Answer:
f^-1(x) = (x-1)/-3
Step-by-step explanation:
Invert equation:
Describe X in original function:
multiplied by -3
add 1
Reverse order:
subtract 1
divide by -3
The Humanities final last year had a total of 180 points possible. If a student scored 75% on the final, how many problems did the student answer correctly? How many did the student answer incorrectly?
Answer:
Questions answered correctly:
Student scored 75% out of 180.
= 75% * 180
= 135 problems
Questions answered incorrectly:
= Total points - Questions answered correctly
= 180 - 135
= 45 problems
Please help me I want a good grade!!
Answer:
a
Step-by-step explanation:
Answer:
F
Step-by-step explanation:
To figure out if a set of angles are in a triangle, make sure they add up to 180
F) 58,70,62 58 + 70 + 62 = 190 This option is incorrect
G) 41,68,71 41 + 68 + 71 = 180 This option is correct
H) 68,60,52 68 + 60 + 52 = 180 This option is correct
J) 73,42,65 73 + 42 + 65 = 180 This option is correct
Since option F did not equal 180, F is the answer.
Please help me asap. I need an answer and full explanation. 1st person to complete that gets Brainliest. Question: Amelia likes to collect pokemon cards. She currently has 34 water cards and 29 fire cards. How many more fire cards does she need to collect so her ratio of the number of water cards to fire cards is 2:3?
Thanks and stay perfect.
Answer:
22 cards
Step-by-step explanation:
Set up a ratio.
[tex]\frac{34}{29+x} =\frac{2}{3}[/tex]
[tex]58+2x=102[/tex]
[tex]2x=44[/tex]
[tex]x=22[/tex]
Check: Add 22 to 39. 22+29=51
34/51 = 2/3
Have a great day
Of the 800 participants in a marathon 220 are running to raise money for a cause. How many participants out of 100 are running for a cause?
Answer:
27.5 /100 are running for a cause
Step-by-step explanation:
We know that 220/800 are running for a cause
Divide the top and bottom by 8 to get the fraction out of 100
220 /8 =27.5
800/8 = 100
27.5 /100 are running for a cause
A company's quality control department found an average of 5 defective models for every 1000 models made. If the company produced 60,000 models in a year how many if them would be expected to be defective?
Answer:
300
Step-by-step explanation:
5:1000 can be desimplified to 300:60000
subtract six from a number cubed
Answer:
2
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Ana has 296 coins in her coin collection. She
same number of coins in each of 7 jars. About how
Many coins are in each jar?
HELP QUICK. DONT PUT THE .NUMBER ANSWER PLS. PUT A SOLID ANSWER
Answer:
2,072
296 × 7 = 2,072
Step-by-step explanation:
...
solve 2(x + 3) = x-4 pls <3
Answer:
Step-by-step explanation:
Step 1
Having all the
x
terms on one side of =
Subtract
2
x
from both sides
2
x
−
2
x
+
3
=
3
x
−
2
x
−
4
0
+
3
=
x
−
4
Swap round
x
−
4
=
3
'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Step 2
Have just
x
on the left of =
Add
4
to both sides
x
−
4
+
4
=
3
+
4
x
=
7
2c + 4d
C=8
D=-5
Please help
Answer:
2c+4d
if c=8 and D=5,
2(8)+4(5)
16+20
=36
Step-by-step explanation:
I ordered 1 pizza and my total is $6.53, what is my change if I give you $100
Answer:
93.47
Step-by-step explanation:
100-6.53=93.47
Look at the following graph. Find the slope of the graph and write it in linear equation form (y=mx)
Answer:
y=(3/4)x
Step-by-step explanation:
Find the slope of the line (3/4) and plug that into m
Identify the equation of a line with a slope of -4 and a y-
intercept of (0, 2).
Step-by-step explanation:
We know that the formula for slope is y=mx+b, with m equaling the slope itself and b equaling the y-intercept. Since the slope is -4, we can safely say that the equation starts off as y=-4x.
