What is the value of t? t−122=3t2−3 –3 –1 1 3
Answers
If your equation is ...
[tex]t-122=3t^2-3[/tex]
then it has no real solutions, and certainly no integer solutions.
_____
The attached graph show the left side is never equal to the right side of this equation for any real values of t.
the correct answer is actually 3
i just got done with the quiz and the answer was 3
Related Questions
Find the average.
11,16,15,22
A.64
B.15
C.17
D.16
Answers
So:
11 + 16 + 15 + 22 = 64
64 / 4 = 16
Your answer is D. 16. Hope this helps!
Jody, a statistics major, grows tomatoes in her spare time. she keeps a record of the weight of each tomato she grows. what percentage of all her tomatoes will be within one standard deviation of the mean weight? choose the correct answer below.
a. 50
b. 99.7
c. 95
d. 68
e. 10
Answers
μ = the mean
σ = the standard deviation
If the weights of the tomatoes are normally distributed, then about 68% of the weights will be within one standard deviation from the mean.
That is,
P(μ-σ ≤ x ≤ μ+σ) = 0.68
Answer: c. 68
Find all the square number that are greater then 20 but less then 50
Answers
6^2 = 36
7^2 = 49
8^2 = 64
So the answer is 5,6,7
Hope this helped!
of the 30 girls who tried out for the lacrosse team at euclid Middle School, 12 were selected. Of the 40 boys who tried out but, 16 were selected. Are the ratios of the numbers of students on the team to the number of students trying out the same for both boys and girls? How do you know?
Answers
16/40 = 2/5
yes the ratio is the same, because they both simplify to 2/5
hope this helps
You have $27 to spend at the mall and a coupon for $6 off at your favourite store. A t-shirt costs $11 how many tshirts can you buy using your coupon and money
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which is 2 shirts that cost $ 22.
You will have $5 Leftover.
Since you have a $6 dollar off coupon, you could buy one more t-shirt with
$ 5 (11 - 6 = 5)
So, the amount of t-shirt you could buy WITH coupon is 3 T-shirts.
evaluate the expression
(4+49) - 4X10
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hope this works
Solve the given initial-value problem. give the largest interval i over which the solution is defined. x dy dx + y = 6x + 1, y(1) = 8
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[tex]\dfrac{\mathrm d}{\mathrm dx}(xy)=6x+1[/tex]
[tex]xy=\displaystyle\int(6x+1)\,\mathrm dx[/tex]
[tex]xy=3x^2+x+C[/tex]
Given that [tex]y(1)=8[/tex], we have
[tex]8=3+1+C\implies C=4[/tex]
so that the particular solution is
[tex]xy=3x^2+x+4[/tex]
[tex]y=3x+1+\dfrac4x[/tex]
which is valid as long as [tex]x\neq0[/tex], which in turn suggests the largest interval over which the solution may be valid is [tex](0,\infty)[/tex].
Draw or write to show that the number 18 is an even number
Answers
The number 18 is considered an even number because it can be divided by 2 to result in another integer. This is confirmed by writing 18 as 2 times 9, which results in an even product.
Explanation:In mathematics, an even number is any integer that can be exactly divided by 2 without leaving a remainder. For example, the numbers 2, 4, 6, 8, and 10 are even because each can be divided by 2 to result in another integer. If you divide an even number by 2, the result is always a whole number, and that's not the case with odd numbers. Let us examine the number 18.
If we write 18 as 2 times 9, we see that it has been turned into a product of 2 and another integer (9, in this case). This indicates that 18 is indeed an even number. Therefore, we can be sure of the fact that the number 18 is an even number, because it can be divided by 2 without leaving a remainder.
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F is the midpoint EG Find the length EG given that the length FG IS10.9
Answers
that's the answer(dont forget your unit)
The volume of a triangular prism is increased by a factor of 8.
By what factor is the surface area of the figure increased?
Answers
we know that
[tex]larger\ volume=original\ volume*(scale\ factor)^{3}[/tex]
and
[tex]larger\ surface\ area=original\ surface\ area*(scale\ factor)^{2}[/tex]
so
Find the scale factor
we know that
[tex](scale\ factor)^{3}=8 \\ scale\ factor=\sqrt[3]{8}=2[/tex]
Find the factor of the surface area increased
[tex](scale\ factor)^{2}=2^{2} =4[/tex]
therefore
the answer is
the surface area increased by a factor of [tex]4[/tex]
The need to cut the plastic by finding the measures of the angles (scale factor) is 4.
We have given,
Marcel is designing a circular necklace that will consist of 4 sections, each with a different color of plastic.
