100} - x\)
= \(\frac{121x-100x}{100} \\\)
= \(\frac{21x}{100}\)
Percentage increase = \(\frac{\frac{21x}{100}}{x} \times 100\)
= 21%
Percentage increase overall = 21 %
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Middle School teaches 6th, 7th, and 8th grade classes. The sixth grade has 318 students, the 7th has 286 students, and the 8th has 306 students. If the sixth grade takes a field trip and each student needs $3.50, how much total money is needed by the students? $910 c. $1113 b. $3185 d. $1071
Answer:
$3185
Step-by-step explanation:
Multiply the number of grade 6 students by the money needed ($3.50) and you get 318x3.50=1113
Multiply the number of grade 7 students by the money needed ($3.50) and you get 286x3.50=1001
Multiply the number of grade 8 students by the money needed ($3.50) and you get 306x3.50=1071
Add all the total amounts together and you get $3185
You need to make at least 360 wraps for a party. You can make 9 wraps per minute.
How long will it take you to make the number of wraps you need?
In two or more complete sentences write and solve an inequality for the situation and explain how you will solve the inequality.
Answer:
It will take 40 minutes for me to make the 360 wraps that I need.
9x ≥ 360 ⇒ x ≥ 40
Step-by-step explanation:
I have to make at least 360 wraps for a party.
I can make 9 wraps per minute.
So, it will take minutes for me to make the 360 wraps that I need.
If I work for x minutes to make wraps, then I will be able to make 9x wraps.
So, the inequality that models the given condition is
9x ≥ 360
⇒ x ≥ 40 {Dividing both sides by 9}
Therefore, I need to work at least 40 minutes to reach my goal. (Answer)
Step-by-step explanation:
Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p.
n=56, x=30; 95% confidence
A. 0.426
The 95% confidence interval for the population proportion is approximately 0.3573 to 0.7141. None of the given options (A, B, C, D) match the calculated interval.
To construct a confidence interval for the population proportion, we can use the formula:
Confidence Interval = sample proportion ± critical value * standard error
Where the sample proportion (p-hat) is calculated by dividing the number of successes (x) by the total sample size (n). In this case, n = 56 and x = 30, so the sample proportion is 30/56 = 0.5357.
The critical value is determined based on the desired degree of confidence. For a 95% confidence level, which is given in this case, the critical value can be obtained from a standard normal distribution. For a two-tailed test, the critical value is approximately 1.96.
The standard error is calculated by taking the square root of (p-hat * (1 - p-hat) / n). Plugging in the values, we get sqrt(0.5357 * (1 - 0.5357) / 56) = 0.0907.Now, we can construct the confidence interval:Confidence Interval = 0.5357 ± 1.96 * 0.0907Calculating the upper and lower bounds of the interval:
Lower bound = 0.5357 - (1.96 * 0.0907) ≈ 0.3573
Upper bound = 0.5357 + (1.96 * 0.0907) ≈ 0.7141\
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statistical power is a measure of the ability to reject the null hypothesis when:
Statistical power is a measure of the ability to reject the null hypothesis when it is false. It represents the probability of correctly identifying a true effect or relationship in a statistical hypothesis test.
A high statistical power indicates a greater likelihood of detecting a significant result if the null hypothesis is indeed incorrect. The power of a statistical test depends on several factors, including the sample size, the effect size (the magnitude of the true effect or difference), the chosen significance level (often denoted as α), and the variability or noise in the data. Increasing the sample size or effect size generally increases the statistical power, while a lower significance level or higher variability decreases it.
Power analysis is commonly used to determine an appropriate sample size for a study, ensuring that it is adequately powered to detect the desired effect. A higher power is desirable as it reduces the chances of a Type II error (failing to reject the null hypothesis when it is false) and increases the chances of correctly detecting real effects or relationships.
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13.6 divided by 0.81 simplified.
Answer:
16.8
Step-by-step explanation:
Cube root of 426 give your answer to the nearest integer
Answer:
3
Step-by-step explanation:
The tax that increases the price of an item or service is called
tax.
Answer:
also called a tariff.
Step-by-step explanation:
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Sandeep's city took a telephone poll about a plan to build a new hotel downtown. 8,000 people took the poll. 92% of them were in favor of the new hotel. How many people were in favor of the new hotel?
Answer: 640
Step-by-step explanation:
a.20
b.25
c.15
d.1
help me
How many angles are formed by the intersection of the diagonals?
The number of angles that are formed by the intersection of the diagonals is 4.
What is a square?A square is a four-equal-sided figure with diagonals cut perpendicular to each other, with a total of four angles formed by diagonals.
