Answer:
33.33%
Step-by-step explanation:
We know that:
At her four month weighs: 18 pounds.
Six month later weighs: 24 pounds.
So, the baby increased 6 pounds. But, what percentage represents?
To solve this problem we use the rule of three:
If 18 pounds represents 100%, 24 pounds what percentage would be?
So, if we subtract 100%-133.33%, we have a 33.33% more. This means that the baby increased a 33.33% during those six months.
write a function that returns a decimal number from a binary string. the function header is as follows: int bin2dec(const string& binarystring)
The return type of the function is an integer (int), which corresponds to the decimal value of the binary string.
here is a possible implementation of the bin2dec function:
```
#include
using namespace std;
int bin2dec(const string& binarystring) {
int decimal = 0;
int power = 1;
for (int i = binarystring.length() - 1; i >= 0; i--) {
if (binarystring[i] == '1') {
decimal += power;
}
power *= 2;
}
return decimal;
}
```
This function takes a binary string as input and returns the corresponding decimal number as output. It uses a loop to iterate through the characters of the string from right to left, starting with the least significant bit. For each bit that is a '1', it adds the corresponding power of 2 to the decimal value. Finally, it returns the decimal value.
Note that the function header specifies that the input binary string should be passed as a const reference to a string object, which means that the string cannot be modified inside the function. The return type of the function is an integer (int), which corresponds to the decimal value of the binary string.
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If you had money in a savings account earning 9% interest per year, how much would you make in interest on a deposit of $60.00 over two years?
The amount of interest earned on a deposit of $60.00 at a rate of 9% per annum for 2 years is $108.
As per the given problem:
Amount deposited = $60.00
Interest rate per year = 9%
The formula for calculating the interest is given by:
Interest = (Principal × Rate × Time)/100
Where Principal is the initial amount invested or deposited
Rate is the percentage of interest that you earn per annum
Time is the duration for which you want to calculate the interest
Putting the values in the above formula, we get:
Interest = (60 × 9 × 2)/100= (108 × 1)/1= $108
So, the amount of interest earned on a deposit of $60.00 at a rate of 9% per annum for 2 years is $108.
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Gordon types 2,736 words in 36 minutes. Find the unit rate.
Answer:
76 words each minute
Step-by-step explanation:
there are 8 circles and 6 squares. what is the simplest ratio of squares to circles.
Answer:
4:3
Step-by-step explanation:
8:6 then divide both by 2
if f(x) = -6x - 2. find f (-3)
Answer:
f(- 3) = 16
Step-by-step explanation:
substitute x = - 3 into f(x) , that is
f(- 3) = - 6(- 3) - 2 = 18 - 2 = 16
A rectangle is 29 feet long and 7 feet long. What is the area of this rectangle? 203 ft² 143 ft² 107 ft² 72 ft²
Answer:
203 ft²
Step-by-step explanation:
We need to use multiplication for the answer of this.
29 × 7 = 203
so that means that the answer in feet is 203 ft²
good luck hope this helped
-cheesetoasty
there are 40 stores in the Newport mall 12 of the stores in the Newport mall sell clothing what percentage of stores DO NOT sell clothing
Answer:
12 divided by 40 = 0.3
0.3 times 100 = 30%
30% of stores DO sell clothing
Lets subtract
100-30=70%
70% of stores DO NOT sell clothing
2 Drag each tile to the correct box. The water level of a tank every minute since it began filling is indicated by segments A, B, and C on the graph below. A graph represents the water level to fill the tank on Y-axis per time on X-axis. Segments A, B, and C fill the tank from 10 to 60, 60 to 80, and 80 to 110 centimeters in the first 2, next 4, and last 3 minutes. Place the segments in the correct order from the least to the greatest rate of increase in the water level. B A C , , Reset Next Graphing Relations: Mastery Test © 2023 Edmentum. All rights reserved.
Least to greatest slope, the segments are B, C, A.
