f(x) = 3x + 1
f(9) = 3(9) + 1
f(9) = 27 + 1
f(9) = 28
f(9) = 28. I hope this helps! I have a g00gle classroom where I help with algebra including this. If you are interested, please consider joining. I will post the class code in the comments if it would let me. Sorry it wouln't let me type g0ogle properly.
Answer:
28
Step-by-step explanation:
f(9) means when x = 9.
when x = 9,
f(9) = 3(9) + 1
= 27 + 1
= 28
In PQR the measure of R=90 the measure of P=62 and RP=8.6 find the length of QR to the nearest tenth of a foot.
Answer:
QR = 4.6 ft
Step-by-step explanation:
By applying tangent rule in the given triangle PQR,
tan(62°) = [tex]\frac{\text{Opposite side}}{\text{Adjacent side}}[/tex]
= [tex]\frac{8.6}{QR}[/tex]
QR = [tex]\frac{8.6}{\text{tan}(62)}[/tex]
QR = 4.573
QR ≈ 4.6 ft
Find the circumference of the circle. Use 3.14 for pi round the nearest hundredth rig necessary. 30 in the circumference of the circle is abt something in
Answer:
C=2 [tex]\pi[/tex] r
Step-by-step explanation:
3) Write an explicit
formula for the
sequence:
45, 41, 37, 33
Answer and Step-by-step explanation:
f(n) = 45 - 4(n - 1)
This is the explicit formula for the sequence.
45 is the initial amount, which is why it is by itself.
The change in the sequence is take away 4, so this becomes a negative 4, which is then multiplied by (n - 1), where n is the term in the sequence.
#teamtrees #PAW (Plant And Water)
Why should Emily use a wire to connect point 2 to point 4? A) Metal wire is always expensive to work with. B) Metal is a good insulator of electricity. C) Metal wire is a good conductor of electricity. D) Metal is an inexpensive material to work with.
Answer:
c.) Metal wire is a good conductor of electricity.
Step-by-step explanation:
https://byjus.com/questions/why-are-metals-good-conductors-of-electricity/#:~:text=Metals%20are%20an%20excellent%20conductor,of%20the%20interacting%20metal%20ions.
"Metals are an excellent conductor of electricity and heat because the atoms in the metals form a matrix through which outer electrons can move freely. Instead of orbiting their respective atoms, they form a sea of electrons that surround the positive nuclei of the interacting metal ions."
Hope this helped!
Stay safe! <3
50 points
Look at the work for the following function. What mistake did they make when using the quadratic formula to find the solutions? What are the real solutions to the function?
Answer:
see below
Step-by-step explanation:
whenever there is negative number being squared, you need to add the brackets so that you inside the - 1 in front of the number
so this step is wrong
[tex] \sqrt{ - 9 { }^{2} - 4(1)(20) } [/tex]
the -9 ² , you must include the brackets to include the -1 in front of the 9
so it should be
[tex] \sqrt{( - 9) {}^{2} - 4(1)(20) } [/tex]
so you will get = 1
and then you continue with other parts of the formula and you will get real solutions
hope this helps
please mark it brainliest
Keillisse bought a new eraser that came in a cardboard wrapper.
2cm,4cm,5cm
What is the minimum amount of cardboard used for the wrapper?
A. 38 cm
B. 40 cm
C. 76 cm
D. 80 cm
Which point is a solution to the inequality shown in this graph? (0,4) (-3,0)
Answer: (-3,0)
Hope this helps :_)
5[5y -6] = 4[y -7]
solve the equation by balancing the equation
Answer: 2/21
Step-by-step explanation:
5[5y -6] = 4[y -7]
We first need to open the bracket to be able to solve the question
25y - 30 = 4y - 28
Collect like terms
25y - 4y = -28 + 30
21y = 2.
y = 2/21
Therefore, the value for y is 2/21.
What is the volume of this rectangular prism?
3/5cm 4/3cm 3cm
Answer:
The volume is 2.4
Answer:
2.4 cm
Step-by-step explanation:
Length× Width × Height
[tex]\frac{3}{5}[/tex] × [tex]\frac{4}{3}[/tex] × [tex]\frac{3}{1}[/tex] = [tex]\frac{36}{15}[/tex]
[tex]\frac{36}{15} = \frac{12}{5}[/tex]
12÷5= 2.4
Winnie has 7 soccer trophies she wants to arrange in an array. How many different arrays are possible?
Answer:
5040 possible arrangements
Step-by-step explanation:
Given
[tex]Trophies = 7[/tex]
Required
Possible arrangements
The 1st can be placed in any 7 positions
The 2nd, in 6 positions
-----
--
-
Up till the last in 1 position
So, the number of arrangements is:
[tex]Arrangements = 7 * 6 * 5 * 4 * 3 * 2 * 1[/tex]
[tex]Arrangements = 5040\ ways[/tex]
Solve this system using substitution: y=5x and 7x-3y=32
Answer:
x = -4 and y = -20
Step-by-step explanation:
y = 5x and 7x - 3y = 32
→ Substitute y = 5x into 7x - 3y = 32
7x - 15x = 32
→ Simplify
-8x = 32
→ Solve
x = -4
→ Substitute x = -4 into y = 5x
5 × -4 = -20
what’s the comparison to 3/25 and 22/25
Answer:
This is the answer. Hope it helps
Step-by-step explanation:
3/25<22/25
Solve the equation.
m2-14 – 29
Answer:
m = 15
Step-by-step explanation:
m + 14 = 29
Subtract the 14...
m = 15
I hope this helps :)
Answer:
m = 15
Step-by-step explanation:
(PLEASE HELP)
What is the measure of the unlabeled angle in the triangle below?
