Answer:
2.5 10 to the power six i guess i didnt do this for a point so plz if somebody is going to dlt this answer then please dont do this
Step-by-step explanation:
Answer:
25 x 10 = 250 x 250 x 250 x 250 x 250 x 250= 25000000
thats your answer
Step-by-step explanation:
matt washed 3 cars in 50 minutes, what is his hourly rate of cars washed?
Answer:3
Step-by-step explanation:beacause if you wash 3 car in 50 minutes it i doubt he would do a extra car in 10 mins
I need help rn pls !!!!
Answer:
ano ba need mo? tulongan kita
Answer:
A. 3.75x + 5y
B. $1,168.75
Step-by-step explanation:
x: Gatorade
y: pizza
3.75(113)+5(149) = 423.75+745
= $ 1,168.75
the six sigma dmaic approach is the best way to attack all problems and should be employed whenever possible. (True or False)
True. The DMAIC approach, which stands for Define, Measure, Analyze, Improve, and Control, is an effective problem-solving methodology used in Six Sigma.
Step 1: Define: Establish the problem to be solved and the goals of the project.
Step 2: Measure: Collect data related to the problem.
Step 3: Analyze: Analyze the data to identify the root cause of the problem.
Step 4: Improve: Develop and implement solutions to address the root cause of the problem.
Step 5: Control: Monitor the process to ensure that the problem remains resolved and that the improvements are sustained.
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11+2²-2= [?]. Help please
Answer:
13
Step-by-step explanation:
11+2^2 -2
= 11+4-2
= 15-2
= 13
Which expression is equivalent to 17s-10+3(25+1)?
23s-9
23s-7
115-7
115-9
Answer:
17s + 68.
Step-by-step explanation:
17s - 10 + 3(25 + 1)
= 17s - 10 + 3 * 26
= 17s - 10 + 78
= 17s + 68.
Hope this helps!
Answer:
its b 23s - 7
Step-by-step explanation:
took the test
8) Circle each statement that is true
:-5>-8
-7>-4
-15-6
-32
3<-9
10 >8
Solve the simultaneous equations
3x - y = 5
-x + y = -1
Answer:
x= 2, y= 1
Step-by-step explanation:
3x -y= 5 -----(1)
-x +y= -1 -----(2)
(1) +(2):
3x -y -x +y= 5 -1
2x= 4
Divide both sides by 2:
x= 4 ÷2
x= 2
Substitute x= 2 into (2):
-2 +y= -1
y= -1 +2
y= 1
What two numbers multiply to 28 and add to -16
Answer:
-14 and -2
Step-by-step explanation:
So first off you have to find two numbers that when multiplied equal 28. 4 and 7? Well, those wouldn't add up to -16. 14 and 2 work best. Now since it is -16 and not 16, both numbers need to be negatives since two negatives equal a positive.
The answer would be -14 and -2.
Hope this helps!
\( \frac{x - 9}{15} = \frac{2x - 9}{10} \)
solve the proportion. Round to the nearest hundredth if necessary.
4. What is / are the coefficients in this expressions? 3a+7-8n *
Answer:
Step-by-step explanation:
Term Coefficient
3a 3
-8n -8
How do you find the angles of a 5/12/13 triangle?
The angles of a triangle with side lengths 5 , 12 and 13 are 90°, 22.63°, 67.38°.
What is Law of cosines formula?In trigonometry, the law of cosines, also known as the law of cosines or cosine formula, basically relates the length of a triangle to one cosine of its angle. It states that if we know the lengths of two sides of a triangle and the angle between them, we can determine the length of the third side. c² = a²+ b² – 2ab cosγ
where a, b, c are the sides of the triangle and γ is the angle between a and b, see image above.