We know that
What is the formula of larger volume?larger volume=original volume×(scaler factor )^3
larger surface area =original surface area× (scaler factor)^2
To find the scale factor
we know that
(scalar factor)^3=8
Taking cube root on both sides
scale factor=2
Find the factor of the surface area increased
(scale factor)^2=2^2=4
Therefore, The surface area increased by a factor of 4.
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Explain why the point (-3,2) is diffrent from the point (2,-3)?
Answers
Jenny charges for delivering the cakes.
Bob lives 12 miles away.
How much will Jenny charge to deliver the cakes? delivery charges £4 mixed cost + 60p per mile
Answers
To deliver the cakes to Bob, Jenny will charge £11.20.
Explanation:To calculate the delivery charges, we need to find the distance between Jenny's location and Bob's location. Since Bob lives 12 miles away, the delivery distance will be 12 miles. Jenny charges £4 as a mixed cost plus 60p per mile. So, the delivery charge will be £4 + (12 miles * 60p) = £4 + £7.20 = £11.20.
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Enfaite je ne comprend pas cet exercice qui peut m'aider c'est deja la rentré et je galère merci de bien vouloir m'aider
Answers
9 680 en facteurs premier donne 9680 = 2⁴ x 5 x 11² ou 4² x 5 x 11²
Donc on peut diviser l'aire de la pizza ( au minimum) avec des carres de 4 cm de cote et au maximum avec des carres de 11 cm de cote:
Donc 9680÷ 4² = 9680 ÷ 16 = 605 carres de 4 cm chacun
et 9680 ÷ 11² = 9680 ÷ 121 = 80 carres de 11 cm chacun
How do you solve step by step (-10)+14+25+(-16)
Answers
(-10) + 39 + (-16) Change 39 + (-10) to 39 - 10
(-10) + 39 - 16 Subtract 16 from 39
(-10) + 23 Change (-10) + 23 to 23 - 10
23 - 10 Subtract 10 from 23
13
*Remember, you can rearrange expressions like this as long as each number keeps its sign. Notice that (-10) had its negative sign the whole time, even though we moved it around.
Tyler used 17.04 gallons of gas.Maria used 6.2 times as many gallon of gas as Tyler. How many gallons of gas did Maria use?
Answers
Maria=6.2(T), Maria= 6.2x17.04=105.65 gallons
What is the angle above the x axis (i.e., "north of east") for a vector with components (15 m, 8 m)?
Answers
The dotted line represents the x-axis;
Θ represents the desired angle;
Using trigonometry, we can create and solve an equation to get the angle (Θ);
In this case, you can use use sin or cos, I'll go with sin:
SinΘ = opp/hyp
SinΘ = 8/15
Θ = Sin⁻¹(8/15)
= 32.23.... ⇒ 32.2°
Answer:28.071
Step-by-step explanation:
Given
vector component is (15,8)
i.e. its x component is 15 from origin and y component is 8 m
So angle made by vector with x axis is
[tex]tan\theta =\frac{8}{15}[/tex]
[tex] \theta =tan^{-1}\frac{8}{15} [/tex]
at a wedding dance couples have new partners nine times during a five minute song how long does one couple dance together
one couple dances toghether for _ of a minute
Answers
Final answer:
To determine how long one couple dances together, divide the total song duration by the number of times partners change plus one. With nine partner changes during a five-minute long song, each couple dances together for 0.5 minutes.
Explanation:
The question involves calculating the amount of time one couple dances together during a wedding dance if couples change partners nine times during a five-minute song. To find the answer, we need to divide the total time of the song by the number of times the partners change.
First, we find out how many times the couples will dance together. If they switch partners nine times, there will be ten different dancing intervals. Next, we divide the total length of the song by the number of intervals:
5 minutes ÷ 10 intervals = 0.5 minutes per interval.
Therefore, one couple dances together for 0.5 of a minute.
What is the absolute difference between 1/2 and 1/3?
Answers
1/2 - 1/3 = 3/6-2/6 = 1/6
absolute value is 1/6
Should the quotient of an integer divided by a nonzero integer always be a rational number? Why or Why not?
Answers
Simplify each expression. use positive exponents. 1. m^3n^–6p^0
Answers
Use the empirical rule to calculate estimates of tolerance intervals containing 68.26 percent, 95.44 percent, and 99.73 percent of all possible bank customer waiting times. (round your answers to 3 decimal places. negative amounts should be indicated by a minus sign.)
Answers
a certain brand of vitamin C contains 300 mg per tablet. A bottle contains 150 vitamins. How many total grams of vitamin C are in the bottle?
