In the diagram FEL ~ JOS
Which ratios are equivalent to tan F? Select all that apply. (Don’t just choose one)
9514 1404 393
Answer:
EL/EF and OS/OJ
Step-by-step explanation:
In the similar triangles, angle F and angle J have the same measure, so will have the same tangent. The tangent is the ratio of the opposite side to the adjacent one.
In ΔFEL, the desired ratio is ...
tan(F) = EL/EF . . . . . 2nd choice
In ΔJOS, the equivalent ratio is ...
tan(J) = tan(F) = OS/OJ . . . . . 7th choice
Mya wants to buy a sweater from a store. The original price of the sweater is $40. The sweater is on sale for 10% off the original price. How much does Mya pay for the sweater?
NEED ANSWERS QUICK! Will give BRAINLIEST!
Answer:
2893.14/321.46=9
Step-by-step explanation:
in 9 months he will run out of money
Mark incorrectly evaluated the expression 4x+12-x to the power of 2 where is x-2. Identify and correct mark’s mistake.
Plsss help mw
Answer:
The value of [tex]4x+12-x^2[/tex] is 16.
Step-by-step explanation:
The given expression is [tex]4x+12-x^2\ at\ x=2[/tex].
Put x = 2 in the above expression as follows :
[tex]4x+12-x^2=4(2)+12-(2)^2\\\\=8+12-4\\\\=16[/tex]
Hence, the final answer is 16.
How can you verify trigonometric identities?
Answer:
Consequently, any trigonometric identity can be written in many ways. To verify the trigonometric identities, we usually start with the more complicated side of the equation and essentially rewrite the expression until it has been transformed into the same expression as the other side of the equation.
Step-by-step explanation:
Select three ratios that are equivalent to 8:58:58, colon, 5. Choose 3 answers: Choose 3 answers: (Choice A) A 16:1016:1016, colon, 10 (Choice B) B 50:8050:8050, colon, 80 (Choice C) C 48:3048:3048, colon, 30 (Choice D) D 32:2032:2032, colon, 20 (Choice E) E 64:3564:35
Answer:
(Choice A) A 16:10
(Choice C) C 48:30
(Choice D) D 32:20
Step-by-step explanation:
Given ratio
8 : 5
Select three ratios that are equivalent to 8:5
Check all options
(Choice A) A 16:10
= 16 / 10
Dividing by 2
= 8 / 5
= 8 : 5
(Choice B) B 50:80
= 50 / 80
Dividing by 10
= 5 / 8
= 5 : 8
(Choice C) C 48:30
= 48 / 30
Dividing by 6
= 8 / 5
= 8 : 5
(Choice D) D 32:20
= 32 / 20
Dividing by 4
= 8 / 5
= 8 : 5
(Choice E) E 64:35
= 64 / 35
The equivalent ratios to 8 : 5 are
(Choice A) A 16:10
(Choice C) C 48:30
(Choice D) D 32:20
C.
Find the value of x3 + 3x²y + 3xy2 + y when x = 3 and y = 4.
涨涨涨涨
Answer:
[tex]x^3 + 3x\²y + 3xy^2 + y[/tex] [tex]=283[/tex]
[tex]When\ x = 3\ and\ y = 4[/tex]
Step-by-step explanation:
Given
[tex]x^3 + 3x\²y + 3xy^2 + y[/tex]
Required
Solve when x = 3 and y = 4
To do this, we simply substitute 3 for x and 4 for y in [tex]x^3 + 3x\²y + 3xy^2 + y[/tex]
[tex]3^3 + 3 * 3^2 * 4 + 3 * 3 * 4^2 + 4[/tex]
[tex]27 + 3 * 9 * 4 + 3 * 3 * 16 + 4[/tex]
[tex]27 + 108 + 144+ 4[/tex]
[tex]283[/tex]
Hence:
[tex]x^3 + 3x\²y + 3xy^2 + y[/tex] [tex]=283[/tex]
[tex]When\ x = 3\ and\ y = 4[/tex]
PLEASE HELPPPPP I NEED IT RIGHT THIS MINUTE PLEASEEEEEEEEEEEEEEEEEEEEEEEEE
Answer:
The answer is 3
Step-by-step explanation:
1/4(16 + 4)-2 = 3
Hope this helped ya
Answer:
1/4(16+4)-2
1/4(20)-2
5-2
3
Step-by-step explanation:
can anyone answer this >?
Answer:
see explanation
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + b
where m is the slope and b the y- intercept
Answer:
m is the slope of the line and b is constant / y intercept value which shows that the line is passing through origin
Tetsuo has 50 arcade tokens . Each arcade game at RetroRamam coast 4 tokens . How many games can Tetsuo play ? (middle school problem 7th grade )
Answer:
he can play 12 games
Step-by-step explanation:
but he is gonna have some tokens left over.
