Answer:
An additional assumption is that a is not negative.
Step-by-step explanation:
If a could be negative, then:
(-7)^2 < 3^2 would be false because
49 is not greater than 9
Suppose that angle P = 3x + 14 and angle Q = 3x - 27. If these angles are supplementary, angle Q would need to be ___ degrees.
Answer:
Q = 69.5 degrees
Step-by-step explanation:
3x + 14 + 3x - 27 = 180
6x - 13 = 180
6x = 193
x = 32.1667
Q = 3(32.1667) - 27
Q = 69.5
A multiple choice test contains 25 questions with 5 answer choices. What is the probability of correctly answering 8 questions if you guess randomly on each question?
Answer: 0.0623
Step-by-step explanation:
The probability of correctly answering 8 questions if you guess randomly on each question is 0.062348.
It is given that multiple choice test contains 25 questions with 5 answer choices.
To find probability of correctly answering.
What is probability?The extent to which an event is likely to occur, measured by the ratio of the favorable cases to the whole number of cases possible.
Given that:
The probability of each correct answer is [tex]p_{s}[/tex][tex]=\frac{1}{5}[/tex]
The probability of 8 successful answers in 25 independent trials for a binomial probability distribution is:
p(k|n)=[tex]\frac{n!}{(n-k)!*n!}[/tex][tex]p_{s}^{k} (1-p_{s})^{n-k} \\[/tex]
p(8|25)=[tex]\frac{25!}{(25-8)!*8!}[/tex][tex]{\frac{1}{5} }^{k} (1-1/5)^{25-8} \\[/tex]
p(8|25)=0.062348
So, the probability of correctly answering 8 questions if you guess randomly on each question is 0.062348.
Learn more about probability here:
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What is compound interest What is the difference between compounded monthly and
continuously
Answer:
compostion
Step-by-step explanation:
comPOSTION
What is the smallest 5 digit even number you can make using 1 2 3 4 5 6 7 8 9 only once
9514 1404 393
Answer:
10,000
Step-by-step explanation:
5(9·8·7·4 -2(6 +3 -1)) = 10,000 . . . . a 5-digit even number
Find the length indicated
If AB= x+4, BC=2x-10, and AC=2x+1, then find the value for AB
Answer:
x+4→AB=7+4=11
Step-by-step explanation:
Which of the equations is shown by the shaded area of the model? A. 0 . 29 + 0 . 37 = 0 . 63 B. 0 . 34 + 0 . 23 = 0 . 57 C. 0 . 36 + 0 . 27 = 0 . 63 D. 0 . 24 + 0 . 33 = 0 . 57
Answer:
is there anyway you could show the Shaded area of the model because I can't answer it without is that part of the picture showing. Thank you
Helppp please due tomorrow
Answer:
9
Step-by-step explanation:
since the side that was originally 2 is now six, it means that it tripled, and 3x3 is 9.
what is the common factor [tex]4x^{2} -18x[/tex]
Answer:
2x(2x-9)
Step-by-step explanation:
2x is the factor.
19. Subtract: 5 - 3 1/3
A. 3 1/3
B. 2 1/3
C. 1 2/3
D. 2 2/3
The longest side of an acute isosceles triangle is 12 centimeters. Rounded to the nearest tenth, what is the smallest possible length of one of the two congruent sides?
6.0 cm
6.1 cm
8.4 cm
8.5 cm
Answer:
6.1 cm
Step-by-step explanation:
it depends on what your teacher told you and wants to see.
because, theoretically, it would be 6.0 cm. but that would render the whole triangle into a flat line, as the 2 equal sides together (2×6 = 12) would be exactly as long as the baseline (12) of the triangle.
which is again a theoretically possible construct (counting as extreme triangle).
but it is more likely that your teacher wants the definition applied that for each combination of 2 sides this combination has to be larger (and not larger or equal) than the third side.
so, the 2 equal sides have to be larger than 6 cm.
the smallest number in your answer options to fit that criteria is 6.1 cm
just FYI - your teacher was not very precise in the phrasing, because there are many numbers smaller than 6.1 that would still be correct.
like 6.01, or 6.005, ...
Rounded to the nearest tenth, the smallest possible length is 6.1 cm.Thus, the answer is B) 6.1 cm.
In an acute isosceles triangle, the longest side is opposite the largest angle. Since the triangle is isosceles, the two congruent sides are equal in length.