What is the segment's slope ?
The slope of a line segment indicates how steep the line segment is. It is the ratio of rise (the change in vertical height between the endpoints) to run (the change in horizontal length between the endpoints).
The segment's slope provides information about how quickly the water level is rising. In relation to the angle the segment makes with the +x axis, the slope is defined as the rise to run ratio.
Greater slope can be found in segments that have more ascent for a given run. With respect to the +x axis, segments with a greater reference angle have a steeper slope.
Segment B has the least slope in this case, followed by segment C, and then segment A, which has the greatest slope.
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five chickes eat 10 bags of scratch in 20days. How long does it take 18 chickens to eat100 bags of scratch
Answer:
You can use logic and proportion here
Step-by-step explanation:
10 bags ---> 20 days
∴ 100 bags ---> 20 days x \(\frac{100 bags}{10bags}\)
---> 20 days x 10
----> 200 days
is figure pqrstu a translation, reflection, or rotation? Explain your reasoning
PLEASE HELP ME
Answer: I'd say reflection
Answer:
It is a reflection
Step-by-step explanation:
In Geometry, a reflection is known as a flip. A reflection is a mirror image of the shape. An image will reflect through a line, known as the line of reflection. A figure is said to reflect the other figure, and then every point in a figure is equidistant from each corresponding point in another figure.
what is the slope of the line
Answer:
Step-by-step explanation: 1/2 is the slope of the line
find the missing coordinates such that the three vectors form an orthonormal basis for : 0.6 -0.8 , 1 , 0.6 .
The three vectors that form an orthonormal basis for R3 are:
u = (0.6, -0.8, 0)
v = (1, 0, 0)
w = (0, 0, 0.6)
To find the missing coordinates such that the three vectors form an orthonormal basis for R3, we need to use the concept of coordinates, vectors, and orthonormality.
First, let's define the three vectors as u = (0.6, -0.8, 0), v = (1, 0, 0), and w = (0, 0, 0.6).
To form an orthonormal basis for R3, the three vectors need to be orthogonal to each other and have a magnitude of 1.
Orthogonality means that the dot product of any two vectors is 0. So we need to find the missing coordinates of w such that:
u • v = 0
u • w = 0
v • w = 0
Since u and v are already orthogonal to each other, we only need to find the missing coordinates of w such that it is orthogonal to both u and v.
Let's start with u • w = 0:
0.6 * 0 + (-0.8) * 0 + 0 * 0.6 = 0
This equation is already satisfied, so we don't need to find any missing coordinates for w in relation to u.
Now let's look at v • w = 0:
1 * 0 + 0 * 0 + 0 * 0.6 = 0
Again, this equation is already satisfied, so we don't need to find any missing coordinates for w in relation to v.
Since both equations are satisfied, the missing coordinates of w are (0, 0).
Therefore, the three vectors that form an orthonormal basis for R3 are:
u = (0.6, -0.8, 0)
v = (1, 0, 0)
w = (0, 0, 0.6)
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Joshua sells a pack of pens for $3.15, which is 5 percent more than he pays for them. Which equation will help find x, the amount he pays for a pack of pens? How many solutions will this equation have?
Answer:
If Joshua sells a pack of pens for $3.15, which is 5 percent more than he pays for them, we can set up the following equation:
1.05x = 3.15
Here, x represents the amount Joshua pays for a pack of pens.
To solve for x, we can divide both sides of the equation by 1.05:
x = 3.15 / 1.05
Simplifying, we get:
x = 3
Therefore, Joshua pays $3 for a pack of pens.
This equation will have only one solution, which is x = 3.
hope it helps you
Step-by-step explanation:
ONE solution
x = price he pays
1.05x = price at which he sells
1.05x = $ 3.15
x = $ 3.15/1.05
Paul has finished 6/11 of his work. Represent the fraction
Answer:
0.54545454545 as a decimal
Step-by-step explanation:
Find f(7) when f(x)=−5x+2.
