Step-by-step explanation:
In order to figure out what is f(-2), we substitute all the "x" in the function with "-2" like this:
f(-2) = x² - 6x - 14 = (-2)² - 6(-2) -14
Now we can follow PEMDAS:
(-2)² - 6(-2) -14
= 4 + 12 - 14
= 2.
Hence, f(-2) = 2.
Write an equation for the sequence whose third item is 27 and each item is 5 more than the previous.
9514 1404 393
Answer:
an = 17 +5(n -1)
Step-by-step explanation:
The first term can be found by working backward from the third term:
third term = 27
second term = 22 . . . . subtract 5 from 3rd term
first term = 17 . . . . . . . . subtract 5 from 2nd term
The generic term is given by the formula ...
an = a1 + d(n -1) . . . . . a1 = first term; d = common difference
Here, we have a first term of 17 and a common difference of 5. So, the sequence terms are described by ...
an = 17 +5(n -1)
Answer:
an = 17 +5(n -1)
Step-by-step explanation:
Hope this helps!!
**pls help!! as soon as possible**
ill attach a screenshot of the problem.
Answer:
9
Step-by-step explanation:
Since the triangles are clearly indentical, the ratio of their lenghts is constant
12/18 = x/13.5
x = 2/3 * 13.5
x = 27/3
x = 9
Answer:
9
Step-by-step explanation
ΔABC and ΔDEF are similar
∴ [tex]\frac{AC}{DE}[/tex] = [tex]\frac{AB}{EF}[/tex]
∴ [tex]\frac{12}{18}[/tex] = [tex]\frac{AB}{13.5}[/tex] = [tex]\frac{2}{3}[/tex]
∴ AB = [tex]\frac{2}{3}[/tex] × 13.5 = 9
just help me i dont get this
Answer:
No they are not equivalent
Step-by-step explanation:
its pretty simple. so you do the y/x method, y over x as a fraction, -4/1, -7/2, -10/3, -13/4. So after you set them up you divide them. -4/1= -4 -7/2= - 3.5 -10/3= -3.3 -13/4= -3.4 Then you see if the answers are equivalent ( if they have the same answer) So no they are not equivalent. I hope this helps.
PLEASE HELP THANK YOU!!
Answer:
a)108 b)132
Step-by-step explanation:
a) we get to take out 45% of 240. 45% of 240 is (45/100)*240. That is 108.
b) 100%-45%=55%) 55% of 240 is 240-108 = 132.
Hope this helps!
Which inequality is satisfied by all the x-values below?
x = {0, 1, 3}
Answer:
A
Step-by-step explanation:
6x+11<29
6x<29-11
6x<18
x<3
Mr. Smith is painting the wall but not the door. A gallon of paint will cover 200 square feet. How many gallons of paint will Mr. Smith need to purchase?
What is a million times 0000000000000000000 the answer is 0
Answer: Yea because anything times 0 or as you say 0000000000000000000 is ALWAYS 0. I know this is weird but here is a random fact for you.
Did you know that cats have 18 toes, here is the math.
5 toes on each front foot, 5+5=10
4 toes on each back foot, 4+4=8
Now add them, 10+8=18
Ok I'm done and I hope you enjoy your night/day ( it is January 18 2022 at night right now). BYEEE
A bag contains 5 red marbles, 3 green marbles, 2 purple marbles, 2 orange marbles, and 1 blue marble. 5 red marbles, 3 green marbles, 2 purple marbles, 2 orange marbles, and 1 blue marble. Which color marble is less likely to be picked than purple? blue orange green red
Answer:
blue
Step-by-step explanation:
I NEED HELP ASSSSSAAAAPPPP
Answer:
barney is wrong because he didn't add right
Step-by-step explanation:
Mai's family arrived at her aunt's house at 6:20 at night after riding in the car for 2 hours and 43 minutes. What time did Mai's family leave? Move numbers to the clock to show the time.
Ellen drove 78 miles using 3 gallons of gas. Find how many miles she drove per gallon.
A) 75 miles
B) 26 miles
C) 81 miles
D) 234 miles
Which expressions are equivalent to (4⋅a)⋅2? Drag and drop the equivalent expressions into the box. put them in order FOR BRAINLIES
A. 4.( a. 2)
B. 2.( 4 .a )
C.4 . 2 . a .2
D. 8a
E.4 . 2 + a . 2
k. Jacob is baking chocolate chip cookies. The recipe
uses34cup of sugar. Jacob wants to make one-half
of a batch. How many cups of sugar does he need? ____________
m. In the fridge, Hannah had 23of a quart of milk.