To find the length of a side of a triangle, take △ABC according to the cosine formula, which can be written as follows.
a² = b²+ c²– 2bc cos αb²= a² + c²– 2ac cos βc²= b² + a² – 2ba cos γWe have , a = 5 , b = 12 , c= 13
cos α =( 12² + 13² - 5² )/2×12×13= 288/312
=> α = cos⁻¹(0.923 ) = 22.63°
cos β = (5² + 13² - 12² )/2×13×5 = 50/130
=> β = cos⁻¹(5/13) = 67.38°
cos γ = (12² + 5² - 13² )/2×12×5= 0
=> γ = cos⁻¹(0) = 90°
Hence, the required angles are 90°, 22.63°, 67.38°.
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the blenders produced by a company have a normally distributed life span with a mean of 8.2 years and a standard deviation of 2.9 years. the company is willing to have a warranty that replaces at most 6% of their blenders sold. what is the longest a blender can last and still be in the lowest 6% of life spans?
The longest a blender can last and still be in the lowest 6% of lifespans is 9.5 years.
This is calculated by subtracting 2.9 years (the standard deviation) from 8.2 years (the mean) and adding 1.75 standard deviations (6% of 2.9 years). This means that any blender that lasts longer than 9.5 years is in the top 94% of all blenders.
To calculate the longest a blender can last and still be in the lowest 6% of lifespans, we can use the following steps:
Find the mean of the lifespan of the blenders (8.2 years).Find the standard deviation of the lifespan of the blenders (2.9 years).Subtract the standard deviation from the mean (8.2 - 2.9 = 5.3 years).Find 6% of the standard deviation (2.9 x 0.06 = 0.174).Add the 6% of the standard deviation to the mean (5.3 + 0.174 = 5.474).Round up the answer to the nearest tenth (5.474 rounded up = 5.5).The longest a blender can last and still be in the lowest 6% of lifespans is 5.5 years (8.2 - 2.9 + 0.174 = 5.474 rounded up to 5.5).Learn more about standard deviation:
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this is really confusing please help
Step-by-step explanation:
you don't know the meaning of
\(y = {h}^{ - 1} (x)\)
it means it is the inverse function to h(x).
the regular function assigns an y value to every x value.
the inverse function now turns this around and finds for a given y value the original x value.
so, the inverse function is easier understood, if we would write it
\(x = {h}^{ - 1} (y)\)
but just for formal reasons, we don't define functions this way but do it like above (x is the input, y the output value).
just, the understanding of an inverse function is a I just described it.
that means for the points, simply x and y values trade places.
the point (1, 9) turns into (9, 1) (it means 1 was the original x value when the original function delivered 9 a result).
and the point (3, 2) turns into (2, 3).
so, move the 2 green dots to these coordinates.
helppppppppppppppppp
Answer:
This looks hard.
Step-by-step explanation:
I know because it is very hard.
What is the smallest positive integer $n$ such that $3n$ is a perfect square and $2n$ is a perfect cube?
Answer:
108
Step-by-step explanation:
Since 3n is a perfect square, that means that n has to be a multiple of 3. Since 2n is a perfect cube, then n has to be divisible by 2^2=4. Since n is a multiple of 3, then n also has to be divisible by 3^3=27. Therefore, the smallest value for n is 4*27=108.
The given equation has been solved in the table.
Step Statement
1
2
3
4
5
In which step was the subtraction property of equality applied?
A.
step 2
B.
step 3
C.
step 4
D.
The subtraction property of equality was not applied to solve this equation.
From the steps shown in the table given, we can conclude that: D. in solving the equation, the subtraction property of equality was not applied.
What is the Subtraction Property of Equality?If a + b = c, to apply the subtraction property of equality so that b is moved to the other side of the equation, we would have:
a + b - b = c - b
a = c - b
Thus, from the table given, the none of the steps showed that the subtraction property of equality was applied in solving the equation, so, the answer is: D.
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Please help! Only if you know!
Answer:
Acute Scalene
Step-by-step explanation:
How to add scientific notation with different exponents.
To add scientific notation with different exponents, you need to adjust the exponents so that they are equal. Once the exponents are aligned, you can add or subtract the corresponding coefficients.