Carson’s wheelbarrow can hold 345 pounds. If he has 121 pounds of rock in the wheelbarrow, what number of pounds, p, can he put in the wheelbarrow without going over the weight limit?
Answer:
345 in total. If there are already 121 in: 345-121=224 pounds.
Ella invested $2,700 in an account paying an interest rate of 5.4% compounded
monthly. Assuming no deposits or withdrawals are made, how long would it take, to
the nearest year, for the value of the account to reach $4,020?
Answer:
The account will take 7 years to reach a value of $4,020
Step-by-step explanation:
Compound Interest
When it occurs interest in the next period is then earned on the principal sum plus previously accumulated interest.
The formula is:
[tex]{\displaystyle A=P\left(1+{\frac {r}{n}}\right)^{nt}}[/tex]
Where:
A = final amount
P = initial principal balance
r = interest rate
n = number of times interest applied per time period
t = number of time periods elapsed
Ella invested P=$2,700 in an account with an interest rate of r=5.4% (0.054) compounded monthly. Since there are 12 months in a year, n=12.
It will be calculated when will the account have a value of A=$4,020. Substituting all the values in the formula:
[tex]{\displaystyle 4,020=2,700\left(1+{\frac {0.054}{12}}\right)^{12t}}[/tex]
Calculating:
[tex]{\displaystyle 4,020=2,700\left(1.0045)^{12t}}[/tex]
Dividing by 2,700:
[tex]{\displaystyle \frac{4,020}{2,700}=\left(1.0045)^{12t}}[/tex]
To solve this equation for t, we need to apply logarithms:
[tex]{\displaystyle \log\frac{4,020}{2,700}=\log\left(1.0045)^{12t}}[/tex]
Applying the logarithm power rule:
[tex]\displaystyle \log\frac{4,020}{2,700}=12t\log 1.0045[/tex]
Dividing by 12log 1.0045:
[tex]\displaystyle t=\frac{\log\frac{4,020}{2,700}}{12\log 1.0045}[/tex]
Calculating:
t= 7.39 years
Rounding to the nearest year, the account will take 7 years to reach a value of $4,020
Answer:
7
Step-by-step explanation:
Without graphing, what are the vertex , axis of symmetry, and transformations of the parent function? Y - |8x-3| - 3
Given:
Consider the given function is
[tex]y=|8x-3|-3[/tex]
To find:
The vertex , axis of symmetry, and transformations of the parent function?
Solution:
We have,
[tex]y=|8x-3|-3[/tex]
[tex]y=\left|8\left(x-\dfrac{3}{8}\right)\right|-3[/tex]
[tex]y=8\left|x-\dfrac{3}{8}\right|-3[/tex] ...(i)
It is an absolute function.
The vertex form of an absolute function is
[tex]y=a|x-h|+k[/tex] ...(ii)
where, a is a constant, (h,k) is vertex and x=h is axis of symmetry.
From (i) and (ii), we get
[tex]a=8,h=\dfrac{3}{8},k=-3[/tex]
So,
[tex]\text{Vertex}:(h,k)=\left(\dfrac{3}{8},-3\right)[/tex]
[tex]\text{Axis of symmetry}:x=\dfrac{3}{8}[/tex]
Parent function of an absolute function is
[tex]y=|x|[/tex]
Since, a=8 therefore, parent function vertically stretched by factor 8.
[tex]h=\dfrac{3}{8}>0[/tex], so the function shifts [tex]\dfrac{3}{8}[/tex] unit right.
k=-3<0, so the function shifts 3 units down.
Therefore, the vertex is [tex]\left(\dfrac{3}{8},-3\right)[/tex] and Axis of symmetry is [tex]x=\dfrac{3}{8}[/tex]. The parent function vertically stretched by factor 8, shifts [tex]\dfrac{3}{8}[/tex] unit right and 3 units down.
HELP NEEDED!!!
What is the area of the heptagon with the radius of 3.0cm and a perimeter of 20.3cm ??!
Step-by-step explanation:
Side length of heptagon = 20.3cm / 7 = 2.9cm.
The heptagon is made out of 7 congruent triangles, each with height 3.0cm and base 2.9cm
Hence area of heptagon
= 7 * [(0.5)(3.0cm)(2.9cm)]
= 7 * 4.35cm²
= 30.45cm².
Given the definitions of f(x) and g(x) below, find the value of f(g(5)).
N
f(x) = 2x² + 7x + 4
g(2) -x+ 5
Answer:
f(g(5)) = 4
Step-by-step explanation:
It says to find the value of f(g(5)). In this case, we first have to find g(5).