In an acute triangle, the largest angle is less than 90 degrees. In an isosceles triangle, the two base angles are congruent. Therefore, each base angle must be less than 45 degrees.
Now, let's apply the triangle inequality theorem to determine the smallest possible length of one of the congruent sides. According to the theorem, the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.
In this case, the longest side is 12 centimeters. Let's assume each of the congruent sides has a length of x centimeters.
Based on the triangle inequality theorem, we have the following inequality:
2x > 12
To find the smallest possible length, we divide both sides of the inequality by 2:
x > 6
Therefore, the smallest possible length of one of the two congruent sides is greater than 6 centimeters.
Rounded to the nearest tenth, the smallest possible length is 6.1 cm.
Thus, the answer is B) 6.1 cm.
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1 year is what fraction of a decade?
Answer:
It is 1/10
Step-by-step explanation:
One decade has 10 years
[tex]{ \sf{1 \: decade = 10 \: years}} \\ { \sf{ \frac{1}{10} \: decade = 1 \: year}}[/tex]
Answer:
10% , 1/10, or 10/100
Step-by-step explanation:
There are 10 years in a decade
1/10 represents the 1 year out of the 10!
Simplify (3 + 6i) − (8 − 5i). (6 points)
−5+ i
6
16
−5 + 11i
the answer would be d !
−5 + 11i
Answer:d
Step-by-step explanation:
the answer would be d !
−5 + 11i
A share of stock is now worth 20% of its value from a year ago. If it is now worth $44,250, what was it worth a year ago?
Answer:
$8850
Step-by-step explanation:
44250 divided by 0.2 (output value converted from percentage to decimal)
Similarly, if you want to add percentage, multiply instead of divide!
un automóvil a recorrido 640 km a velocidad constante 4 horas Cuál es la velocidad del automóvil
Answer:
2,560
Step-by-step explanation:
necesitas sumar 4 veces 640 o multiplicar 4×640
Jane bought 23 pounds of flour for $11 how many pounds of flour did she get pre dollar
Answer:
2.090 pounds
Step-by-step explanation:
11 dollars
23 pounds
dollars ÷ pounds = pounds per dollar
23 ÷ 11 = 2.090 pounds8
Answer:
Step-by-step explanation:
23 lbs / $11 = 2.09 lb/$
About: Classifying Rational Numbers
Question: Write each rational number in the form a-t (fraction) where a and b are integers.
Offering 30 points for a answer!
0.7 -29 and 8|1-3 (fraction)
Answer:
i dont know how to use sign
2. A pipe is leaking at a rate of 8 fluid ounces per minute. Find out how many gallons the pipe is
leaking per hour.
Using dimensional analysis
Answer:
3.75
Step-by-step explanation:
8 fl x 60 ( minutes )= 48 fl oz
48 fl oz divided by 128= 3.75 gallons.
Help please need to finish up this work soon!!
9514 1404 393
Answer:
x = 605π/12 ≈ 158.4
Step-by-step explanation:
To eliminate the denominator under the variable, multiply both sides of the equation by that value.
[tex]\dfrac{x}{\pi\cdot11^2}=\dfrac{15}{36}\\\\x\cdot\dfrac{\pi\cdot11^2}{\pi\cdot11^2}=\dfrac{5}{12}\cdot\pi\cdot11^2\\\\\boxed{x=\dfrac{605\pi}{12}\approx158.38863}[/tex]
for a graph of a quadratic i have x intercepts that are x=12 and x =35 do i have enough information to find the y-coordinate of the vertext and why
Answer:
No... provided no other information or no graph is provided.
Step-by-step explanation:
You can find the x-coordinate of the vertex which can be calculated using the two given x-intercepts. Using the symmetry of the parabola, it would just mean the vertex should lay midway between the x's. So the x-coordinate of the vertex is (12+35)/2=47/2.
However, we do not have enough information about the relationship between x and y to find the y-coordinate of the vertex.
All we are given is y=a(x-12)(x-35) (where a is real number) since we know the relationship is quadratic, and the zeros are 12 & 35.
So we could have many possible y-coordinates for our vertex since we don't know the value of a in our equation and we can plug in our x-coordinate for our vertex to find them all.
y=a(47/2-12)(47/2-35)
I'm just going to put everything to right of a in calculator:
y=-529/4 ×a
So that's all the possible y-coordinates for the vertex.
