Answer:
Turn them over
both sides
Step-by-step explanation:
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In the morning, Jasmine biked to her grandma's house in 45 minutes. When she was biking back home in the evening it was foggy and she went 4 mph slower. The trip back took her 1 hour and 10 minutes. How far from her house does her grandmother live?
Answer:
8.4 milesStep-by-step explanation:
Let the speed in the morning be s, then in the evening it is s - 4
The distance is equal both directions:
45 min *s = 1 hr 10 min *(s - 4)Time in hours:
45*1/60*s = (1 + 10*1/60)(s - 4)3/4s = 7/6s - 7/6*4Multiply all terms by 12 to clear fraction:
9s = 14s - 565s = 56s = 56/5s= 11.2 mphThe distance is:
3/4*11.2 = 0.75*11.2 = 8.4 milesAnswer:
the answer is 8.4
Step-by-step explanation:
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K
In the given expression, calculate as indicated. Express your answer as a single polynomial in standard form.
(8x²-3x+3)+ (3x²-3x+4) - (6x²+7)
(8x²-3x+3) + (3x² − 3x + 4) − (6x² + 7) =
...
The standard form of the expression (8x²- 3x + 3)+ (3x²- 3x + 4) - (6x² + 7) is 5x² - 6x.
How to represent an expression in standard form?The Standard Form for writing down a polynomial is to put the terms with the highest degree.
The expression or polynomial in standard form can be represented as follows:
(8x²- 3x + 3)+ (3x²- 3x + 4) - (6x² + 7) = 8x² - 3x + 3 + 3x² - 3x + 4 - 6x² - 7
combine like terms
8x² - 3x + 3 + 3x² - 3x + 4 - 6x² - 7 = 8x² + 3x² - 6x² - 3x - 3x + 3 + 4 - 7
8x² + 3x² - 6x² - 3x - 3x + 3 + 4 - 7 = 11x² - 6x² - 6x = 5x² - 6x
Therefore, the standard form of the expression (8x²- 3x + 3)+ (3x²- 3x + 4) - (6x² + 7) is 5x² - 6x.
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Find the amount of $8000 for 3 years,compounded annually at 5% per annum. Also ,find the compound interest
Answer:
$9261
$1261
Step-by-step explanation:
Principal: $8000
Interest rate: 5% PA compounded annually
Time: 3 years
Sum = $8000*(1.05)³ = $9261Interest = $9261 - $8000 = $1261How do I get the answer to this step by step? pls this is a emergency
Answer:
X = 12
Step-by-step explanation:
If the angle depicted on top is the angle for the inside angle in the triangle, we can find x easily. a line is 180 degrees so we can do 180-151 for the right inside angle. that's 29. we can do 5x+3+9x-20+29 = 180. 14x+12=180. 14x = 180-12. 14x = 168. 168/14 = 12
What is the length of a rectangle whose area is 51cm2 and width 3 cm?
Answer:
\(Length = 17\)
Step-by-step explanation:
Step 1: Find the length of the rectangle
\(Area = Width * Length\)
\(\frac{51}{3} = \frac{3 * Length}{3}\)
\(17 = Length\)
Answer: \(Length = 17 cm\)
A recipe calls for 5 cups of cashews for 4 cups of flour. Using the same recipe, how many cups of flour will you need for 2 cups of cashews? » How many cups of flour will you need for 2 cups of cashews?
Answer:
8/5 cups
Step-by-step explanation:
equal 5/4 to 2/x x representing the amount of flour
cross multiply: 5x=8
divide: x=8/5
What are the x-intercepts of the graph below ?
Answer:
(3, 0)(-2, 0)Step-by-step explanation:
You want to identify the x-intercepts on the graph.
X-interceptAn "x-intercept" is a point where the graph crosses or touches (intercepts) the x-axis. The y-value there is always 0.
The given graph crosses the x-axis where x = -2 and x = 3. This means the x-intercept points are ...
(-2, 0) and (3, 0)
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Roland has built a circuit, and is using a device called an
ammeter to measure how quickly electrical current is flowing
through the circuit. He calculates that the current should be
0.180 amps, but he measures the current as 0.173 amps. What
is Roland's percent error?
Roland's percent error is approximately 3.889%.
This means that his measured value differs from the actual value by 3.889% or 0.03889 in decimal form.
The positive sign indicates that Roland's measured value is slightly lower than the actual value.
To calculate Roland's percent error, we can use the formula:
Percent Error = (|Measured Value - Actual Value| / Actual Value) \(\times\) 100
Given that Roland measured a current of 0.173 amps while expecting a current of 0.180 amps, we can substitute these values into the formula:
Percent Error = (|0.173 - 0.180| / 0.180) \(\times\) 100
Simplifying the expression within the absolute value:
Percent Error = (|-0.007| / 0.180) \(\times\) 100
Since the absolute value of -0.007 is 0.007, we have:
Percent Error = (0.007 / 0.180) \(\times\) 100
Calculating the division:
Percent Error = 0.03889 \(\times\) 100
Percent Error = 3.889%.
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Describe how p(x)=-f(x)-3 transforms the graph of the parent function f(x)=x^2
.
The transformation of f(x) to p(x) is that (a) the graph is reflected and shifted down
Describing the transformation of f(x) to p(x).From the question, we have the following parameters that can be used in our computation:
The functions f(x) and g(x)
In the function equations, we can see that
f(x) = x²
p(x) = -f(x) - 3
So, we have
Vertical Difference = 0 - 3
Evaluate
Vertical Difference = - 3
This means that the transformation of f(x) to p(x) is that f(x) is reflected and shifted down 3 units to p(x).
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It is expected that 750 people will attend
the concert. In fact, 600 people attended.
600 is what percent of the expected
number?
600 is the 80% of the the expected number
Number of people that expected to attend the concert = 750 people
Number of people that attended the concert = 600 people
600 is what percent of the expected number = ( Number of people that attended the concert ÷ Number of people that expected to attend the concert ) × 100
Substitute the values in the equation
600 is what percent of the expected number = (600 / 750) × 100
Divide the terms in bracket first
= 0.8 × 100
Multiply the given terms
= 80%
Hence, 600 is the 80% of the the expected number
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someone pls help will give brainliest to the first to answer
Answer:
Help with what, I may be able to help. :)
If PQ¯ is tangent to circle R at point Q, and PS¯ is tangent to ⊙R at point S, what is the perimeter of quadrilateral PQRS?
The perimeter of PQRS would depend on the lengths of the tangent segments and the lengths of the intercepted arcs. Without specific measurements, we cannot determine the precise perimeter.
To determine the perimeter of quadrilateral PQRS, we need more information about the lengths of the sides or the relationship between the sides and angles. Without specific measurements or additional details, we cannot calculate the exact perimeter of the quadrilateral.
However, we can provide some general information.Since PQ¯ is tangent to circle R at point Q, it is perpendicular to the radius drawn from the center of the circle to point Q. Similarly, PS¯ is tangent to circle R at point S, so it is perpendicular to the radius drawn to point S.
The quadrilateral PQRS is formed by the tangents PQ¯ and PS¯ along with the two arcs intercepted by these tangents on the circle R.
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Write the equation to represent the graph in the form y=mx+b
Answer:
y = x - 2
Step-by-step explanation:
To write the equation in the form y = mx + b, find the value of slope (m) and y-intercept (b) of the graph.
Slope (m) = change in y/change in x
Using two points on the line, say (0, -2) and (2, 0),
Slope (m) = (0 -(-2))/(2 - 0)
m = 2/2
m = 1
y-intercept (b) = -2 (this is the point where the y-axis is intercepted by the line, at this point, x = 0)
✔️To write the equation, substitute m = 1 and b = -2 into y = mx + b
y = 1(x) + (-2)
y = x - 2
SOMEONE ANYONE PLEASE HELP!!!
The graph of g(x) is obtained from the graph of f(x) by the following transformations:
- A horizontal stretch by a factor of 9. This is because the graph of g(x) is 9 times wider than the graph of f(x).
- A vertical translation down by 2 units. This is because the graph of g(x) is 2 units lower than the graph of f(x).
In other words, to obtain the graph of g(x) from the graph of f(x), we stretch the graph horizontally by a factor of 9 and then translate it down by 2 units.
Here is a more detailed explanation of the transformations:
- Horizontal stretch by a factor of 9: To stretch the graph horizontally by a factor of 9, we multiply all of the x-coordinates by 9. This means that every point on the graph of f(x) will be moved 9 units to the right on the graph of g(x).
- Vertical translation down by 2 units: To translate the graph down by 2 units, we subtract 2 from all of the y-coordinates. This means that every point on the graph of f(x) will be moved 2 units down on the graph of g(x).
