considerthetypeofclothesdryer(gasorelectric) purchased by each of five different customers at a certain store. a. if the probability that at most one of these customers purchases an electric dryer is .428, what is the probability that at least two pur- chase an electric dryer? b. if p(all five purchase gas) 1⁄4 .116 and p(all five purchase electric) 1⁄4 .005, what is the probability that at least one of each type is purchased?
The probability of at least two purchasing an electric dryer is 0.572 and the probability of at least one type of purchase is 0.879.
What are examples and probability?
It is predicated on the likelihood that something will occur. The justification for probability serves as the basic foundation for theoretical probability.For instance, the theoretical chance of receiving a head while tossing a coin is 12.a dryer
1 - 0.428 = 0.572
P(all 5 for purchasing gas) = 0.116
P(all 5 electrical purchases) = 0.005
P(at least 1 of each type purchased) = 1 -(P(only 1 type is purchased))
= 1 - [ P(all 5 for purchasing gas) + P(all 5 electrical purchases)
= 1 - 0.116 - 0.005
= 1 - 0.121
= 0.879
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how to solve h(x)+4x-2 find h(-9)
Answer:
-9(×)+4×-2
-9×+4×-2
-5×-2
Answer: 10
Step-by-step explanation:
plugin -9 to the equation
-9x+4x-2
combine like terms
-5x - 2
10x
I think I am not sure though...
For a smoothie, Isaac needs 3 quarts of strawberry puree, which is sold in bottles of 1 pint and bottles of 1 cup. He already had 1.75 quarts of puree. If he wants to buy exactly three bottles in total, how many of each bottle should he buy?
pint bottle(s)
cup bottle(s)
Isaac will buy 2 pints and 1 cup of strawberry puree if he wants to buy exactly three bottles.
Given that:-
Quantity of strawberry puree Isaac needs = 3 quarts
Quantity of strawberry puree Isaac already have = 1.75 quarts
Also,
Strawberry puree is available in bottles of 1 pint and bottles of 1 cup.
We have to find the number of bottles each of pint and cup will Isaac need if he want to buy exactly in 3 bottles.
We know that,
1 pint = 0.5 quarts
1 cup = 0.25 quarts
Quantity of strawberry puree needed to be bought = 3 - 1.75 = 1.25 quarts.
Let the number of bottles of pint be x and,
The number of bottles of cup be y
Then, we can write
0.5x + 0.25y = 1.25 ...(1)
x + y = 3 ... (2)
Solving the linear equations in 2 variable by elimination method, we get
Multiplying (1) by 2, we get,
x + 0.5y = 2.5 ...(3)
(2) - (3)
0.5y = 0.5
y = 1
As, x + y = 1
x = 2.
Hence, Isaac will buy 2 pints and 1 cup of strawberry puree.
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Domain and range, HELP!
The function is decreasing because it is going down.
The domain is the set of x-values, which is [tex]x \leq 4[/tex] or [tex](-\infty, 4][/tex].
The range is the set of y-values, which is [tex]-6 \leq y < -1[/tex] or [tex][-6, -1)[/tex].
find the distance between points S(-2,4) and T(3,9) Round your answer to the nearest tenth
Answer:
Distance between coordinates is given as √(x1-x2)²+(y1-y2)², where x and y are the coordinates of the points.
Length of ST = √(-2-3)²+(4-9)²
= √(-5)²+(-5)²
= √25+25
= √50
= 7.07
= 7.1 (nearest tenth)
In a randomly generated list of numbers from 0 to 6, what is the chance that
each number will occur?
OA. 1/6
B. 1/8
C. 1/6
O D. 1/9
The chance that each number will occur when a randomly generated list of numbers, generates the number from 0 to 6 is 1/7.
What is probability?Probability is a field of mathematics that focuses on determining the possibility that an event will occur. The proportion of favorable outcomes to all other outcomes determines an event's chances or probability.
Given:
A randomly generated list of numbers from 0 to 6.The total number are 7 (0,1,2,3,4,5,6).
The chance that each number will occur is,
P = 1/7
Therefore, the chance that each number will occur when a randomly generated list of numbers, generates the number from 0 to 6 is 1/7.
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Question 7A: Keisha has $585.43 in her checking account. She must maintain a balance of $300 to avoid a fee. She wrote a check for $302.05 today. Write an inequality, using x for the variable, that would be used for the least amount of money she needs to deposit to avoid a fee.