The y-intercept is (0,2). This means that the x-coordinate is 0 and the y-coordinate is 2, so the y-intercept is 2. Since 2 is being added, the equation is y=-4x+2
Answer:
y=-4x+2
How many cubes with side lengths of 1/4 cm does it take to fill the prism
Answer:
135
Step-by-step explanation:
Someone please help me ASAP
Answer:
13.39x10^10 gallons
Step-by-step explanation:
because if you add them together that is the sum
Answer:
The 2nd option:
1.339×10⁶
Step-by-step explanation:
To find the combined capacity, add the two values together so:
(8.12×10⁵ ) + ( 5.27 × 10⁵ )
It will be simpler to add if you change it out of its
standard form
812000+527000
= 1339000
Now you can write in back in standard form, which will be
1.339×10⁶
(PLEASE HELP GIVING BRAINILEST)
In training for a swim meet, Logan swam 750 meters in 1/3 of an hour. His swimming partner, Mila, swam 2/3 of Logan's distance in 1/4 of an hour.
Fill in the blanks to compare Mila's and Logan’s swimming speeds.
1. What is Logan's average swimming speed? Show your work.
Write your answer in the space below.
2. What is Mila's average swimming speed? Show your work.
Write your answer in the space below.
3. Compare Mila's and Logan’s swimming speeds. You must do something more than just state the speeds. Show your work.
Write your answer in the space below.
Answer:
1. 37.5 metres.
2. 33.33 metres (May be wrong due to the answer but I used the correct solution to find the answer)
3. Refer to explanation.
Step-by-step explanation:
1. Find out how much Logan and Mila both swam.
1/3 of an hour =
60 minutes ÷ 3 = 20 minutes
Logan swam 750 metres for 20 minutes.
Mila swam 2/3 of Logan's distance.
Find out how much is 1/3 of Logan's distance in 1/4 of an hour.
3/3 = 750
1/3 = 750 ÷ 3 = 250
2/3 = 250 x 2 = 500
1/4 of an hour =
60 minutes ÷ 4 = 15 minutes
Mila swam 500 metres in 15 minutes.
To find out Logan's average swimming speed, here's the formula:
Total distance/total elapsed time
So it is 750/20 which is 37.5 metres.
2. Use the same formula I mentioned above in question 1 for average swimming speed, so it is...
500/15 = 33.33 metres
3. Other ways to compare Mila's and Logan's swimming speed is to find out the difference of the distance of how long they swam.
Use Mila's average swimming speed and find out how much metres she would swim if she swam for 20 minutes.
33.33 metres x 20 minutes = 666.6 metres
A chromosome is best described as a what?
Answer:
a single circular double-helical molecule. a single linear double-helical molecule.
C is the answer to the question, hope it helps
Warren made 5 pans of brownies. He will slice the brownies into pieces, and each piece will be 1/10 of the size of a pan. How many slices of brownies will Warren create? a. 10 b. 25 :c. 50. d. 100
Answer:
c
Step-by-step explanation:
If a piece is equal to 1/10 of a pan , a pan would make 10 brownies
5 pans would make , 10 x 5 = 50 brownies
Answer: c
Step-by-step explanation: each pan is 10 slices so if you multiply that with how many pans you have which is 5 and 5 x 10 = 50
Please help me with this one
Answer:
D
Step-by-step explanation:
D, it has a right angle and it shows us that the hypotenuse is congruent and the leg is also congruent.
In parallelogram PQRS, PQ =4x+28, QR=x+31, RS = 10X+4. Which of the
following is the length of RS ? Hint: draw a picture.*
0 1
44
32
4
Answer:
44
Step-by-step explanation:
1) we know that opposite sides of a parallelogram are congruent so
4x+28=10x+4
2) subtract 4 on both sides
4x+24=10x
3)subtract 4x on both sides
24=6x
4)divide by 6 on both sides
4=x
5)substitute for x
length of RS =10(4)+4
length of RD=44
The length of the side RS of the parallelogram PQRS is 44.
