Write 4.4354 correct to 2 decimal places
The number 4.4354 correct to 2 decimal places is 4.44. The third digit, 5, indicates that the second decimal place is rounded up.
Explanation:The question is asking to write the number 4.4354 correct to 2 decimal places. When you're rounding a number to a certain number of decimal places, you look at the digit in the next spot decimal place. In this case, for two decimal places, we look at the third decimal. If this number is 5 or above, we 'round up' the second decimal place by one digit. If it is less than 5, we leave it as is. The third digit in this case is 5, so we 'round up' meaning the number 4.4354 written correct to 2 decimal places is 4.44.
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If f(x) is an odd function and the graph of f(x) includes points in Quadrant IV, which statement about the graph of f(x) must be true?
a) It includes points in Quadrant I.
b) It includes points in Quadrant II.
c) It does not include points in Quadrant I.
d) It does not include points in Quadrant II.
Answer:
B) it includes points in quadrant ii
The graph of f(x) must include points in quadrants II and IV. Therefore, option B is the correct answer.
What is an odd function?A function is such that f(−x) =−f (x) where the sign is reversed but the absolute value remains the same if the sign of the independent variable is reversed.
So,
The points in quadrants II are in IV.
The points in quadrants I are in III.
From the question, we understand that graph includes the points in IV.
This means that these points are also in quadrant II.
Hence, the graph of f(x) must include points in quadrants II and IV.
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Jace walked a total of 5/6 of a mile to school this week how far did he walk for 5 days
Final answer:
To find how far Jace walked to school each day, divide the total distance (5/6 of a mile) by the number of days (5), resulting in 1/6 of a mile walked each day.
Explanation:
The question involves calculating the distance Jace walked to school each day if he walked a total of 5/6 of a mile over 5 days. To find out how far he walked each day, we need to divide the total distance by the number of days.
Here's the step-by-step calculation:
Total distance walked: 5/6 of a mile.
Number of days: 5 days.
To find the distance walked each day, divide the total distance by the number of days: (5/6) ÷ 5 = 5/6 ÷ 1/5 = 5/30 = 1/6.
So, Jace walked 1/6 of a mile to school each day.
Talia took the bus from her home to the bank and then walked back to her home along the same route. The bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. To determine the time, x, that it took Talia to walk home, she used the equation 40(0.9 – x) = 5x.
Talia took approximately 0.8 hours, or 48 minutes, to walk home.
Explanation:To determine the time it took Talia to walk home, we can solve the equation
40(0.9 – x) = 5x.
First, distribute the 40 to get 36 - 40x = 5x.
Combine like terms to get 36 = 45x.
Divide both sides by 45 to solve for x.
Therefore, Talia took approximately 0.8 hours, or 48 minutes, to walk home.
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To solve the equation 40(0.9 – x) = 5x, distribute 40, combine like terms, and solve for x. Talia took 0.8 hours or 48 minutes to walk home.
Explanation:The subject of this question is Mathematics and the grade level is High School.
To solve the equation 40(0.9 – x) = 5x, we can start by distributing 40 to the terms inside the parentheses: 36 – 40x = 5x.
Then, we combine like terms by adding 40x to both sides: 36 = 45x.
Finally, we divide both sides by 45 to find that x = 36/45 = 0.8.
Therefore, it took Talia 0.8 hours, or 48 minutes, to walk home.
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salina was at a party and she noticed that the room had 54 balloons. for every red balloon there were 2 yellow balloons and 3 blue balloons. how many blue balloons were there?
Answer:
27 blue balloons
Step-by-step explanation:
Salina was at a party and she noticed that the room had 54 balloons.
For every red balloon there were 2 yellow and 3 blue balloons.
This is written in the form of ratio as = 1 : 2 : 3
First we calculate the number of red balloon.
54 / (1 + 2 + 3)
= 54 / 6 = 9 red balloons
For every red balloons there were 3 blue balloons.
Therefore, Blue balloons = 9 × 3 = 27 blue balloons
27 blue balloons were in the room.
Stephan' sculpture is 7/12 foot tall. He attaches it to a base that is 1/3 foot tall. How tall, in feet, is the sculpture with the base?