585.43x - 302.05 ≥ 300
585.43 - 302.05 + x ≥ 300
585.43 - 302.05 + x ≤ 300
585.43x - 302.05 ≤ 300
The inequality that shows the least amount of money she needs to deposit to avoid a fee is 585.43 - 302.05 + x ≥ 300
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.
Equations are classified based on degree (value of highest exponents) as linear, quadratic, cubic and so on. Variables can be dependent or independent. Dependent variables depend on other variable while an independent variable do not depend.
Let x represent the least amount of money Keisha needs to deposit to avoid a fee. Keisha has $585.43 in her checking account and must maintain a balance of $300 to avoid a fee. She wrote a check for $302.05 today, Hence:
585.43 - 302.05 + x ≥ 300
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44 less than the product of 1 and x
Answer: -44
have a good day
:/
Find the exact value of y
In the right triangle, the value of y is 3√2
How to determine the value of y?The right triangle represents the given parameter
On the right angle, the value of y can be calculated using the following sine rule
This is represented as
sin(angle) = Opposite/Hypotenuse
So, we have
sin(45) = y/6
Make y the subject
y = 6 * sin(45)
Evaluate
y = 3√2
Hence, the value of y in the right triangle is 3√2
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9. In the state of North Carolina, the sales
tax rate is 8%. How much would you pay in
sales tax for a pair of mittens that cost $28?
Answer:
$2.24
Step-by-step explanation:
convert 8% to .08
next multiply that by the cost, 28
.8x28=2.24
The stem-and-leaf plot shows the test scores for a chemistry class. How many students had a score greater than 90 points? Stem and leaf plot. Vertical line separates each stem from its first leaf. First row. Stem 5. Leaf 2. Second row. Stem 6. Leaves 4,6. Third row. Stem 7. Leaves 0,1,4,6,8,8,8. Fourth row. Stem 8. Leaves 0,1,2,3,4,6,8,8. Fifth row. Stem 9. Leaves 1,2,3,4,6,7. Six row. Stem 10. Leaf 0. Key. 7 vertical line 4 equals 74.
=========================================================
Explanation:
The key states [tex]7 \big| 4= 74[/tex]
It means that a stem of 7 and leaf of 4 combine to the value 74
We're interested in scores greater than 90, so we'll be focusing on the stems of 9 and 10 only
Stem 9. Leaves 1,2,3,4,6,7. Stem 10. Leaf 0Stem9 has 6 leaves while stem10 has 1 leaf. That's 6+1 = 7 leaves total, which means we have 7 scores above 90. If there was a leaf of 0 for stem9, then we'd have to ignore it (since it forms the score 90). But we don't have to worry about that for this case.
Expand and simplify (y + 3)(y + 7)
⇒[tex]=(y+3)(y+7)\\=y(y+7)+3(y+7)\\=y^{2} +7y+3y+21\\=y^{2} +10y+21[/tex]
Attached is the solution in detail
Which fraction is equivalent to 0.35?
Answer:
B ,I think
Step-by-step explanation:
Answer: B
Step-by-step explanation: 35÷100=0.35
A triangle has base 8 cm and perpendicular height 5.2 cm
Diagram not drawn accurately
8 cm
Work out the area of the triangle.
Optional working
5.2 cm
Answer:
cm²
The area of the triangle is 20.8 cm².
We are given a triangle.The length of the base of the triangle is 8 cm.The perpendicular height of the triangle is 5.2 cm.If the base and height of a triangle are known to us, then we can easily calculate the area of the triangle.To find the area of the triangle, we will use the formula mentioned below :The area of the triangle is half the product of its base and its perpendicular height.The area of the triangle is (1/2)*8*5.2.The area of the given triangle is 20.8 cm².To learn more about triangles, visit :
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audio button question write an equation of the parabola in intercept form that passes through $(0,\ -18)$ with x-intercepts of $9$ and $1$ question write an equation of the parabola in intercept form that passes through $(0,\ -18)$ with x-intercepts of $9$ and $1$
The equation of parabola in the intercept form that passes through (0,-18) with x intercepts of 9 and 1 is y = -2(x-9)(x-1) .
In the question,
it is given that ,
the parabola passes through (0,-18) and has x intercepts as 9 and 1 .
The intercept form of the equation of parabola is given by
y = a(x-p)(x-q) , where a is the constant
and p , q are the x intercepts .