Answer:
-33
Step-by-step explanation:
Plug it in;
f(7)= -5(7)+2
-5(7)= -35+2= -33
Alan's bamboo plant adds some flair to his apartment. In four weeks, Alan has trimmed a total of inches off the top of the plant. What is the rate of change in the plant's height in terms of inches per week? Ignore the growth rate of the plant.
The rate of change in the plant's height in terms of inches per week will be 1 2/3 inches.
How to calculate the rate?Rate of change is used to mathematically describe the percentage change in value over a defined period of time, and it represents the momentum of a variable.
The calculation for the rate of change is simple in that it takes the current value of a stock or index and divides it by the value from an earlier period.
The change in y (y being the height of the plant) over 4 weeks was 6 2/3 inches and there are four weeks. Therefore, the average height will be:
= 6 2/3 ÷ 4
= 1 2/3 inches
The average rate of change of the plant growth per week was 1 2/3 inches.
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Complete question:
Alan's bamboo plant adds some flair to his apartment. In four weeks, Alan has trimmed a total of 6 2/3 inches off the top of the plant. What is the rate of change in the plant's height in terms of inches per week? Ignore the growth rate of the plant.
a.+1 2/3B)-1 2/3C)+3/5D)-5/2
need your help with math
Answer:
y=3/4x+2
Step-by-step explanation:
if the population distribution is extremely skewed, the sampling distribution for the sample mean will be skewed when the sample size is small (less than 30). T/F
The given statement is false, if the sample size is large enough, the skewness of the population distribution does not affect the shape of the sampling distribution for the sample mean.
When the population distribution is extremely skewed, the sampling distribution for the sample mean will be skewed when the sample size is small (less than 30). Skewness refers to the degree of asymmetry in a probability distribution. In a skewed distribution, the tail of the distribution extends either to the right or to the left, and the mean, median, and mode of the distribution are not equal.
In a small sample, the distribution of the sample mean tends to follow the shape of the population distribution, meaning that it will also be skewed if the population distribution is extremely skewed. This is because when the sample size is small, the sample mean is highly influenced by extreme values or outliers in the population, which can distort the shape of the sampling distribution.
However, as the sample size increases, the sampling distribution of the sample mean becomes more symmetric and approaches a normal distribution, regardless of the shape of the population distribution. This is known as the central limit theorem, which states that the distribution of the sample mean approaches a normal distribution as the sample size increases.
Therefore, if the sample size is large enough, the skewness of the population distribution does not affect the shape of the sampling distribution for the sample mean.
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A ABC is an isosceles triangle. Z A is the vertex angle, AB = 4x – 14
and AC = x + 10. Find the length of one of the legs.
The length of one of the legs is ...
Answer:
BC=AB
Step-by-step explanation:
This triangle is isosceles that it means has two equal ribs. BC=AB so BC= 4x-14. I think it is in the right form. It depends on how you named the triangle. The important thing is that two equal ribs are those ribs that are in front not the base.
1. (1 point) Let x be a real number. Show that a (1 + x)2n > 1+ 2nx for every positive integer n.
For a real number x, by using mathematical induction it is shown that a\((1 + x)^{2n}\) > 1 + 2nx for every positive integer n.
To prove the inequality a\((1 + x)^{2n}\) > 1 + 2nx for every positive integer n, we will use mathematical induction.
The inequality holds true for n = 1, and we will assume it is true for some positive integer k.
We will then show that it holds for k + 1, which will complete the proof.
For n = 1, the inequality becomes a\((1 + x)^2\) > 1 + 2x.
This can be expanded as a(1 + 2x + \(x^2\)) > 1 + 2x, which simplifies to a + 2ax + a\(x^2\) > 1 + 2x.
Now, let's assume the inequality holds true for some positive integer k, i.e., a\((1 + x)^{2k}\) > 1 + 2kx.