Plug 5 into g(x) = -x+5
g(5) = 0
Now, f(g(5)) is f(0), since g(5) was found out to be 0.
Plug in 0 into 2x² + 7x + 4
2(0)² + 7(0) + 4 = 0 + 0 + 4 = 4
So the answer is 4.
Whitey needs to paint a block wall that is 75½ feet long. After
several hours he finished ¾ of it. How many feet does he still need to
paint?
Answer:
18.875 feet left, not sure if you need to round that or not
Answer:
18 7/8 feetStep-by-step explanation:
Total length of the wall to be painted = 75 1/2 feet
Already painted part = 3/4 of total length
Remaining part to be painted:
1 - 3/4 = 1/4 of total lengthRemaining part in feet:
75 1/2 * 1/4 = 151/2 * 1/4 =151/8 = 18 7/8 feetA caterer is making cookie trays for upcoming holiday parties. This morning, she made 4 small trays and 4 large trays, which contain a total of 236 cookies. In the afternoon, she made 4 small trays and 1 large tray, which contain a total of 116 cookies. How many cookies do the different sized trays contain?
Answer:
The amount of cookies in the small tray = x = 19 cookies
The amount of cookies in the Large tray = y = 40 cookies
Step-by-step explanation:
Let
The amount of cookies in the small tray = x
The amount of cookies in the Large tray = y
We are told:
A caterer is making cookie trays for upcoming holiday parties.
This morning, she made 4 small trays and 4 large trays, which contain a total of 236 cookies.
This is represented Mathematically as:
4x + 4y = 236..... Equation 1
In the afternoon, she made 4 small trays and 1 large tray, which contain a total of 116 cookies.
This is represented Mathematically as:
4x + y = 116 ........ Equation 2
y = 116 - 4x
We solve the above equations using the substitution method
We substitute 116 - 4x for y in Equation 1
4x + 4y = 236..... Equation 1
4x + 4(116 - 4x) = 236
4x + 464 - 16x = 236
Collect like terms
4x - 16x = 236 - 464
-12x = -228
x = -228/-12
x = 19 cookies
Solving for y
y = 116 - 4x
y = 116 - 4 × 19
y = 116 - 76
x = 40 cookies
The number of cookies the different sized trays contained is given as:
The amount of cookies in the small tray = x = 19 cookies
The amount of cookies in the Large tray = y = 40 cookies
Holly earns $30 for babysitting 5 hours. She earns $28 when she does chores for 4 hours. Which compares the unit rates?
A. The unit rate for babysitting is $2 per hour more than the unit rate for doing chores
B. The unit rate for babysitting is $1 per hour more than the unit rate for doing chores
C. The unit rate for doing chores is $1 per hour more than the unit rate for babysitting
D. The unit rate for doing chores is $2 per hour more than the unit rate for babysitting
Please help me with 4 (new)
Answer:
First choice, 47/100
Step-by-step explanation:
16 + 9 + 22 + 26 + 15 + 12 = 100
The even numbers are 2, 4, and 6. They rolled two 9 times, four 26 times, and six 12 times. Added together and they're 47, so 47/100
There's no simplification of this fraction as theres no number that can be used to divide both 47 and 100
Given that Cos A=513and angle A is acute. Find the value of 2tan A + 3sin A without using a calculators.
Answer:
This implies that
x2+2ax=4x−4a−13
or
x2+2ax−4x+4a+13=0
or
x2+(2a−4)x+(4a+13)=0
Since the equation has just one solution instead of the usual two distinct solutions, then the two solutions must be same i.e. discriminant = 0.
Hence we get that
(2a−4)2=4⋅1⋅(4a+13)
or
4a2−16a+16=16a+52
or
4a2−32a−36=0
or
a2−8a−9=0
or
(a−9)(a+1)=0
So the values of a are −1 and 9.
Step-by-step explanation:
Answer:
[tex]\frac{492}{65}[/tex]
Step-by-step explanation:
Using the trigonometric identity
sin²A + cos²A = 1 , then
sinA = [tex]\sqrt{1-cos^2A}[/tex] thus
sinA = [tex]\sqrt{1-(5/13)^2}[/tex]
= [tex]\sqrt{1-\frac{25}{169} }[/tex]
= [tex]\sqrt{\frac{144}{169} }[/tex] = [tex]\frac{12}{13}[/tex] , then
tanA = [tex]\frac{sinA}{cosA}[/tex] = [tex]\frac{\frac{12}{13} }{\frac{5}{13} }[/tex] = [tex]\frac{12}{5}[/tex]
Thus
2tanA + 3sinA
= 2 × [tex]\frac{12}{5}[/tex] + ( 3 × [tex]\frac{12}{13}[/tex] )
= [tex]\frac{24}{5}[/tex] + [tex]\frac{36}{13}[/tex]
= [tex]\frac{312}{65}[/tex] + [tex]\frac{180}{65}[/tex]
= [tex]\frac{492}{65}[/tex]
Isaiah gave $18 to his Friends. He gave 4 to Ricardo, $7 to Jeremiah, and the rest to Fabian. how much money did Fabian get?