First, identify the numbers in scientific notation that you want to add. Let's say you have two numbers, A and B, expressed in scientific notation as A x 10^n and B x 10^m, where n and m are the exponents.
To add these numbers, you need to adjust one of them so that the exponents are the same.
Choose the number with the smaller exponent and multiply both its coefficient and exponent by the appropriate power of 10 to match the exponent of the other number.
For example, if n < m, you would multiply number A by \(10^{m-n}\), which means multiplying the coefficient of A by \(10^{m-n}\) and keeping the exponent of 10 as n.
Once the exponents are aligned, you can add or subtract the coefficients of the adjusted numbers.
This will give you the final result in scientific notation.
It's important to note that if the exponents are significantly different, adjusting the exponents may involve multiplying or dividing by large powers of 10, which can affect the precision of the final result.
Therefore, it's advisable to retain the appropriate number of significant figures in your calculations.
In summary, to add scientific notation with different exponents, you adjust one of the numbers by multiplying its coefficient and exponent by an appropriate power of 10 to match the exponent of the other number.
Then, you can add or subtract the coefficients and express the result in scientific notation.
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A store began selling its line of fall sweaters. On the first day, 6 cotton, 4 orlon, and 5 wool sweaters were sold. On the second day, 3 cotton, 5 orlon, and 8 wool sweaters were sold. On the third day, 4 cotton, 1 orlon and 4 wool sweaters were sold. Total sales for the three days were $395, $505, and $260, respectively. What was the sale price for each sweater?
The given data in this problem allows for the creation of a system with three variables, that represent the earnings from the sales in the three days, by solving this system we can obtain these following sale prices:
Cotton: $15.Orlon: $20.Wool: $45.How to obtain the sale price for each sweater?The sale price for each sweater is obtained solving a system of equations.
The variables of the system of equations are given as follows:
Variable x: cost of a cotton sweater.Variable y: cost of an orlon sweater.Variable z: cost of a wool sweater.Considering the profits for each day, along with the amounts of each sweater sold, the equations that compose the system are given as follows:
6x + 4y + 5z = 395.3x + 5y + 8z = 505.4x + y + 4z = 260.Inserting these three equations into a calculator, the solution to the system of equations is given as follows:
x = 15, y = 20, z = 45.
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the ratio of zoes money to yolansa's is 3:7. Yolanda has $64 more than Zoe. If Yolanda gives (1)/(4) to zoe what is the new ratio of zoes money to yolanda
New Ratio = 19:21
This deals with ratios, fractions and basic arithmetics'.
The ratio of money of zoe to yolansa's own is 3:7.Thus, the total part for each of them will be;
Zoe; 3/10
Yolansa; 7/10
If the total money they both have is x, then they will have;Zoe; 3x/10
Yolansa; 7x/10
Now,Yolanda has $64 more than Zoe. Thus;\(\frac{7x}{10}\) - \(\frac{3x}{10}\) = 64
Simplifying this gives;
\(\frac{4x}{10}\) = 64
Rearranging gives;
4x = 640
x = 640/4
x = $160
Thus, originally;
Yolanda has \(\frac{7}{10}\) × 160 = $112
Zoe has \(\frac{3}{10}\) × 160 = $48
Yolanda now gives \(\frac{1}{4}\) of her money to Zoe.
Thus, she gives out \(\frac{1}{4}\) × 112 = $28
Thus,
Zoe now has; 48 + 28 = $76
Yolanda now has; 112 - 28 = $84
New ratio of zoes money to yolandas money is;76:84
Simplifying this ratio gives;
19:21
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We are required to find the new ratio of zoes money to yolanda
the new ratio of zoes money to yolanda is 19:21
Ratio of zoes money to Yolanda's = 3:7.
Zoes = 3
Yolanda = 7
Total ratio = 3 + 7 = 10
let
x = Total money
Zoes = 3/10
Thus, the total part for each of them will be;
Zoe= 3/10x
Yolanda = 7/10x
Yolanda has $64 more than Zoe.