We need to prove that it holds for k + 1, i.e., a\((1 + x)^{2(k+1)}\) > 1 + 2(k+1)x.
Using the assumption, we have a\((1 + x)^{2k}\) > 1 + 2kx.
Multiplying both sides by \((1 + x)^2\), we get a\((1 + x)^{2k+2}\) > (1 + 2kx)\((1 + x)^2\).
Expanding the right side, we have a\((1 + x)^{2k+2}\) > 1 + 2kx + 2x + 2k\(x^2\) + 2\(x^2\).
Simplifying further, we get a\((1 + x)^{2k+2}\) > 1 + 2(k+1)x + 2k\(x^2\) + 2\(x^2\).
Since k and x are positive, 2k\(x^2\) and 2\(x^2\) are positive as well.
Therefore, we can write a\((1 + x)^{2k+2}\) > 1 + 2(k+1)x + 2k\(x^2\) + 2\(x^2\) > 1 + 2(k+1)x.
This proves that if the inequality holds for some positive integer k, it also holds for k + 1.
Since it holds for n = 1, it holds for all positive integers n by mathematical induction.
Therefore, we have shown that a\((1 + x)^{2n}\) > 1 + 2nx for every positive integer n.
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What are some examples of exponential relationships?
An exponential function is a Mathematical function in the form f (x) = ax, where “x” is a variable and “a” is a constant which is called the base of the function and it should be greater than 0. The most commonly used exponential function base is the transcendental number e, which is approximately equal to 2.71828.
An exponential function is defined by the formula f(x) = ax, where the input variable x occurs as an exponent. The exponential curve depends on the exponential function and it depends on the value of the x.
The exponential function is an important mathematical function which is of the form
f(x) = \(a^x\)
Where a>0 and a is not equal to 1.
x is any real number.
If the variable is negative, the function is undefined for -1 < x < 1.
Here,
“x” is a variable
“a” is a constant, which is the base of the function.
The examples of exponential functions are:
f(x) = \(2^x\)
f(x) = 1/ \(2^x\) = \(2^-x\)
f(x) =\(2^(x+3)\)
f(x) = \(0.5^x\)
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6x + 3x - x + 9 = 33
Answer: x=3
Step-by-step explanation:
6x + 3x - x + 9 = 33
Combine like terms:
6x+3x-x=8x
The equation is now 8x+9=33
Subtract 9 on both sides:
8x+9-9=33-9
8x=24
Divide 8 on both sides:
8x/8=24/8
x=3
3x-100 what does x equal?
(L5) Given: ΔABC with AC>AB;BD¯ is drawn so that AD¯≅AB¯Prove: m∠ABC>m∠C
Angle ABC is greater than angle C, as required. Given triangle ABC with AC greater than AB, and BD drawn such that AD is congruent to AB, we need to prove that angle ABC is greater than angle C.
To begin with, we can draw a diagram to visualize the situation. In the diagram, we see that BD is an altitude of triangle ABC, as well as a median since it divides the base AC into two equal parts. We also see that triangles ABD and ABC are congruent by the side-side-side (SSS) criterion, which means that angle ABD is equal to angle ABC.
Now, we can use this information to prove our statement. Since triangle ABD and triangle ABC are congruent, their corresponding angles are also equal. Therefore, we know that angle ABD is equal to angle ABC.
Next, we observe that angle ABD is a right angle, since BD is an altitude of triangle ABC. This means that angle ABC is the sum of angles ABD and CBD.
Since AD is congruent to AB, we also know that angles ABD and ADB are congruent. Therefore, angle CBD is greater than angle ADB.
Putting all of this together, we can conclude that angle ABC is greater than angle C, as required.
In summary, we have shown that given triangle ABC with AC greater than AB and BD drawn such that AD is congruent to AB, angle ABC is greater than angle C. This is because angles ABD and CBD add up to angle ABC, and angle CBD is greater than angle ADB.