Given that the parabola has x intercepts as 9 and 1 , So
equation becomes
y = a(x-9)(x-1) .....(i)
Since parabola passes through the points (0,-18) ,
hence , point should satisfy the equation ,
So putting y = -18 and x=0 , we get
-18 = a(0-9)(0-1)
-18 = a(-9)(-1)
-18 = 9a
a = -2
Substituting a= -2 in equation (i) ,
we get the equation of parabola as y = -2(x-9)(x-1) .
Therefore , the equation of parabola in the intercept form that passes through (0,-18) with x intercepts of 9 and 1 is y = -2(x-9)(x-1) .
The given question is incomplete , the complete question is
Write an equation of the parabola in intercept form that passes through (0,-18) with x-intercepts of 9 and 1 .
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1. Find all the real square roots of 0.0036. (1 po
0.06 and -0.06
0.0018 and -0.0018
0.1897 and -0.1897
0.6 and -0.6
The real square roots of 0.0036 will be A 0.06 and -0.06.
What are square root?The result of multiplying a number by itself yields its square value, while the square root of a number can be found by looking for a number that, when squared, yields the original value. It follows that a a = b if "a" is the square root of "b."
It should be noted that this is a component of a number that yields the original number when multiplied by itself
The square root will be illustrated as:
= ✓0.0036
= 0.06 and -0.06
Therefore, the correct option is A.
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x^3 +2x^2 -19x -20 =0
x raise to Power 3 + 2 x raise to power 2 - 19 x - 20 equals to 0 solve
If Calvin gets paid on the 15th and last day of the month, how many paychecks will he receive in
one year?
Will he receive the same number of paychecks if gets a paycheck
very two weeks? Y/N explain.
Answer:
24
Step-by-step explanation:
12 months in a year and Calvin gets 2 paychecks in one month
so 2 times 12 = 24 paycheck
No, because if he gets a paycheck every 2 weeks that would be about 4 paychecks in one month
so that would be about 48 paychecks in a year.
Which decimal is equivalent to 5 over 9?
Answer:
0.5 repeating
Step-by-step explanation:
This is because any fraction with a denominator of 9 is a repeating decimal.
Graph the following inequality. x> -4
a survey of magazine subscribers showed that 45.6% rented a car during the past 12 months for business reasons, 54% rented a car during the past 12 months for personal reasons, and 32% rented a car during the past 12 months for both business and personal reasons.
Probability that a subscriber rented a car during the past 12 months for business or personal reasons is 0.676, while the probability that a subscriber did not rent a car during the past 12 months for either business or personal reasons is 0.324
Part a
Probability that a subscriber rented a car during the past 12 months for business or personal reasons:
P(Business or Personal)
= P(Business) + P(Personal) - P(Both)
= 0.456 + 0.54 - 0.32
= 0.676
Part b
Probability that a subscriber did not rent a car during the past 12 months for either business or personal reasons:
P(Did not rent for business or personal)
= 1 - 0.676
= 0.324
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The part of marketing copy that asks the audience to do something with the information you've just provided is known as what? Question 20 options: A. Return on investment B. call to action C. vernacular D. emotional language HELPPPPLSSSSSSSSSSSSSSSSS
The part of marketing copy that asks the audience to do something with the information you've just provided is known as call to action. Option B
What is a marketing copy?Marketing copy can be defined as a content that is written to boost sales or to promote a product or service and also to persuade the readers to take a certain actions.
It is an important tool that is used to educate customers, and it provides the resources and contact details information to help various businesses increase the awareness of their products and services.
What is call-to-action?Call-to-action can be defined as the part of an advertisement or content that encourages the audience to do something.
In marketing, it help in converting a reader or visitor to a lead for the business sales team.
It also drives other marketing actions depending on the content's goal.
Hence, the marketing copy is call-to-action
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Answer:
Step-by-step explanation: B
A 429 g piece of cheese costs $9.50. What will be the cost for 1.42 kg of this cheese?
The cost for 1.42 kg of this cheese will be $ 31.44 .
The process of translating measurements of a given quantity between different units, frequently using multiplicative conversion factors that change the value of the measured quantity without changing its effects, is known as unit conversion. The specific circumstances and the desired result dictate the conversion process. This may be governed by a regulation, contract, set of technical requirements, or other publicly available standards.
Why is the unitary technique used? What is it?In its simplest form, the unitary procedure is used to determine the value of a single unit from a given multiple.
How to calculate the value of one pen, for example, if 40 cost Rs. 400. To finish it, using the unitary method. Additionally, after the value of a single unit has been established, we can multiply that value by the quantity of additional units required to establish the value of the additional units. This is typically how the concepts of ratio and proportion are used. The unitary method entails calculating the value of a single unit before calculating the value of the required number of units.
Given that 0.429 kg of cheese cost $9.50
As a result, the price of 1 kg of cheese is $9.50/0.429, which is $ 22.14.
As a result, 1.42 kg of cheese will cost you $22.14 * 1.42 = $31.44.
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Suppose that 14 inches of wire costs 56 cents.
At the same rate, how many inches of wire can be bought for 44 cents?
by using the unitary method, 11 inches of wire can be bought for 44 cents.
We are given that:
14 inches of wire costs 56 cents.
14 inches = 56 cents
Now, by using the unitary method, we get that:
1 cent = 14 / 56 inches.
1 cent = 1 / 4 inches.
Now, for 44 cents, by using the multiplication, we get that:
44 cents = 1 / 4 inches × 44
44 cents = 11 inches.
Therefore, we get that, by using the unitary method, 11 inches of wire can be bought for 44 cents.
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What is the product of -10/12 × -5/7
Answer: 25/42
Step-by-step explanation. hope it helps
Given g(x) = 4x - 7, find g(-9)
Answer:
g(- 9) = - 43
Step-by-step explanation:
substitute x = - 9 into g(x) , that is
g(- 9) = 4(- 9) - 7 = - 36 - 7 = - 43
could you help with this question please, thank you
Answer:
x = 4.5 and y = 3
Step-by-step explanation:
Area of a rectangle = length x width
= 12 (2x - y)
Area is given as 72
∴ 12 (2x - y ) = 72
Divide both sides by 12 =>
12/12 (2x - y) = 72/12
2x - y = 6 [1]
The kite perimeter is 33
Your equation is correct:
2(3x) + 2(y) = 33
=> 6x + 2y = 33 [12]
So we have two equations and we can solve them as follows
Multiply [1] by 2
2(2x -y) = 2 x 6
4x - 2y = 12 [3]
Coefficients of y in equations [1] and [2] are same but of opposite sign
Add [1] and [3]
6x + 2y = 33
+
4x - 2y = 12
-------------------------
10x + 0 = 45
=> 10x = 45
Divide both sides by 10
=> x= 45/10
x = 4.5
Substitute for x in equation [1]: 2x - y = 6
=> 2(4.5) - y = 6
=> 9 - y = 6
Subtract 9 from both sides
9 - 9 - y = 6 - 9
-y = -3
Multiply by -1 both sides
y = 3
Answer: x = 4.5 and y = 3
Which fractions are equivalent to 0.63? Select all that apply.
7/11, and 63/99 = .636363636 [repeating]
Addison is working two summer jobs, making $10 per hour washing cars and $22 per hour tutoring. Addison must earn a minimum of $170 this week. Write an inequality that would represent the possible values for the number of hours washing cars, ww, and the number of hours tutoring, tt, that Addison can work in a given week.
The inequality that would represent the possible values for the number of hours washing cars, ww, and the number of hours tutoring, tt, that Addison can work in a given week is 5ww + 11tt ≥ 85.
Amount earned by Addison per hour in washing cars = $ 10
Amount earned by Addison per hour in tutoring = $ 22
Minimum amount Addison must earn this week = $ 170
We have to find an inequality that would represent the possible values for the number of hours washing cars, ww, and the number of hours tutoring, tt, that Addison can work in a given week.
Based to the data given in the question, we can write the inequality,
10ww + 22tt ≥ 170
Dividing the inequality by 2, we get
5ww + 11tt ≥ 85
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An object in real life is 55 feet long. How many inches long should it be in the scale drawing?
Based on the length of the object in real life, and the scale factor used, the length of the object on the scale drawing in inches can be found to be 9.17 inches
How to find the length?The scale factor tells us how the measurement of an object on a drawing relates the measurement of the same object in reality.
For a scale factor of 1 inch to 6 feet, it means that every inch of an object on a drawing, would be 6 feet of the same object in real life.
For this object that is in a drawing with a scale factor of 1 inch to 6 feet, the length in real life of 55 feet tells us that the length in the drawing is:
= Number of feet in real life / Number of feet in scale factor per drawing
= 55 / 6
= 9.17 inches
Full question is:
A scale factor of 1 inch to 6 feet is used. An object in real life is 55 feet long. How many inches long should it be in the scale drawing?
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