Final answer:
To find the total height of Stephan's sculpture with the base, we add the heights represented by fractions with a common denominator to get an overall height of 11/12 feet.
Explanation:
To determine the overall height of Stephan's sculpture with the base, we simply need to add the height of the sculpture to the height of the base. The sculpture is 7/12 foot tall and the base is 1/3 foot tall. To add these two fractions together, we need to find a common denominator, which is 12 in this case. So, we convert 1/3 foot into 4/12 foot. Now we can add the two fractions:
7/12 + 4/12 = 11/12 feet
Therefore, the combined height of the sculpture and the base is 11/12 feet.
In the image, point A is the center of the circle. Which two line segments must be equal in length?
AH¯¯¯¯¯ and BC¯¯¯¯¯
HI¯¯¯¯ and BC¯¯¯¯¯
EF¯¯¯¯¯ and HI¯¯¯¯
EF¯¯¯¯¯ and AI¯¯¯¯
Answer: [tex]\overline{EF}=\overline{HI}[/tex]
Step-by-step explanation:
Given: In the image, point A is the center of the circle.
Therefore every straight line segments passing from one to another point of circle through the center of circle A is the diameter of the circle.
Since, [tex]\overline{EF}[/tex] and [tex]\overline{HI}[/tex] are the line segments passing from side to side of circle through the center of circle A is the diameter of the circle, then both are representing diameter of the given circle.
Since, all the diameter of a circle has a unique length .
Hence, the line segments must be equal in length :
[tex]\overline{EF}=\overline{HI}[/tex]
Kevin, while calculating his tax adjustments, notes that he can make adjustments of $3,435 for contributions to his retirement plan, $3,393 for business losses, and $1,128 for business expenses. If Kevin’s gross income is $45,942, what is his adjusted gross income?
a. $53,898
b. $40,242
c. $41,421
d. $37,986
Answer: Option 'D' is correct.
Step-by-step explanation:
Since we have given that
Amount of Kevin's gross income = $45942
Amount he contribute to his retirement plan = $3435
Amount he lost in business losses = $3393
Amount he incurred in business expenses = $1128
So, His adjusted gross income will be
[tex]45942-(3435+3393+1128)\\\\=45942-(7956)\\\\=\$37986[/tex]
Hence, his adjusted gross income is $37,986.
Hence, Option 'D' is correct.
How to expand 5x(5 3x)?
The initial number of veiws for a reader board was 25. The number of views is growing at a rate of 18% per week.
What is the number of views expected to be four weeks from now?
Round to the nearest whole number.
Answer:
The answer is 48
Step-by-step explanation:
At the time of 0 there are 25 views are exist for a reader board. If the growing rate is %18 than;
[tex]25*1,18=29,5[/tex]
There is no 0,5 view is exist than we need to round up to 30. 30 views for a reader board are exist. Than we need to repeat it for future three weeks.
[tex]30*1,18=35,4[/tex]
Second week its 35
[tex]35*1,18=41,3[/tex]
Third week its 41
[tex]41*1,18=48,38[/tex]
Forth week it goes up to 48 views.
If a 16 in. by 24 in. picture has a wooden frame "x" in. wide surrounding it, what equation can be used to find the total area of the picture and frame? ...?
Which ordered pairs lie on the graph of the exponential function f(x)=128(0.5)x Question 1 options:
(0, 1)
(1, 64)
(3, 16)
(8, 0.5)
The ordered pairs lie on the graph of the exponential function is (3, 16).
What is Exponential Function?The formula f(x) = [tex]a^x[/tex]defines an exponential function, where x is the input variable as an exponent. The exponential curve is determined by the exponential function and the value of x.
We have,
f(x) = 180 (0.5[tex])^x[/tex]
Now, for x = 0,
So, f(x) = 128(0.5[tex])^0[/tex]
= 128(1)
= 128
Now, for x = 1,
f(x) = 128(0.5[tex])^1[/tex]
= 128(0.5)
= 256
Now, for x = 3,
f(x) = 128(0.5[tex])^3[/tex]
= 128(1/8)
= 16
So, the correct ordered pair is (3, 16).
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Expand (4x-3y)^4 using pascal's triangle ...?
Express the area of this triangle as a monomial.
(picture below)
A. 28x^2
B. 1x
C. 11x^2
D. 14x^2
An airplane flies 3/4 of a mile in 1/8 of a minute what is the airplane speed in miles per minute
Answer:
Step-by-step explanation:
Use proportions to figure this out. On the top you'll have miles and on the bottom you'll have minutes. I am going to change 3/4 to .75 and 1/8 to .125:
[tex]\frac{miles}{minute}:\frac{.75}{.125}[/tex]
We want to know how many miles per 1 minute that is. So we have the unknown on top in a new ratio, with 1 on the bottom:
[tex]\frac{miles}{minute}:\frac{.75}{.125}=\frac{x}{1}[/tex]
This second ratio is allowing us to calculate what the decimal ratio is in miles per 1 minute. Cross multiply to get
.125x = .75 so
x = 6 miles
That tells us that the decimal ratio is equivalent to 6 miles per minute
Find the distance between (4, 2) and (-4 ,-4).
A) 2
B)√10
C) 4
D) 10
"Find the constants m and b in the linear function f(x) = mx + b so that f(2) = 10 and the straight line represented by f has slope -5."
f(x) = mx + b m = slope = -5 f(2) = 10 = (-5)(2) + b b = 10 + 10 = 20 Ans. m=-5, b = 20
For all real numbers a and b, if ab=0, then a=0 or b=0. True or false?
Brandon has two 9 cookies. Natalie has 2 less than cookies than Brandon. How many cookies does Natalie have ?
Which is bigger, 0.25 or 0.6?
the length of lisa's rectangular dining room is 12 feet. if the area of the room is at least 96 square feet, what is the smallest width the room could have?
-(2.1c-4d). simplify the expression
It takes ten identical pieces to form a circular track for a pair of toy racing cars. If the inside arc of each piece is 3.4 inches shorter than the outside arc, what is the width of the track? ...?
To find the width of the track, add up the lengths of all the inside and outside arcs and subtract the total length of the inside arcs from the total length of the outside arcs.
Explanation:To find the width of the track, we first need to determine the difference between the inside and outside arcs of each piece. Let's assume the outside arc has a length of A inches. According to the question, the inside arc is 3.4 inches shorter than the outside arc. Therefore, the inside arc has a length of A - 3.4 inches.
Since there are ten identical pieces forming the circular track, we can add up the lengths of all the inside arcs and all the outside arcs to find the total distance covered by the track. The width of the track is then the difference between the total length of the outside arcs and the total length of the inside arcs.
Let's express the width of the track as a function of A. The total length of the outside arcs is 10A inches, and the total length of the inside arcs is 10(A - 3.4) inches. Therefore, the width of the track is:
Width = 10A - 10(A - 3.4) inches.
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Sarah is bringing 12 cupcakes to a party and Bob is bringing another 8 cupcakes to a party. There will be a total of 10 people at the party. How many cupcakes can each person have at the party?
The difference between the square of two numbers is five. Twice the square of the second number is subtracted from three times the square of the first number is 19. Find the numbers. Please show work. The difference between the square of two numbers is five. Twice the square of the second number is subtracted from three times the square of the first number is 19. Find the numbers. Please show work.
The two possible pairs of numbers that fit the given equations are (√7, 2) and (-√7, -2). We find these by setting up two equations based on the provided conditions and solving them simultaneously.
Explanation:Let's denote the first number as 'x' and the second number as 'y'. We have two equations from the given information:
1. x² - y² = 5
2. 3x² - 2y² = 19
We can solve these equations simultaneously to find the values of 'x' and 'y'. The first step in solving a system of linear equations is to multiply the equations by what's needed to get the coefficients of one of the variables to match, so it can be eliminated when the equations are added or subtracted. Let's multiply the first equation by 3 and the second equation by 1. We then have:
3x² - 3y² = 15
3x² - 2y² = 19
If we subtract the second equation from the first, we get:
-y² = -4
which leads to y = 2 or y = -2 (squared numbers are always positive). Substituting '2' for 'y' in the first original equation, we find that x = √7 or x = -√7. Therefore, the possible pairs of numbers are (√7, 2) and (-√7, -2).