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0. The temperature drops 2 degrees per hour for 3 hours. Which of the
following expressions does NOT describe this change in temperature?
a. -2 + (-2) + (-2)
b. 2(3)
d. -2 - (2) - (2)
c. -2(3)
Answer:
B. 2(3)
Step-by-step explanation:
The other 3 all shows decreasing of 2 three times. 2(3) would be increasing.
Line y = 7 is the perpendicular bisector of the segment with endpoints A(2, 10) and B(2, k) . What is the value of k?
Answer: 14
Step-by-step explanation:
\(\text{The midpoint of the segment is } \left(\frac{2+2}{2}, \frac{10+k}{2} \right)=(2, 5+0.5k). \\ \\ \text{We know that the line passing through this midpoint is } y=7 \\ \\ \text{so } 0.5k=7 \longrightarrow \boxed{k=14}\)
Object 1: Cereal Box
3D shape: Rectangular Prism
Dimensions:
length = 12 inches
width = 8 inches
height = 1.75 inches
find the volume formula and the volume
The volume of the rectangular prism for the given dimensions length , width , and the height is equal to 168 cubic inches.
Dimensions of the rectangular prism is equal to,
length of the rectangular prism = 12 inches
width of the rectangular prism = 8 inches
height of the rectangular prism = 1.75 inches
The formula for the volume of a rectangular prism is equal to,
Volume of the rectangular prism = length x width x height
Plugging in the given values of the dimensions , we have,
⇒ Volume of the rectangular prism = 12 inches x 8 inches x 1.75 inches
Simplifying this expression to get the volume of rectangular prism, we get,
⇒ Volume of the rectangular prism = 168 cubic inches
Therefore, the volume of the rectangular prism is 168 cubic inches.
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Which equation shows the point-slope form of the line that passes through 3 2 and has a slope of 1 3?.
The point-slope form of the line is y - 2 = 1/3(x - 3).
What is slope ?
A line's steepness is determined by its slope. In mathematics, slope is determined by "rise over run" (change in y divided by change in x).
An equation is a mathematical statement that proves two mathematical expressions are equal in algebra, and this is how it is most commonly used. In the equation 3x + 5 = 14, for instance, the two expressions 3x + 5 and 14 are separated.
The equation of the line into point slope-form is equal to
y - y1 = m(x - x1)
slope(m) = 1/3
(3,2)....x1 = 3 and y1 = 2
now we sub
y - 2 = 1/3(x - 3)
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Noah said, "Division always results in a smaller number. When you divide a number by a second number, the result will always be smaller than the first number."
Jada said, "I disagree. I think the result can be larger or smaller, depending on the number you are dividing by."
Do you agree with Noah or Jada?
LaTeX: 20\div420÷4 results in a number
[ Select ]
20.
LaTeX: 20\div\frac{1}{4}20÷14 results in a number
[ Select ]
20, so
[ Select ]
is correct.
Answer:
Step-by-step explanation:
Greater, provided the divisor is positive.
It would be more accurate and clearer to say that when dividing a number which is greater than zero by a number between 0 and 1, then the quotient is greater than the dividend.
If the divisor is negative and the dividend is positive, then the quotient is negative (and hence less than the dividend).
A pipe cleaner lay across a wire shelf. The wires that make up the shelf are parallel, and the pipe cleaner is a transversal. The parallel wires are labeled a, b, and, c, and the angles are labeled with numbers.
The measure of one angle is 130°. Which statement is true regarding the 130° angle and angle 3?
They are same-side interior angles, so angle 3 measures 50°.
They are alternate interior angles, so angle 3 also measures 130°.
They are corresponding angles, so angle 3 also measures 130°.
They are alternate exterior angles, so angle 3 measures 50°.
Answer:
They are alternate interior angles, so angle 3 also measures 130°.Step-by-step explanation:
Notice that the pair of angles are inside parallels, and at different sides of the transversal. So, those angles are alternate interior angles by definition, which means they are congruent.
Therefore, the right answer is B.