Step-by-step explanation:
Since 8.7b = (-2.9) * (-3b),
and -11.6 = (-2.9) * (4),
8.7b - 11.6 = -2.9(4 - 3b).
Determine the number of unique triangles that can be made from the following.
For △DEF, ∠F= 50°, DE= 62, and DF=80
Answer:
No
Step-by-step explanation:
80+50+62 is not equal to 180
Two possible floor plans for a new bathroom are shown.
Is there a value for x for which the perimeters are equal?
What is the linear equations?
Answer:
Hope it works for u
Step-by-step explanation:
As we have given two shapes bathroom
square and rectangle
Parameter of square= sum of all the sides ( : In square all sides are equal
Parameter of square= 4*L = 4*(x+3) (:L=x+3
similarly,
In rectangle opposites sides are equal hence
Perimeter of rectangle= 2*length+2*width ( : length=x+4,width can't be seen clearly so I assume and take it width=x+1 hope this is equal to the width of ur question otherwise do the calculation by ur self).
Perimeter of rectangle= 2*(x+4)+2(x+1)
so now we have to find the value of "x" for which both perimeter are equal, so
perimeter of square= perimeter of rectangle
4*(x+3)=2*(x+4)+2(x+1) we can also write as
2(x+3)+2(x+3)=2(x+4)+2(x+1)This is the linear equation requirednow to find value of "x"simplify both sides, we get4x+12=4x+100≠2 so that not true and also there is no value of "x"for which both parameters become equal
so from my side "b" option is correctPlease brain-list it if u find it help-full it requires effort!
Answer: B option is correct. To find the perimeter of a rectangle or square you have to add the lengths of all the four sides. x is in this case the length of the rectangle while y is the width of the rectangle.
explanation: I hope that was helpful!
How many solutions does this equation have? 8m = 10 + 8m
Answer:
8m-10=8-m
We move all terms to the left:
8m-10-(8-m)=0
We add all the numbers together, and all the variables
8m-(-1m+8)-10=0
We get rid of parentheses
8m+1m-8-10=0
We add all the numbers together, and all the variables
9m-18=0
We move all terms containing m to the left, all other terms to the right
9m=18
m=18/9
m=2
what are the cordinates at the center of the circle (x-4)2+(y-5)2=36
Answer:
Here I labeled it
Step-by-step explanation:
Answer: Center: (4,0) Radius: 6
Step-by-step explanation:
Rewrite in standard form to find the center
While Tina is shopping, she finds a pair of pants she wants to buy that is priced at $35 but is on sale for 60% off. What expression would you
use to find the total Tina will pay for the pair of pants?
Answer:
35x.40=14
Step-by-step explanation:
you multply $35 by .40 because that is the remaining cost from 60%
Which equation represents exponential growth? Y= 1/3(0.1)^x
https://socratic.org/questions/how-do-you-determine-if-the-equation-y-1-3-0-1-x-represents-exponential-growth-o#416982
Step-by-step explanation:
go to this link maybe it might help you with what youre working with?
Many rare and endangered species live in a unique wetland in Florida called the
75%, 9/10, 0.09 least to greatest
Find the value of X
Answer:
x=8
Step-by-step explanation:
I am pretty sure that x equals 8 because as you can see, it wouldn't make any sense if the answer of x were to equal 7. 15-7=8 which contributes onto making the most sense!
Is the equation a direct variation? If so, what is the constant of variation?
-2y = -6x
Answer:
Actually, your equation represents something that doesn`t vary...
Step-by-step explanation:
Well, this equation represents a CONSTANT. Basically, regardless to the real
x
value you may choose
y
will always be
3
and never change...
Graphically:
graph{0x+3 [-10, 10, -5, 5]}
A launch vehicle is designed to carry up to 35 tons of payload into orbit.