Given,
Side PQSide QRSide RSAs we know in a parallelogram, the opposite sides are parallel and equal. So, in this case, side PQ is equal to side RS.
Computation:
[tex]\begin{aligned}\text{Side RS}&=\text{Side PQ}\\10\text{X}+4&=4\text{X}+28\\10\text{X}-4\text{X}&=28-4\\6\text{X}&=24\\\text{X}&=4\end{aligned}[/tex]
When the value of X is determined to be 4.
By using the substitution method the value of X will be used in the side RS to determine the length of RS.
[tex]\begin{aligned}\text{RS}&=10\text{X}+4\\&=(10\times4)+4\\&=40+4\\&=44\end{aligned}[/tex]
Therefore, the length of RS is 44.
To know more about parallelogram, refer to the link:
https://brainly.com/question/1563728
200 children went on holiday. 18% of the children went to Wales. 27% of the children went to Scotland. How many more children went to Scotland than went to Wales?
Answer:
18 children
Step-by-step explanation:
The computation of the more children went to scotland is as follows:
Given that
There is 200 children
out of which 18% went to wales i.e. = 200 × 18% = 36
And, 27% went to scotland i.e. = 200 × 27% = 54
So, the more children went to scotland is
= 54 - 36
= 18 children
The first two terms of a sequence are a1 =4 and a2= -2. Let a3 be the third term when the sequence is arithmetic and let b3 be the third term when the sequence is geometric. Find a3+b3
Answer:
a3 + b3 = -7
Step-by-step explanation:
When the sequence is A.P
a1 =4 and a2= -2
Common difference,d = a2 - a1
= -2 - 4
d = -6
a3 = third term
a3 = a1 + 2d
= 4 + 2(-6)
= 4 - 12
= -8
a3 = -8
When the sequence is geometric
a1 =4 and a2= -2
Common ratio, r = a2/a1
= -2/4
r = -1/2
Or
r = -0.5
b3 = third term
b3 = ar²
= 4 * (-1/2)²
= 4 * 1/4
= 4/4
= 1
b3 = 1
a3 + b3 = -8 + 1
= -7
a3 + b3 = -7
What is five sevens subtracted by two and thirds
Answer:
1/21
Step-by-step explanation:
Consider the exponential function g(x) = 1,296x .
Find the output values for x-values x = –1.75, –1, –0.25, 0, 0.25, 0.50, 0.75, and 1.
Just plug in one x into the equation at a time. You should get 8 outputs.
Answer:
The x values should be on the opposite of the y values
Find the percent.
13 is what percent of 16?
In which set of ordered pairs is y a function of x?
A.{(3, 2), (3, 5), (3, 7)}
B.{(+1, 3), (0, 2), (1, 3)}
C.{(0, 1), (1, 2), (1,3)}
D.{(-2, 0), (0, 2), (2, 2)}
The sum of seven and the quotient of a number and five is eleven?
Answer:
7+(a/5)=11
Step-by-step explanation:
what is purpose of the underlined part of the sentence
Two out of 15 people surveyed were left handed. Based on the data how many people would you predict to be left handed out of 405 people?
A.15
B.27
C.810
D.54
Answer: D. 54 people
Step-by-step explanation:
Since there are a total of 405 people, you first divide 405 by 15 to get 27. Then multiply 27 by 2 considering two in 15 people are left handed, and you're left with 54 people.
These tables correspond to inputs and outputs. Select whether these input and output tables could represent a functions.
Answer:
A function B no function C function D no function
Step-by-step explanation:
The lateral surface area of the cuboids whose dimensions are Length = 22cm, breadth = 12 cm
and height = 7.5 cmn is
Answer:
2×h(l+b)
Step-by-step explanation:
2×7.5(22+12) ,15×24, =360 ,hope you like it