Answers
150 tabletsx(300mg/1 tablet)=150x300=45000 mg=45 grams
Which of the following fractions is closest to the decimal 0.35
Answers
1/3
3/5
3/8
5/1/2
You just have to make the division and compare the results>
1 / 3 = 0.333..
3 / 5 = 0.6
3 / 8 = 0.375
5 / 12 = 0.416.....
So which is closest to 0.35? The answer is 1/3
Which percent is represented by the diagram below?
1.25%
12.5%
125%
1250%
Answers
10+2.5=12.5
So your answer is B 12.5.
25 out of 100 in the other box.....thats 25%
so u have 125% that is shaded
From a rectangular piece of cardboard having dimensions a × b, where a = 20 inches and b = 70 inches, an open box is to be made by cutting out an identical square of area x2 from each corner and turning up the sides (see the figure). Express the volume V of the box as a function of x.
Answers
The volume of the box as a function of x will be 1400x - 180x² - 4x³.
First and foremost, you should note that the volume of a rectangular prism is given as:
= Length × Width × Height
where,
Length = 70 - 2x
Width = 20 - 2x
Height = x
Volume = Length × Width × Height
Volume = (x)(20 - 2x)(70 - 2x)
Volume = 1400x - 40x² - 140x² + 4x³
Volume = 1400x - 180x² - 4x³
Therefore, the volume of the box as a function of x will be 1400x - 180x² - 4x³.
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if x equals 3= xequals 4 then use the equation 2x y -6 x equals 18 Z to find the value of y
Answers
"If x equals 3 and z equals 4, find the value of y in the equation: [tex]12xy-6x=18z.[/tex]"
Input the value of the variables we were given:
[tex]12(3)y-6(3)=18(4)[/tex]
Simplify.
[tex]36y-18=72[/tex]
Add 18 to both sides.
[tex](36y-18)+18=(72)+18[/tex]
Simplify.
[tex]36y=90[/tex]
Divide both sides by 36.
[tex](36y)/36=(90)/36[/tex]
Simplify.
[tex]y=5/2[/tex]
[tex]y=2.5[/tex]
The variable, y is equal to 2.5.
Hope this helps.
-Benjamin
What is the quadratic function
Answers
What is 60000 x 1000?
Answers
The solution is, the value is 60000 x 1000 =60000000.
What is multiplication?In mathematics, multiplication is a method of finding the product of two or more numbers. It is one of the basic arithmetic operations, that we use in everyday life.
here, we have,
given that,
60000 x 1000
i.e. we have to multiply 60000 with 1000
so, we get,
60000 x 1000
=60000000
Hence, The solution is, the value is 60000 x 1000 =60000000.
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Joe bought 20 ounces of nuts at the store. How much is this in pounds? Write your answer as a whole number or a mixed number in simplest form. Include the correct unit in your answer.
Answers
If Joe bought 20 ounces of nuts at the store then the nuts in pounds is 1. 25 lb
What is Unit of Measurement?
A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity.
Joe bought 20 ounces of nuts at the store.
We have to find in pounds.
As we know that 1 ounce is equal to 0.0625 pounds.
Now we have to convert 20 ounces to pounds.
To do this we have to multiply 20 with 0.0625
20×0.0625
1.25 pounds
20 oz is equal to 1. 25 lb
Hence, the nuts in pounds is 1. 25 lb if Joe bought 20 ounces of nuts at the store.
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A school PTA wants to rent a dunking tank for its annual fundraising carnival. The cost is $80 for the first three hours and then $19.75 for each additional hour or part thereof. How long can the tank be rented if up to $200 is budgeted for this expense?
Answers
The tank can be rented for maximum of 6 hours.
We have school PTA wants to rent a dunking tank for its annual fundraising carnival. The cost is $80 for the first three hours and then $19.75 for each additional hour or part thereof.
We have to determine how long can the tank be rented if up to $200 is budgeted for this expense.
The critical level for the number of bacteria spread is 1000. Starting from 500, if the bacteria count rises by 5 every second, then determine whether after 30 seconds the critical level is passed or not?Initial count = 500
Count increasing per second = 5
Critical level = 1000
Assume that the bacteria count after t seconds is y. Then -
y = 500 + 5t
for t = 30 ↔ y = 150 + 500 = 650 < 1000 → Critical level not passed.
According to question, we have -
Cost for first three hours = $80
Cost for additional hour = $19.75
Total Budget = $200
Assume that the tank can be bought for 'n' hours. Then -
80 + 19.75n ≤ 200
Solving the inequality -
19.75n + 80 - 80 ≤ 200 - 80
19.75n ≤ 120
n ≤ 6.07
or
n ≤ 6
Hence, the tank can be rented for maximum of 6 hours.
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