When fully fueled, it will contain 1,216,000 kg of liquid oxygen at a density
of 1,155 kg/m3. What is the total volume of liquefied gasses carried by the
launch vehicle, to the nearest tenth? *
0.0 m
1,052.8 m
102,340.4 m
140,448,000 m
Answer:
1,052.8 m
Step-by-step explanation:
You use the equation D=m/v. You know D 1155 and you know m 1,216,000. So you just solve for volume.
Find the percent change to the nearest whole percent. from 45 feet to 95 feet.
Answer:
211%
Step-by-step explanation:
To calculate the percentage change between these two numbers we need to divide the end result from the initial starting point. Once we do this we need to multiply the product by 100 to get the percentage value.
95 / 45 = 2.11111
2.11111 * 100 = 211.11%
Finally, we can see that the percentage change from 45 ft. to 95 ft. is 211.11%. If we round this to the nearest whole percent it would be a change of 211%
10n + 7 > n -3(5-3n)
What’s The Value Of n?
9514 1404 393
Answer:
n may have any value
Step-by-step explanation:
Eliminate parentheses, subtract the right side from both sides.
10n +7 > n -15 +9n
(10n +7) -(10n -15) > 0
22 > 0 . . . . . . true for all values of n
n may have any value.
Solve the triangle. Round your answers to the nearest tenth.
Answer:
Angles: [tex]\angle A = 43^{\circ}[/tex] [tex]\angle B = 55^{\circ}[/tex] [tex]\angle C = 82^{\circ}[/tex]
Sides: [tex]BC = 20[/tex] [tex]AB = 29[/tex] [tex]AC =24[/tex]
Step-by-step explanation:
See attachment for complete question
From the attachment, we have:
[tex]AB = 29[/tex]
[tex]AC =24[/tex]
[tex]\angle C = 82^{\circ}[/tex]
Required
Complete the missing side and missing angles
To calculate angle B, we apply sine laws:
[tex]\frac{a}{sinA}=\frac{b}{sinB}=\frac{c}{sinC}[/tex]
In this case:
[tex]\frac{AB}{sinC}=\frac{AC}{sinB}[/tex]
This gives:
[tex]\frac{29}{sin(82^{\circ})}=\frac{24}{sinB}[/tex]
[tex]\frac{29}{0.9903}=\frac{24}{sinB}[/tex]
Cross Multiply
[tex]sinB * 29 = 24 * 0.9903[/tex]
Divide both sides by 29
[tex]sinB = \frac{24 * 0.9903}{29}[/tex]
[tex]sinB = 0.8196[/tex]
Take arcsin of both sides
[tex]B = sin^{-1}(0.8196)[/tex]
[tex]B = 55^{\circ}[/tex]
So:
[tex]\angle B = 55^{\circ}[/tex]
To solve for the third angle, we make use of:
[tex]\angle A + \angle B + \angle C = 180^{\circ}[/tex]
This gives:
[tex]\angle A + 55^{\circ} + 82^{\circ} = 180^{\circ}[/tex]
[tex]\angle A + 137^{\circ}= 180^{\circ}[/tex]
[tex]\angle A = 180^{\circ}- 137^{\circ}[/tex]
[tex]\angle A = 43^{\circ}[/tex]
Hence, the angles are:
[tex]\angle A = 43^{\circ}[/tex] [tex]\angle B = 55^{\circ}[/tex] [tex]\angle C = 82^{\circ}[/tex]
To calculate the length of the third side, we apply cosine law
[tex]BC^2 = AB^2 + AC^2 - 2*AB*AC*cosA[/tex]
[tex]BC^2 = 29^2 + 24^2 - 2*29*24*cos(43^{\circ})[/tex]
[tex]BC^2 = 841+ 576 - 1392*cos(43^{\circ})[/tex]
[tex]BC^2 = 841+ 576 - 1392*0.7314[/tex]
[tex]BC^2 = 841+ 576 - 1018.11[/tex]
[tex]BC^2 = 398.89[/tex]
Take the square root of both sides
[tex]BC = \sqrt{398.89[/tex]
[tex]BC = 19.9722307217[/tex]
[tex]BC = 20[/tex]
Where can I watch My hero academia for free without any ads if you don't know then you could suggest something with adds
I don't think there is a way to watch ad-less
I watch it with Premium Hulu.