It is a geometrical figure with four sides, each of which must be equal, and an angle of 90 degrees between two adjacent sides.
Square area = Side²
The square's perimeter = 4 sides
Every square contains two diagonals. The intersection angle of both diagonals is 90 degrees. The number of diagonal angles equals four.
Therefore, the correct option is 4.
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Complete question
How many angles are formed by the intersection of the diagonals in a square?
Find the distance between (1, 5) and (5, 2) using the Pythagorean Theorem. Type a number for your answer.
Answer:
Distance = \(\sqrt{(1-5)^{2} + (5-2)^{2} }\) units
= \(\sqrt{(-4)^{2} + (3)^{2} }\) units
=\(\sqrt{25}\) units
= 5 units
How do you plot points on a graph?
Answer:
To plot points on a graph, you will need to first decide on the scale for the x-axis and the y-axis. This will depend on the range of values for your data. Once you have chosen the scale, you can plot the points by following these steps:
Identify the x-coordinate and y-coordinate of each point.
Starting at the origin (0,0), count along the x-axis the number of units indicated by the x-coordinate. For example, if the x-coordinate is 3, count 3 units to the right of the origin.
Next, count up or down the number of units indicated by the y-coordinate. For example, if the y-coordinate is -4, count 4 units down from the x-coordinate.
Place a dot at this point and label it with the coordinates.
Repeat this process for each additional point you want to plot.
Here is an example of how to plot points on a graph:
Suppose we want to plot the following points on a graph:
(1, 2)
(3, -1)
(-2, 4)
First, we decide on the scale for the x-axis and the y-axis. Let's say we want the x-axis to range from -3 to 4 and the y-axis to range from -5 to 5.
Next, we plot the first point, (1,2). Starting at the origin, we count 1 unit to the right along the x-axis, and then 2 units up along the y-axis. We place a dot at this point and label it with the coordinates.
Next, we plot the second point, (3,-1). Starting at the origin, we count 3 units to the right along the x-axis, and then 1 unit down along the y-axis. We place a dot at this point and label it with the coordinates.
Finally, we plot the third point, (-2,4). Starting at the origin, we count 2 units to the left along the x-axis, and then 4 units up along the y-axis. We place a dot at this point and label it with the coordinates.
Our final graph should have three points plotted on it, labeled with their respective coordinates.
Whats the factored form of the trinomial 2x^2-26x-60
Answer: Plz mark me brainlest
Step-by-step explanation:
You can factor out a 2, so do that first
2(x^2 - 13x + 30) = 0
Now look at x^2 - 13x + 30. Since you have a positive last term and a negative middle term, then you're looking for something in the form of (x - ?)(x - ?). We have to find two numbers whose product is 30 and whose sum is 13. The numbers must be 10 and 3:
2(x-3)(x-10) = 0
I will Brainlist Who can Answer this 4 Question Math
Match the situation with the corresponding linear system. Write the letter of your answer.
Answer:
6) B
7) D
8) C
9) A
Step by step explanation:
6) Brand A sold 12 notebooks
Brand B sold 28 notebooks
7)
8) 30 pieces of 100-peso bills
10 pieces of 50-peso bills
9) 4 packages have 2 pieces
6 packages have 3 pieces.
Consider the "Velocity vs Time" graph in Spreadsheet Chapter 4 Excel Example.xls If you were to draw a line through these points, the line would be almost perfectly straight and would slope upward. This is because Acceleration is increasing at, or close to, a constant rate Velocity is increasing at a increasing rate. Velocity is increasing at, or close to, a constant rate The time intervals are decreasing at a decreasing rate The time intervals are increasing at, or close to, a constant rate. None of these answers is correct Acceleration is increasing at an increasing rate
The correct statement is: Velocity is increasing at, or close to, a constant rate.
If a line drawn through the points on the "Velocity vs Time" graph is almost perfectly straight and slopes upward, it suggests that the velocity is changing at a constant rate. This means that the object's acceleration is constant over the given time interval.
Acceleration refers to the rate of change of velocity. If the velocity is increasing at a constant rate, it implies that the object is experiencing a constant acceleration. The slope of the line on the graph represents this constant acceleration.
It's important to note that a straight line with a constant slope on a velocity vs time graph indicates uniform acceleration. The steeper the slope, the greater the acceleration. In this case, if the line is almost perfectly straight and slopes upward, it suggests that the object's acceleration is increasing at a constant rate.
To summarize, when a line drawn through the points on the "Velocity vs Time" graph is almost perfectly straight and slopes upward, it indicates that the velocity is increasing at a constant rate, which implies that the object is experiencing a constant acceleration.
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