Therefore,
7/10x - 3/10x = 64
(7x - 3x) / 10 = 64
4x/10 = 64
cross product
4x = 64 × 10
4x = 640
divide both sides by 4
x = 640/4
x = $160
Original share:
Zoe = 3/10x
= 3/10 × 160
= 0.3 × 160
= $48
Yolanda = 7/10x
= 7/10 × 160
= 0.7 × 160
= $112
If Yolanda gives 1/4 to zoe
= 1/4 of 112
= 1/4 × 112
= 0.25 × 112
= $28
New Zoe's share = $48 + $28
= $76
New Yolanda's share = $112 - $28
= $84
Their new ratio = 76 : 84
divide by 4
= 19 : 21
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Answer:
18 mi^2
...
...
...
...
...
Answer:
42 square miles
Step-by-step explanation:
The area of a composite shape can be found by decomposing it into shapes whose area formulas you know. Here, the shape can be decomposed into a triangle and two rectangles. The two rectangles can be formed several ways.
TriangleThe area of the triangle at the top of the figure is ...
A = 1/2bh
A = 1/2(6 mi)(3 mi) = 9 mi²
Overall rectangleThe area of the overall rectangle (including the space at lower right) is ...
A = LW
A = (9 mi)(5 mi) = 45 mi²
Deleted spaceThe area of the rectangle at lower right that is not included in the shaded area is ...
A = LW
A = (4 mi)(3 mi) = 12 mi²
Total areaThe total area of the figure is the sum of the triangle and overall rectangle, less the excluded area at lower right.
total area = 9 mi² +45 mi² -12 mi² = 42 mi²
The area of the figure is 42 square miles.
_____
Additional comment
Other ways to divide the figure into two rectangles are ...
extend the vertical line to make a 9×2 and a 3×5 rectangleextend the horizontal line to make a 4×2 and a 5×5 rectanglefind a particular solution to the nonhomogeneous differential equation y′′ 4y′ 5y=−5x 5e−x.
The particular solution to the given nonhomogeneous differential equation is yp(t) = -t - 5\(e^{(-x)}\)\(e^{(-x)}\).
In order to evaluate a solution for the required question we have to implement the method of undetermined coefficient,
so,
yc(t) = c'1\(e^{(-t)cos(2t)}\) + c'2\(e^{(-t)sin(2t)}\)
let us consider a particular form
yp(t) = At + B\(e^{(-x)}\)
staging the first derivative and the second derivative
yp'(t) = A - B\(e^{(-x)}\)
yp"(t) = -B\(e^{(-x)}\)
staging the values
-B\(e^{(-x)}\) + 4(A - B\(e^{(-x)}\)) + 5(At + B\(e^{(-x)}\))
= -5x + 5\(e^{(-x)}\)
using simplification
(4A + 5B)t = -5x
(-A + B)\(e^{(-x)}\)) = 5\(e^{(-x)}\)
finding the values of A and B
A = -1 and B = -5
The particular solution to the given nonhomogeneous differential equation is yp(t) = -t - 5\(e^{(-x)}\).
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Which of the following correctly uses inequality symbols (< or >) to compare the numbers below?
657.1, 65.71, 6571, 6.571
Answer:
hdssssssxkjcuhhcmdccnsjcncjsc
Step-by-step explanation:
Is the point (20 13) on this line? Explain your reasoning.
In order to determine if the point (20,13) is on the line, it is necessary to write the equation of the line.
The general form of a linear equation is:
y = mx + b
where b is the y-intercept and m is the slope. Y-intercept is the value of y when x = 0. You can observe in the graph that b = 3.