A.38
B.40
C.49
D.89
Answer: B. 40
Step-by-step explanation:
We know that a triangle has to equal 180 degrees and we have measurements of two sides 49 and 91 we add those together to get 140 and subtract that from 180 to get you answer of B. 40
What is the median of these scores,
98,82,100,84?
Answer:
the median is 91
Step-by-step explanation:
have a good day
help please lolololololololo
Answer:
C. x= 3 ; angle measure is 48°
Step-by-step explanation:
the two angles created by the X are the equal, so to make 16 equal to 48 we multiply by 3
hope this helps chu <3
tell me if i did these correctly and i will mark you brainiest
Answer:
You only got 7, 8, and 9 wrong
Step-by-step explanation:
it said convert to percents not fractions. Number 7 is 35%, number 8 is 80%, and number 9 is 126%
Find the value of this expression if x = -2 and
y = 4.
ху
3
Answer:-8/3
Step-by-step explanation:
given xy/3
putting vales of x and y
(-2)(4)/3
-8/3
someone help with number 2. (it’s algebra 1)
Answer:
98 followers
Step-by-step explanation:
Because 82(1.045)^4 is equal to 97.7865252512 which is 98 when you round it to the whole number...
GOOD LUCK
which triangle congruence postulate, if any, can be used to prove the two triangles are congruent
Answer:
dont know answer sorry minsan tama na sagot
thank you for hurrying here is the very last one Explain how you would find the perimeter of this triangle.
Step-by-step explanation:
Use the method of TOA CAH SOH.
[tex]tan(51.3) = \frac{opp}{adj} \\ \tan(51.3) = \frac{u}{4} \\ u = 4 \tan(51.3) [/tex]
[tex] cos(51.3) = \frac{adj}{hypo} \\ \cos(51.3) = \frac{4}{v} \\ v \cos(51.3) = 4 \\ v = \frac{4}{ \cos(51.3) } [/tex]
Perimeter of triangle = Sum of all sides =
[tex]u \: + \: v + 4[/tex]
Answer:
use right angeled triangle method.
TRAINGLE CONGRUENCE i think ... (PICTURE INCLUDED) PLA EXPLAIN HOW!!!
Answer:
Step-by-step explanation:
Cos ∅ = [tex]\frac{Adjacent side}{Hypotenuse}[/tex]
Cos 48° =[tex]\frac{38}{x}[/tex]
0.67 = [tex]\frac{38}{x}[/tex]
0.67*x = 38
x = [tex]\frac{38}{0.67}[/tex]
x = 56.71
x = 56.7
Determine the value of x that makes each equation true.
-3x =6.3
-1.2x = -30
x/-1.2 = -0.3
^fraction
Solve please help.
HELP PLEASE PLEASE!!!
Answer:
a) 20 feet
Step-by-step explanation:
8ft shadow - 5ft
32ft shadow - [tex]\frac{32}{8}[/tex] × 5ft = 20ft
Answer:
A
Step-by-step explanation:
Ratio from shadow to object
8:5
Given Shadow of tree = 32ft, (8x4)
Height of Tree = 5x4 = 20ft
A
Which expression is equivalent to squareroot a⁷
its D
Answer:
d) sqrt a^6 × a
Step-by-step explanation:
sqrt a^6 × a
= a× a =a
6+ 1 = 7
= sqrt a^7
A technology company claims that 13% of customers who call the help desk cannot log in because they have their keyboard on caps lock, which blocks the log in process due to password case sensitivity. Brian, a help desk worker at this company, thinks this proportion is higher. The 95% confidence interval for the true proportion of customers who cannot log in due to caps lock is (0.128, 0.185). Is it reasonable to believe the true proportion of customers who cannot log in due to caps lock is greater than 13%?
Yes, because most of the values in the interval are above 0.13.
Yes, because the center of the interval is 0.1565, which is greater than 0.13.
No, because 0.13 is in the interval.
No, because there are values in the interval that are less than 0.13.
Answer:
It’s D for heaven sake !
No, because there are values in the interval that are less than 0.13.
Step-by-step explanation:
a truck sits on the platform of a vehicle lift. Two moving arms raise the platform until a mechanic can fit underneath. Why will the truck always be parallel to the ground as it is lifted?
Answer:
Step-by-step explanation:Because many objects are not regularly shaped their volume cannot be determined using a volume formula. The volume of these objects can be found by water displacement. A volume of water sufficient to cover the object is placed in a graduated cylinder and the volume read. The object is added to the cylinder and the volume read again. The difference between the two volumes is the volume of the object. This method is demonstrated using the same battery used above.
Cody bought eight bags of jelly beans at the store. He counted the number of jelly beans in each bag. These are the results:
40, 40, 42, 50, 55, 57, 59, 61
Which measure of central tendency is most appropriate for the data, and why?
mean, since it represents the most frequent number
A
B
mean, since there are no outliers that affect the data
С
median, since there are no outliers that affect the data
median, since it represents the most frequent number
D
Answer:
Mean, since it represents the most frequent number
Help fast please i need it
Answer:
420
Step-by-step explanation:
Answer:
420
Step-by-step explanation:
vnhfuurrttjnnnnnbh
i need help with this question.
*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆
Answer: 32*
Explanation:
9x + 3x-10 + 2x-6 = 180
x = 14
3(14) - 10 = 32
I hope this helped!
<!> Brainliest is appreciated! <!>
- Zack Slocum
*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆
Answer:
<A=32
Step-by-step explanation:
9x+3x-10+2x-6=180
14x-16=180
14x=196
x=14
3(14)-10=