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Joey had a summer job mowing lawns for 4 weeks. he made a total of $440. approximately how much did he make each week?
Answer: $110
Step-by-step explanation: $110 is the correct approximation. The easiest way is to divide the total by 4, since 25% represents 1 /4 .
determine whether multiplication by A is one to one linear transformation
a)A=[ 1 -1
2 0
3 -4]
b) A=[ 1 2 3
-1 0 4] ...?
Find the value of y in the sequence 2, 8, 3y +5,...
1. If the sequence was arithmetic
2. If the sequence was geometric
In an arithmetic sequence, the common difference is constant. In a geometric sequence, the terms are obtained by multiplying the previous term by a constant ratio. In this case, the value of y in the sequence is 3 for an arithmetic sequence and 9 for a geometric sequence.
Explanation:In an arithmetic sequence, the difference between consecutive terms is constant. To find the value of y in the sequence 2, 8, 3y + 5, we observe that the common difference is 8 - 2 = 6. Therefore, we can set up the equation 8 - 2 = 3y + 5 - 8 to solve for y. Simplifying, we get 6 = 3y - 3. Solving for y, we have y = 3.
In a geometric sequence, each term is obtained by multiplying the previous term by a constant ratio. To find the value of y in the sequence 2, 8, 3y + 5, we need to determine the common ratio. We can see that the ratio between 8 and 2 is 8/2 = 4. Therefore, we can set up the equation 8/2 = (3y + 5)/8 to solve for y. Simplifying, we get 4 = (3y + 5)/8. Multiplying both sides by 8, we have 32 = 3y + 5. Solving for y, we get y = 9.
Let f(x) = 8x3 - 28x + 61 and g(x) = 2x + 5. Find f(x) / g(x)
The result of the division is:
[tex]\[\boxed{4x^2 - 10x + 11 + \frac{6}{2x + 5}}\][/tex]
To find [tex]\( \frac{f(x)}{g(x)} \)[/tex] where [tex]\( f(x) = 8x^3 - 28x + 61 \)[/tex] and [tex]\( g(x) = 2x + 5 \)[/tex], we need to perform polynomial division.
Polynomial Division
1. Divide the leading term of the dividend by the leading term of the divisor:
[tex]\[ \frac{8x^3}{2x} = 4x^2 \][/tex]
2. Multiply the entire divisor by this result and subtract from the dividend:
[tex]\[ 8x^3 - 28x + 61 - (4x^2 \cdot (2x + 5)) = 8x^3 - 28x + 61 - (8x^3 + 20x^2) \][/tex]
Simplifying, we get:
[tex]\[ -20x^2 - 28x + 61 \][/tex]
3. Repeat the process with the new polynomial:
[tex]\[ \frac{-20x^2}{2x} = -10x \][/tex]
4. Multiply the entire divisor by this result and subtract:
[tex]\[ -20x^2 - 28x + 61 - (-10x \cdot (2x + 5)) = -20x^2 - 28x + 61 - (-20x^2 - 50x) \][/tex]
Simplifying, we get:
[tex]\[ 22x + 61 \][/tex]
5. Repeat the process again:
[tex]\[ \frac{22x}{2x} = 11 \][/tex]
6. Multiply the entire divisor by this result and subtract:
[tex]\[ 22x + 61 - (11 \cdot (2x + 5)) = 22x + 61 - (22x + 55) \][/tex]
Simplifying, we get:
[tex]\[ 6 \][/tex]
Putting it all together, we have:
[tex]\[\frac{f(x)}{g(x)} = 4x^2 - 10x + 11 + \frac{6}{2x+5}\][/tex]
So, the result of the division is:
[tex]\[\boxed{4x^2 - 10x + 11 + \frac{6}{2x + 5}}\][/tex]
. Help I can't find anyone who knows the answer to this!
A scientist sets up an experiment to see how colored lights affect the height of plant growth. He grows one group of plants in full sunlight, one group under red lights, one group under blue lights, and one group under green lights. All the plants are exactly that same type and all receive an equal intensity of life. At the end of the experiment he measures all the plants.
What is the independent and dependent variable in this equation?
(A) the color of the light
(B) the height of the plant
(C) sunlight
(D) The intensity of the light