The slope m is conputed by using the following formula:
\(m=\frac{y_2-y_1}{x_2-x_1}\)where (x1,y1) and (x2,y2) are two points of the line. Use the points (0,3) and (6,6), you can select any other two points. Replace these values into the formula for m:
\(m=\frac{6-3}{6-0}=\frac{3}{6}=\frac{1}{2}\)Then, the equation of the line is:
\(y=\frac{1}{2}x+3\)Now, replace the value of x = 20 in the previous equation, if y = 13, then the point (20,13) in on the line:
\(\begin{gathered} y=\frac{1}{2}(20)+3 \\ y=10+3 \\ y=13 \end{gathered}\)Hence, the point (20,13) is on the line
Write and solve a real world problem that can be represented by the
expression -3(5) + 25.
Answer:
Mrs. Alexa has to buy one whiteboard marker for her class every week because her students keep stealing them. Each marker costs three dollars. The school has given her $25 for her school expenses. If she uses the money from the expenses to buy markers, how much money will she have after five weeks?
She has 10 dollars after five weeks.
Step-by-step explanation:
-3 is the price of each marker reducing her overall money.
5 is how many markers she should buy in 5 weeks.
$25 is the money grant that the school gave her.
Shawna is making smoothies. The recipe calls for two parts yogurt to three parts blueberry. Shawna wants to make 10 cups of smoothie. Mix how many cups of yogurt and blueberries does Shawna need
Answer:
Shawna needs a mix of 4 cups of yoghurt and 6 cups of blueberries
Step-by-step explanation:
Here, we want to know the number of cups of yoghurt and smoothies Shawna needs to make;
We have 2 parts yoghurt and 3 parts blueberry, so we can say we have a ratio of 2:3
The total number of cups to be made is 10
So the number of cups of yoghurt will be;
2/(2+3) * 10
= 2/5 * 10 = 4 cups
The number of cups of blueberry would be;
3/5 * 10 = 6 cups
So a mix of 4 cups of yoghurt and 6 cups of blueberries is needed by Shawna
Which is the length of the hypotenuse of the right triangle? Round your answer to the nearest tenth of a centimeter. Hint: Pythagorean Theorem: a^2+ b^2 = c^2
Answer:
\(c =\sqrt{a^{2}+b^{2} }\)
Step-by-step explanation:
You clear c, wich is the hypotenuse
\(c =\sqrt{a^{2}+b^{2} }\)
a rectangular area of 50 square feet must be fenced in to enclose a chicken. the cost of the fencing varies: two parallel sides cost 10 per oot; the other parallel sides cost 20 per foot. find the dimensions of the area that will minimize costs.
The dimension of the given rectangle is 7.071 and 7.071 and perimeter will be 28.28 feet.
Let the length of the rectangle be L and width be W
Area of the rectangle will be LW
As area = A = 50 sq ft
50 = LW
Therefore, L = 50/W
Now the P = perimeter = 2L + 2W
P = 2(50/W) + 2W
P = 100/W + 2W
differentiating with respect to W, we get
dP/dW = -100/\(W^{2}\) + 2
For dP/dW = 0
\(W^{2}\) = 50
W = sqrt(50)
W = 7.071
L = 50/7.071 = 7.071
Therefore, Perimeter = 2L + 2W = 28.28
Therefore, Length = 7.071
Width = 7.071
Perimeter = 28.28 feet
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20 points to whoever answers correctly AND Brainliest!
(Must be the correct answer, not a guess or random symbols)
The domain of the function d(t) describing the Haru's journey to his friend is
0 ≤ t ≤ 2.1How to find the domain of the graphIn the graph, the input values is the time in hours, t while the output value is distance covered, d in kilometers
The domain is controlled by the input values. considering the time used for the journey as shown in the graph. The journey started from point 0 to the end point 2.1
The maximum time is at 2.1 hours. For the minimum, this is when the journey started which is 0
The domain starts from 0, with 0 not inclusive to 2.1 with 2.1 included
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?? pls helpppppppppppppppppppppppppppppppp
Answer:
y = ax + b
x = 0 , y = 3 → 3 = a(0) + b → b = 3
x = 1 , y = 5 → 5 = a(1) + 3 → a = 2
y = 2x + 3
Option 2 is correct.