Answer:
Anime Plus
You can watch it ad free on Anime plus and you don't have to pay for it
Edit: My apologies mha is not on there only the movies are
Combine like terms to simplify
4y+ 6x-2y
Answer:
2y + 6x
Step-by-step explanation:
how many solutions to 2x/3+x/2=17/12
Answer:
)0
Step-by-step explanation:
Which table correctly classifies the numbers 12−−√ and −63?
Answer: 12 is a irrational number and -6/3 is a integer and rational number
Step-by-step explanation:
helphelphelphelphelphelp
Answer:
i have no idea
Step-by-step explanation:
A 6th grade math teacher can grade 15 homework assignments in 24 minutes. If he works at the same rate, how long should it take him to grade 36 homework assignments?[type your answer as a decimal number]
Answer:
57.6
Step-by-step explanation:
If hê works 15 grades in 24 min how long hê will take to finish 36 grades
15 grades= 24 min
36 grades=?
Cress cross
15grades?=24min x 36grades
15 grades?=864 min grades
15grades/15grades?=864mingrades/15grades
?=57.6 min
Answer:
22.5
Step-by-step explanation:
In order to study the relationship between playing football and traumatic brain injuries, researchers placed accelerometers in the helmets of many high school football teams. Accelerometers measure the amount of hits that boys playing high school football absorb during a season. Suppose the average number of hits absorbed by a helmet during a season was 355 hits with a standard deviation of 80 hits. What is the probability on a randomly selected team of 48 players that the average number of head hits per player is between 340 and 360 hits
Answer:
56.96% probability on a randomly selected team of 48 players that the average number of head hits per player is between 340 and 360 hits
Step-by-step explanation:
To solve this question, we need to understand the normal probability distribution and the central limit theorem.
Normal probability distribution
When the distribution is normal, we use the z-score formula.
In a set with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the zscore of a measure X is given by:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
Central Limit Theorem
The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean [tex]\mu[/tex] and standard deviation [tex]s = \frac{\sigma}{\sqrt{n}}[/tex].
For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.
For a single player:
[tex]\mu = 355, \sigma = 80[/tex]
For the sample mean(of 48 playes).
[tex]n = 48, s = \frac{80}{\sqrt{48}} = 11.547[/tex]
What is the probability on a randomly selected team of 48 players that the average number of head hits per player is between 340 and 360 hits?
This is the pvalue of Z when X = 360 subtracted by the pvalue of Z when X = 340. So
X = 360
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
By the Central Limit Theorem
[tex]Z = \frac{X - \mu}{s}[/tex]
[tex]Z = \frac{360 - 355}{11.547}[/tex]
[tex]Z = 0.43[/tex]
[tex]Z = 0.43[/tex] has a pvalue of 0.6664
X = 340
[tex]Z = \frac{X - \mu}{s}[/tex]
[tex]Z = \frac{340 - 355}{11.547}[/tex]
[tex]Z = -1.30[/tex]
[tex]Z = -1.30[/tex] has a pvalue of 0.0968
0.6664 - 0.0968 = 0.5696
56.96% probability on a randomly selected team of 48 players that the average number of head hits per player is between 340 and 360 hits
Simplify 2 + 3/5x - 1 - 1/5x
Answer:
2/5x +1
Step-by-step explanation:
if you combine like terms you can check me to see if i'm right :) have a good day!
In a fruit cocktail, for every 25 ml of orange juice you need 30 ml of apple juice and 45 ml of coconut milk. What proportion of the cocktail is apple juice?
Give your answer as a fraction in its simplest form.
Answer:
The proportion of apple juice
[tex]p = \frac{3}{10} = 0.3[/tex]
Step-by-step explanation:
Given that fruit cocktail, for every 25ml of orange juice
Given that 30ml of apple juice
Given that 45ml of coconut milk
we need to find the proportion of apple juice
The proportion of apple juice
[tex]p = \frac{x^{-} }{n} \\ = \frac{30}{100} \\[/tex]
[tex]p = \frac{3}{10}[/tex]
The proportion of apple juice [tex]p = \frac{3}{10}[/tex]
Sarah buys a shirt on sale at Jersey's. The original price was $28, but the shirt is on sale for 30% off. If there is a 5% sale tax, how much did Sarah pay for the shirt?
Answer:
$20.58
Step-by-step explanation:
28 x 0.30 = 8.4
28 - 8.4 = 19.6
19.6 x 0.05 = 0.98
19.6 + 0.98 = 20.58
1) Which of the following equations has a solution of -4? Choose all that apply.
A) 4(x – 3) = -28
B) 7 = 3x + 11 – 8x + 4x
C) (2x – 16) =-6
D) 19x – 21 + 10 – 15x = -10
E) -17 = - -3(10 — 6x)
Plz help
PLEASE HELP ME !!!!!!!!!!!!!!!!!!!!
Answer:4104
Step-by-step explanation:I think
Abi takes a job with a starting salary of $100,000 for the first year. She earns a 3% increase each year. To the nearest dollar, how much does Abi make over the first six years?
Answer:$646,841
Step-by-step explanation:explanation: I just took the edge quiz this is the answer
Answer:
c
Step-by-step explanation:
Determine whether each equation represents a linear or nonlinear function.
Equation Linear Non - linear
y = 2x³ + 1 No Yes
y = 3x Yes No
y = x/5 Yes No
What is a function?A function is a relationship between inputs where each input is related to exactly one output.
Example:
f(x) = 2x + 1
f(1) = 2 + 1 = 3
f(2) = 2 x 2 + 1 = 4 + 1 = 5
The outputs of the functions are 3 and 5
The inputs of the function are 1 and 2.
We have,
y = 2x³ + 1
For x = 1, 2, 3,
y = 2 + 1 = 3
y = 2 x 2³ + 1 = 2 x 8 + 1 = 17
y = 2 x 3³ + 1 = 2 x 27 + 1 = 54 + 1 = 55
The rate of change.
Between 3 and 17 = 17 - 3 = 14
Between 17 and 55= 55 - 17 = 38
This means the equation is not linear.
y = 3x
For x = 1, 2, 3,
y = 3 x 1 = 3
y = 3 x 2 = 6
y = 3 x 3 = 9
The rate of change.
Between 3 and 6 = 6 - 3 = 3
Between 6 and 9 = 9 - 6 = 3
This means the equation is linear.
y = x/5
For x = 1, 2, 3,
y = 1/5
y = 2/5
y = 3/5
The rate of change.
Between 1/5 and 2/5 = 2/5 - 1/5 = 1/5
Between 2/5 and 3/5= 3/5 - 2/5 = 1/5
This means the equation is linear.
Thus,
y = 2x³ + 1 is a linear equation.
y = 3x is not a linear equation.
y = x/5 is a linear equation.
Learn more about functions here:
https://brainly.com/question/28533782
#SPJ1
convert 2/3 to it's decimal form and round to the nearest thounsandth
Answer:
0.67
Step-by-step explanation:
2/3=0.666 repeating which rounds up to 0.67
Answer:
0.67
Step-by-step explanation:
Which shows all the values of x that make the rational expression 2x^2-72/5x^2-245 underlined
Answer:
7 and -7
Step-by-step explanation:
Correct question
Which shows all the values of x that make the rational expression 2x^2-72/5x^2-245 undefined
For the expression to be undefined, the denominator must be equal to zero
Hence 5x² - 245 =0
Add 245 to both sides
5x²-245+245 = 0+245
5x² = 245
x² = 245/5
x² = 49
x = ±√49
x =7 and -7
Hence the values of x that will make the function undefined are 7 and -7