A store owner wanted to determine the number of new customers at her store. She
surveyed a random sample of 25 customers. The results are shown in the list, where
each 1 represents a new customer and each 2 represents a returning customer.
21212
12221
22222
22222
21122
Based on this sample, how many of the next 250 customers will be new customers?
Answer: 60
Step-by-step explanation:
To solve this problem, you first have to figure out how many customers put 2 and how many customers put 1. To do this, you count the amount of 2's on the survey, which is 19. Then, you count the amount of 1's, which is 6.
Then, you divide both of them by 25, since that is the number of customers that were surveyed. 6 divided by 25 is 24% and 19 divide by 25 is 76%. Therefore, 24% of the customers were new.
So, you do 250 times 24% (or 0.24 in decimal form) and you will get 60.
So, there will be an estimated amount of 60 customers out of the next 250 that are new.
The number of new customers will be 60 customers
What is an Equation?
Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
The number of sample of customers for the data = 25 customers
The number 1 represents a new customer
The number 2 represents a returning customer
The 25 customers is given as
21212
12221
22222
22222
21122
Now , when we count the number of 2's and 1's in the above set , we get
There are a total of nineteen 2's and six 1's
So ,
The number of new customers is = 6
The number of returning customers = 19
And ,
The percentage of new customers is =
( Number of new customers / Total number of customers ) x 100
The percentage of new customers is = ( 6 / 25 ) x 100
= 24 %
Now ,
When the sample of returning customers is 250 ,
The number of new customers = Percentage of new customers x 250
= 24 % x 250
= ( 24 / 100 ) x 250
= 12 x 5
= 60 customers
Hence , the number of new customers will be 60 customers
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What is 14 2/7 x 4 3/10=
Answer:
430/ 7
Step-by-step explanation:
yess this is the correct answer
Elsa, Chang, and Bob have a total of 104 in their wallets. Chang has 3 times what Bob has. Elsa has 6 more than Bob. How much does each have?
Answer:
Bob=19.60
Elsa=25.60
Chang=58.80
Step-by-step explanation:
(E)lsa + (C)hang + (B)ob=104
C=3B
E=B+6
substitute
(B+6)+3B+B=104
5B+6=104
5B=98
5B/5=98/5
B=19.60
E=19.60+6=25.60
C=3(19.60)=58.80
Sabrina bought a hoodie at the store when they were having a 25% off sale. If the regular
price of the hoodie was $50, how much did Sabrina save?
Answer:
$12.50
Step-by-step explanation:
Answer:
$12.50
Step-by-step explanation:
The sale is for 25% off, so she saved 25% of $50.
25% of $50 = 0.25 * $50 = $12.50
There is a line whose slope is 2 and whose slope is 2 and whose y- intercept is 8. What is its equation in slope-intercept form?
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Ryan has collected 7 grasshoppers, 8 butterflies, and 9 katydids. Which
statement is NOT true?
The ratio of butterflies to katydids in Ryan's collection is 8:9.
For every 9 grasshoppers in Ryan's collection, there are 7 katydids.
There are 7 grasshoppers for every 8 butterflies.
The ratio of katydids to the total number of insects in Ryan's collection is 3 to
8.
Answer:
For every 9 grasshoppers in Ryan's collection, there are 7 katydids.
Step-by-step explanation:
Which of the following is not a function?
The answer is the first choice
Step-by-step explanation:
because the two goes into 4 and 5, in order for it to be a function the x value has to be used once
Sylvia and Darlene collect seashells.
NEED HELP ASAP The number of seashells in Sylvia's collection can be represented by s.
The number of seashells in Darlene's collection is 4 times the number in Sylvia's collection.
The total number of seashells in both collections is 240.
Which value represents s, the number of seashells in Sylvia’s collection?
Answer:
=48
Step-by-step explanation:
i took the test trust me
Answer:
48
Step-by-step explanation:
A coffee place is selling coffees for $2.50 each and cappuccinos for $3.75 each.
Today the coffee place sold a total of 70 drinks (coffees and cappuccinos) for a total of $222.50.
a) Write an equation that represents the information.
b) Solve the equation in (a) to find how many coffees and how many cappuccinos the coffee place sold today.
Answer:
Step-by-step explanation:
a) Let's denote the number of coffees sold as 'x' and the number of cappuccinos sold as 'y'.
The equation that represents the given information is:
2.50x + 3.75y = 222.50
b) To solve the equation, we need to find the values of 'x' and 'y' that satisfy the equation.
Since we have two variables and only one equation, we cannot determine the exact values of 'x' and 'y' independently. However, we can find possible combinations that satisfy the equation.
Let's proceed by assuming values for one of the variables and solving for the other. For example, let's assume 'x' is 40 (number of coffees):
2.50(40) + 3.75y = 222.50
100 + 3.75y = 222.50
3.75y = 222.50 - 100
3.75y = 122.50
y = 122.50 / 3.75
y ≈ 32.67
In this case, assuming 40 coffees were sold, we get approximately 32.67 cappuccinos.
We can also assume different values for 'x' and solve for 'y' to find other possible combinations. However, keep in mind that the number of drinks sold should be a whole number since it cannot be fractional.
Therefore, one possible combination could be around 40 coffees and 33 cappuccinos sold.
if a sequence of uniformly bounded functions uniformly converges then its limit function must also be uniformly bounded
The given statement in the question , if a sequence of uniformly bounded functions uniformly converges then its limit function must also be uniformly bounded is true.
It is true that a sequence of uniformly convergent bounded functions must converge to a bounded function. A uniformly convergent series of unbounded functions is difficult to describe.
On the real line, for example, f n (x) = x converges uniformly to f (x) = x.
In mathematics, a family of bounded functions is said to be uniformly bounded if all of its members can have their boundaries defined by the same constant.
This constant is greater than or equal to the absolute value of any of the family's functions.
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i need everything answered
Using the circles:
radius - RTdiameter - QTSchord that is not a diameter - PScentral angle - Tminor arc - QPmajor arc - QSPsemicircle - QRSA = 201.06 square inches, C = 50.27 inchesA = 314.16 square meters, C = 62.83 metersmJKP = mJKN = 90° mJLK = 63° and mPLJ + mJLP = 207°How to calculate areas and circumference?A circle with a radius of 8 inches has an area and circumference given by:
A = πr² = π(8²) ≈ 201.06 square inches
C = 2πr = 2π(8) ≈ 50.27 inches
Rounding to the nearest hundredth:
A ≈ 201.06 square inches
C ≈ 50.27 inches
Therefore, the area is approximately 201.06 square inches and the circumference is approximately 50.27 inches.
A circle with a diameter of 20 meters has a radius of 10 meters. The area and circumference are given by:
A = πr² = π(10²) ≈ 314.16 square meters
C = 2πr = 2π(10) ≈ 62.83 meters
Rounding to the nearest hundredth:
A ≈ 314.16 square meters
C ≈ 62.83 meters
Therefore, the area is approximately 314.16 square meters and the circumference is approximately 62.83 meters.
Using these relationships, find the measures of some of the angles:
a) mJKP = mJKN (by vertical angles) and mJKP + mPKL = 90° (by complementary angles), so mJKN + mPKL = 90°.
b) mJKN = mJKP (by vertical angles) and mJKN + mKNM = 90° (by complementary angles), so mJKP + mKNM = 90°.
c) mJLK = mMPL (by alternate interior angles) and mMPL = 63°, so mJLK = 63°.
d) mKNM = 90° - mJKN (by complementary angles). We cannot determine the measure of mJKN.
e) mJLK = mMPL (by alternate interior angles) and mJLR = mJLP (by vertical angles), so:
mJLK + mKLP + mPLJ + mJLP = 360° (by the sum of angles in a quadrilateral)
63° + 90° + mPLJ + mJLP = 360°
mPLJ + mJLP = 207°
f) mJLR = mJLP (by vertical angles) and mKPL = 90°, so:
mJLR + mJLP + mKPL = 180° (by the angles in a triangle)
mJLR + mJLP + 90° = 180°
mJLR + mJLP = 90°
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Image transcribed:
Use the circle below for questions 1-7.
1. Name a radius.
2. Name a diameter.
1.
2.
3.
R
3. Name a chord that is not a diameter.
P
4. Name a central angle.
4.
S
5. Name a minor arc.
5.
6. Name a major arc.
7.
7. Name a semicircle.
For questions 8 and 9, find the area and circumference. Round to the nearest hundredth.
8.
A =
C=
9.
A =
20 m
8 in
C=
10. If m∠MPL = 63°, find each measure.
K
a) mR= =
= m KNM d) 이이
=
b) - =
c) L
=
f) mJLR =
N
M
Gina Wilson (All Things Algebra, LLC), 201
A sample of 10 men's GPA in college has sample mean 2.9, and a sample of 10 women's GPA has sample mean 3.1. We also know the GPAs of men and women have the same standard deviation 0.2. Calculate the p value.
Answer:
p-value = 0.02535
Step-by-step explanation:
From the information given:
For men:
The sample size n₁ = 10
The standard deviation s₁ = 0.2
The sample mean \(\bar x _1 =\) 2.9
For women:
The sample size n₂ = 10
The standard deviation s₂ = 0.2
The sample mean \(\bar x _2=\) 3.1
Using the pooled variance;
\(S_i = \sqrt{\dfrac{s^2_1}{n_1} +\dfrac{s^2_2}{n_2} }\)
\(= \sqrt{\dfrac{0.2^2}{10} +\dfrac{0.2^2}{10} }\)
\(= \sqrt{0.004+0.004 }\)
\(= \sqrt{0.008 }\)
= 0.08944
The z-test statistics is computed as:
\(z = \dfrac{\barf x_1 - \bar x_2}{S_i}\)
\(z = \dfrac{2.9- 3.1}{0.08944}\)
z = - 2.236
The p-value = 2 × P(Z < -2.236)
From the z table;
p-value = 2 × (0.012675)
p-value = 0.02535
I dont get this question equation
y=0.5 (6) - 4
I know that 0.5 is equivalent to 1/2 but I just don’t get this question
Answer
\(\pink\sf{y=-1}\)
Step-by-step explanation
I'm assuming that this exercise is asking us to simplify the equation \(\sf{y=0.5(6)-4}\).
We know that 0.5 (6) means 0.5 multiplied by 6. That is the same as 6 divided by 2, which is 3:
\(\sf{y=3-4}\)
And now we just simplify the last part:
\(\sf{y=-1}\)
∴ answer: y = -1
Find all points on the x-axis that are 16 units from the point (5,-8)
To find all points on the x-axis that are 16 units away from the point (5, -8), we can use the distance formula. The distance between two points (x₁, y₁) and (x₂, y₂) is given by the formula:
d = √((x₂ - x₁)² + (y₂ - y₁)²)
In this case, the y-coordinate of the point (5, -8) is -8, which lies on the x-axis. So, any point on the x-axis will have a y-coordinate of 0. Let's substitute the given values and solve for the x-coordinate.
d = √((x - 5)² + (0 - (-8))²)
Simplifying:
d = √((x - 5)² + 64)
Now, we want the distance d to be equal to 16 units. So, we set up the equation:
16 = √((x - 5)² + 64)
Squaring both sides of the equation to eliminate the square root:
16² = (x - 5)² + 64
256 = (x - 5)² + 64
Subtracting 64 from both sides:
192 = (x - 5)²
Taking the square root of both sides
√192 = x - 5
±√192 = x - 5
x = 5 ± √192
Therefore, the two points on the x-axis that are 16 units away from the point (5, -8) are:
Point 1: (5 + √192, 0)
Point 2: (5 - √192, 0)
In summary, the points on the x-axis that are 16 units away from the point (5, -8) are (5 + √192, 0) and (5 - √192, 0).
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The image of B translated using (x + 2, y + 3) would have what coordinates?
Answer:
(5, 4)
Step-by-step explanation:
(x + 2, y + 3)
Substitute x and y for that of B's position.(3 + 2, 1 + 3)
(5, 4)
Answer:
B' (5, 4 )
Step-by-step explanation:
the translation rule (x, y ) → (x + 2, y + 3 )
means add 2 to the original x- coordinate and add 3 to the original y- coordinate , then
B (3, 1 ) → B' (3 + 2, 1 + 3 ) → B' (5, 4 )
Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used. Match the expressions given in words with their values when m = 6. 2 15 42 3 21
The matching is done below
What is expression?An expression is a combination of numbers, variables, functions (such as addition, subtraction, multiplication or division etc.)
1) 3 is the difference of 2 times d minus 3.
As, 2*d - 3
=2*3 - 3
=6 - 3
= 3
2) 4 is 4 added to the difference of d minus 3.
or, 4 + (d - 3)
or, 4 + (3 - 3)
or, 4 + 0 = 4
3) 0 is the difference of d minus 3 divided by 2.
(d - 3)/2
= (3 - 3)/2
= 0/2
= 0
4) 2 is the quotient of 12 divided by the difference of 3 times d minus 3.
12/(3d - 3)
=12/(3*3 - 3)
=12/(9 - 3)
=12/6
= 2
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