5 increased by the product of 2 and t
Answer:
Step-by-step explanation:
increased means add.
5 + 2*t
A restaurant serves soda pop in cylindical pitchers that are 6 inches in diameter and 8 inches tall. if the pitcher has1-inch head of foam, how much soda is lost as a result? ( ROUND YOUR ANSWER TO TWO DECIMAL PLACES.)
Questions relating Word Problems can sometimes be resolved by taking note of the definition of given clues
The amount of soda lost is approximately 28.27 in.³
The reason the above value is correct is as follows:
The known parameters about the the soda pop served by the restaurant are;
Diameter of the cylindrical pitcher in which the soda pop is sold, D = 6 inches
The height of the cylindrical pitchers, h = 8 inches
Thickness of the head of foam in the pitchers, t = 1 inches
Required:
The amount of soda lost as a result of the head of foam
Method:
Define a pitcher
Calculate the volume occupied by the head of foam
Solution:
A pitcher holds drink and usually has a lip and handle, therefore, the drink is filled level with the pitcher
The volume occupied by the head of foam = The amount of soda lost
The volume occupied by the head of foam, [tex]\mathbf{V_{(head \ of \ foam)}}[/tex] = The volume of 1 inch height of the foam in the cylindrical pitcher
Volume in a cylinder = Base area × Height
[tex]\mathbf{Base \ area\ in \ a \ cylinder} =\dfrac{\pi \cdot D^2}{4}[/tex]
The height of the foam = The thickness of the foam = t
∴ [tex]V_{(head \ of \ foam)} =\mathbf{\dfrac{\pi \cdot D^2}{4} \times t}[/tex] =
Plugging in the values of D, and t, gives;
[tex]\mathbf{V_{(head \ of \ foam)}} =\dfrac{\pi \times (6 \ in.)^2}{4} \times 1 \ in. = \pi \mathbf{\times 9 \, in.^3}[/tex]
The volume of the head of foam, given to two decimal places is presented as follows;
[tex]V_{(head \ of \ foam)}[/tex] = π × 9 in.³ ≈ 28.27 in.³
The volume of the head of foam = The amount of soda lost ≈ 28.27 in.³
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is statistics mathematics or science? defend your answer.
Answer:
Both
Step-by-step explanation:
Science and Math both are related in many concepts. I will say that Statistics is a mathematical science concept because it deals with the collection, analysis, interpretation or explanation, and presentation of data.
Answer:
Hello There!!
Step-by-step explanation:
The answer is=>Both, it is a mathematical science topic.
hope this helps,have a great day!!
~Pinky~
largest 3 digit odd number
Answer:
999
Step-by-step explanation:
verizon's plan costs $75 per month and gives you unlimited talk, and 500 messages per month, and no dataplan. If you send more 500 text messages, on top of the $75 it will cost $.10 per text overage. Write the piecewise function for the following situation. If you send 800 text messages, then how much will your bill be?
Write the integer that represents the situation. °F represents the change The temperature was 15°F. It dropped so that the temperature was 0°F. in temperature. °F represents the change in temperature.
Hi there!
»»————- ★ ————-««
I believe your answer is:
-15
»»————- ★ ————-««
Here’s why:
⸻⸻⸻⸻
The temperature dropped from 15°F to 0°F. The change was negative in value since it dropped to a lower temperature. The temperature dropped by 15 degrees, so we would fill in the blank with -15.⸻⸻⸻⸻
»»————- ★ ————-««
Hope this helps you. I apologize if it’s incorrect.
Is [tex]2 \frac{2}{3} [/tex]
a rational number
evaluate the expression for the given values of the variable.
Answer:
10
Step-by-step explanation:
we know that y=sqrt(7), so just plug it into the expression y^2 +3. now we have (sqrt(7))^2 +3, (sqrt(x))^2=x, so (sqrt(7))^2 +3= 7+3=10
Kendra has already prepared 15 kilograms of dough and will continue preparing 1 kilogram
of dough every hour. How many hours did Kendra work if she prepared 23 kilograms of
dough?
a cake is sliced into 12 equal pieces 1/2 of the cake is: slices
Answer:
6
Step-by-step explanation:
1/2 of 12
1/2×12
6
i hope this will help