Answer:
Fabian got $7.
Step-by-step explanation:
Isaiah gave $18 to his friends--Ricardo got $4, Jeremiah got $7, and Fabian got the rest. This needs a math equation!
4 + 7 + f = 18
where f is the amount of money Fabian got.
4 + 7 + f = 18
(subtract 4 from both sides)
7 + f = 14
(subtract 7 from both sides)
f = 7
It looks like Fabian got $7! Let's check just to make sure.
4 + 7 + f = 18
4 + 7 + (7) = 18
18 = 18
It checks out!
What type of triangle is formed by joining the points D(7, 3), E(8, 1), and
F(4, -1)?
Answer:
right triangle
tep-by-step explanation:
i just took the test and worked this out
find the value if x, will give brainliest !!
Answer:
x = 7
Step-by-step explanation:
Since the 2 legs are congruent, then
3x + 12 = 33 ( subtract 12 from both sides )
3x = 21 ( divide both sides by 3 )
x = 7
You need to design a new cereal box for the Yum Yum Cereal Company. The new cereal box must have a volume of 2400 cubic centimeters. Your task is to create a cereal box that would hold a volume of 2400 cubic centimeters of cereal. On your paper, draw the box and label its dimensions. Show your work to verify that the box you drew would hold 2400 cubic centimeters of cereal. Enter in BOTH sets of dimensions here. (Ex: Box #1 - length = ___, width = ____, height = ____, Box #2 - length = ___, width = ____, height = ____)
Answer:
Please find attached the required new cereal boxes for the Yum Yum Cereal Company created with Microsoft Visio
Step-by-step explanation:
The required volume of the cereal box = 2,400 cm³
The box is to be drawn and labeled as follows using Microsoft Visio
Box #1 Length = 16 cm, Width = 15 cm, Height = 10 cm
The volume = Length × Width × Height = 16 cm × 15 cm × 10 cm = 2,400 cm³
Box #2 Length = 30 cm, Width = 10 cm, Height = 8 cm
The volume = Length × Width × Height = 30 cm × 10 cm × 8 cm = 2,400 cm³
What is the slope of this graph? And is it continuous or discrete?
Answer: 45 degree and continuous
Step-by-step explanation: i used a protractor
disclamer:pls dont sue me i dont think im right
The sum of the exterior and interior angles of a triangle is always 360°.
True or false.
Help me please
|2x + 4| > 8
Answer:
X can be anything above
2
which is bigger -5/4 or 128%?
Answer:
128%
Step-by-step explanation:
Because -5/4 is a negative, no matter what is in front of the % in the128%, as long as it's a positive, it is bigger than -5/4
Please help
Bruce retiled his kitchen. Originally, he bought three boxes of tile with the same number of tiles in each. He ran out of tile and had to go back to get three extra boxes of tile. However, he only used two tiles from the last box to finish the job.
Felicia also retiled her kitchen. She bought five boxes of tile with the same number of tiles that were in each as Bruce’s boxes. She also ran out of tile. She had to go back to the store and get an extra five tiles to finish the job.
In this activity, you will determine whether Bruce and Felicia used the same number of tiles and whose tiles cover the most area per tile.
Question - Is it possible for Bruce and Felicia to have used the same number of tiles? Use complete sentences to explain your reasoning.
Answer:
Yes
Step-by-step explanation:
the equation for Bruce would be 3b+3b-2= numbers of tiles used.
and Felocias equation would be 5b+5= numbers of tiles used
so therefore if there were 7 tiles in each box they both could have used the same number of tiles
Your mixing blue paint and yellow paint to get a total of 28 gallons. You want to use 7 times yellow paint as blue. How many gallons of each should you use ?
Answer:
B = Blue paint = 3.5 gallons
Y= Yellow paint = 24.5 gallons
Step-by-step explanation:
Let B = Blue paint
Y= Yellow paint
Your mixing blue paint and yellow paint to get a total of 28 gallons.
B + Y = 28 gallons
You want to use 7 times yellow paint as blue.
This means, 7B = Y
How many gallons of each should you use ?
Hence,
B + Y = 28
B + 7B = 28
8B = 28
B = 28/8
B = 3.5 gallons
B + Y = 28 gallons
Y + 3.5 gallons = 28 gallons
Y = 28 gallons - 3.5 gallons
Y = 24.5 gallons
B = Blue paint = 3.5 gallons
Y= Yellow paint = 24.5 gallons