She used half of this milk when she had breakfast
cereal. How much milk did she use? ____________ pls give me a real answer
Answer:
k: 17 cups of sugar
m: 11.5 or 11 1/2
Answer:
Answer for first problem 17
Step-by-step explanation:
You divide 34 by 2 and get 17
Which of the following functions has the function rule y = x + 4?
a) {(-3, 1), (0, 4), (2, 6)}
b) {(0, 2), (-2, -6), (1, 5)}
c) {(-2, 2), (-1, -5), (3, 7)}
d) {(2, 6), (-3, -7), (0, 4)}
WILL GIVE BRAIN
ASAP
Answer:
i think u need your 'BRAIN'
Step-by-step explanation:
we all have a brain no need to give yours ...
HELP DID I ANSWER THIS CORRECTLY? if not explain super short
PLEASE HELP ITS VERY URGENT
Answer:
(a) 77 people (b) 3,773 people
Step-by-step explanation:
(a) 3,850 x 2% = 77
(b) 3,850 - 77 = 3,773
Answer:
A) 77 people
B) 3773 people
Step-by-step explanation:
2% percent per year
population is 3850
next year it will be 2% less
a) This is asking how many people will leave population
To find this
get
3850/100
38.5= 1 percent
so multiply by 2
it equals
77= 2percent
b) Then get the (77) which is 2% and
Subtract it from original amount
3850-77=
3773
For each function: (1) determine the real zeros and state the multiplicity of any repeated zeros, (2) describe the end behavior, and (3) sketch the graph
1) f(x) = -x^4 + 8x^3 - 20x^2 + 16x
Helpppp i'll give brainliest
Answer:
d = 3
Step-by-step explanation:
I really need Help PLS HELP ASAP! WILL MAKE BRAINLIEST: The current temperature in Lansdowne is 20°F. This is 6 degrees less than twice the temperature that it was five hours ago. Write and solve an equation to determine the temperature in Lansdowne five hours ago.
Answer:
(20+6) ÷ 2=13°
it was 13° five hours ago in Landsdowne
Step-by-step explanation:
hope this helps!
ASAP PLZZ HELP IT 30 POINTS AND PLZZ ANSWER THE WHOLE THING EACH SECTION IS COLOR CODED SO YOU CAN SAY LIKE THE BLUE EG GOES IN SECTION 1 IF YOU DONT KNOW WHAT you're DOING PLZZ DONT ANSWER
helpppp pleasee ill give brainliest
In a certain chemical, the ratio of zinc to copper is 4 to 11. A jar of the chemical contains copper. How many grams of zinc does it contain?
Not enough information..
Hey, amazing people can you help me? I will give 25 points and brainlist!
Answer: C, I think!
Step-by-step explanation: 3pi equals 9.4247. The square root of 100, is 10. So, that gives us 10/4. That simplified gives us 2.5.
For A, the square root of 36 is 6. 6 is in between 2.5 and pi, so that is not it.
For B, pi to the second power over 3 equals 3.2897, so that’s not it too!
For C, pi over 2 is 1.5708, so that is it, I’m pretty sure!
I’m only in 7th grade, so I’m sorry if it’s wrong!
:)
Sorry if I made typos!
Please help!! The expression 5(3 + 7) is a (pls explain how to do it)
Answer:
the first one is product and the second one is difference
what is the value of y
Answer:
30 degrees
Step-by-step explanation:
vertical angles
Answer:
30 degrees
Step-by-step explanation:
I think they're vertical angles
Researchers wanted to estimate how many lizards were living in a nearby wildlife preserve. The researchers went to the preserve and marked 89 lizards. A few weeks later, they returned to the preserve and counted 330 lizards, of which 33 were marked. To the nearest whole number, what is the best estimate for the lizard population?
Which label on the cone below represents the diameter? D В А. с ОА ов ос OD
Answer:
C.
Step-by-step explanation:
Answer choice A is showing the radius, half the diameter. This means that answer choice C is the diameter.
The art teacher has 1 gallon of paint which is enough for 2/3 of the class to complete a project how many gallons of paint does she need for the whole class
Answer: 1.5 gallons
Step-by-step explanation:
I hope this helps!!!
Please Help me w/ my 6th-grade math I will give Brainliest :)
Answer:
The last term should be -1 1/2
He added -8 and -2 instead of multiplying
He did not simplify completely
Step-by-step explanation: