Answer:
Step-by-step explanation:
w = − 7
Answer:
w = - 7
Step-by-step explanation:
- 23 = 3x - 2
- 23 + 2 = 3x - 2 + 2
- 21 = 3w
3w = - 21
3w ÷ 3 = - 21 ÷ 3
w = - 7
I know the answer is no x intercepts because we have an answer sheet to check our answers i just forgot how to do this and would appreciate an explanation: ind the number of x-intercepts of y= -x^2 + 4x - 12
Answer:
negative square root will result in zero x-intercepts
Step-by-step explanation:
there are no x-intercepts because if you use the quadratic formula on the equation you get a negative square root which results in zero x-intercepts
in this case, a=-1, b=4, c=-12
[-4±√4² - 4(-1)(-12)] / 2(-1)
= [-4 ± √16-48] / -2
= -4 ± √-32 / -2
What is the value of x in the triangle?
Answer:
a. 10√2
Step-by-step explanation:
hey, just use Pythagoras theorem
h²=p²+b²=10²+10²=100+100=200
h²=200, h= √200 =√(100×2)=√100×√2=10√2
A hiker has 2 pairs of hiking shoes, 3 shirts, and 5 pairs of shorts to choose from. How does the number of combinations of shoes, shirts, and shorts change as the
hiker adds a new pair of shorts to his collection? Explain.
If the hiker adds
new pair of shorts to his collection, the new number of combinations is
which is
than
The original number of combinations is
the original number of combinations.
(Type whole numbers.)
Answer: 12
Step-by-step explanation:
There are 12 different combinations
If you base it off of the 2 pairs of shoes, each one goes over each shirt twice, and each pair of shorts will go over once
hi please help me i’m sorry it’s just i need this so bad
Answer:
lol i need help on that 2
Step-by-step explanation:
Answer:
The range is {5,2,1,10}
Step-by-step explanation:
If the domain is {-2,-1,0,1,3} then plug those values in for x in the equation of f(x). To start you would get f(x)=(-2)^2+1, which is 5, and then keep solving those respective equations.
Laurie is trying to stay within 10 feet of her current diving depth of -30 feet (with regard to sea level) so that the light is still good but she can be close to the sea life during her scuba dive Which two equations can be used to find the minimum and maximum depths Laurie wants to stay between?
Answer:
It should be the first one
Step-by-step explanation:
since positive ten would represent going further up and negative ten going further down, the diver would be within ten feet of her current position
Answer:
A) -30 - x = 10 and -30 - x = –10
Step-by-step explanation:
Part 1:
1) Isolate the variable x
-30 - x = 10
-x = 40
2) Multiply both sides by -1
x = -40
Therefore -30 - x = 10 is correct
Part 2:
1) Isolate the variable x
-30 - x = –10
-x = 20
2) Multiply both sides by -1
x = -20
Therefore -30 - x = –10 is also correct
Final Answer: -30 - x = 10 and -30 - x = –10
Suppose a normal distribution has a mean of 48 and a standard deviation of 5. What is the probability that a data value is between 48 and 52? Round your answer to the nearest tenth of a percent. O A. 26.2% . B. 30.5% O c. 31.1% O D. 28.8%
Answer:
31.1 best answer
sorry if it's wrong
28.8% is the probability that a data value is between 48 and 52.
What is probability?Probability is a number that expresses the likelihood or chance that a specific event will take place. Both proportions ranging from 0 to 1 and percentages ranging from 0% to 100% can be used to describe probabilities.
First, we need to standardize the values and use a standard normal distribution table or calculator.
The standardized value of 48 is:
z = (48 - 48) / 5 = 0
The standardized value of 52 is:
z = (52 - 48) / 5 = 0.8
Now we need to find the probability that a data value is between z = 0 and z = 0.8 in a standard normal distribution. We can use a standard normal distribution table or calculator to find this probability.
Using the table or calculator, we can find that the probability of a data value being between z = 0 and z = 0.8 in a standard normal distribution is approximately 0.2881.
Rounding this answer to the nearest tenth of a percent, we get:
P(48 < x < 52) ≈ 28.8%
Therefore, the answer is D, 28.8%.
Learn more about probability here:
https://brainly.com/question/30034780
#SPJ2
In the right ABC above, what is the length of the side BC?
!!!!!!!!!!!!!!
Answer:
look at the picture i have sent
In the right ABC above, the length of the side BC is 4.
What is the Pythagoras theorem?The Pythagoras theorem states that the square of the longest side must be equal to the sum of the square of the other two sides in a right-angle triangle.
[tex]|AC|^2 = |AB|^2 + |BC|^2[/tex]
Given;
Side BA= [tex]\sqrt{11}[/tex]
Side AC= [tex]\sqrt{5}[/tex]
BC^2=BA^2+AC^2
BC^2= ([tex]\sqrt{11}[/tex])^2 +([tex]\sqrt{5}[/tex])^2
BC^2= 11+5
BC^2= 16
BC= 4
Therefore, the Pythagoras theorem gives answer 4
Learn more about Pythagoras theorem;
https://brainly.com/question/343682
#SPJ2
In Earth’s atmosphere, the speed of sound can be approximated using partial variation. The speed of sound is approximately 331 m/s at 0°C and approximately 343 m/s at 20°C.
Jenny yells out “Hello” in a canyon when the air
temperature is 10°C. It takes 1.4 s to hear her
echo. How far away is the wall of the canyon?
The grid shown below is in the shape of a rectangle. What is the area, in square units, of the shaded part of the rectangle? *
Answer:
I'm going to say 24. I'm 97% sure I'm correct
I need help with all odd numbers please
Answer:
5. a = 4
7. x = -8
9. x = -1
11. p = 1.1
13. x = -1
15. x = -4
Step-by-step explanation:
2.9a = 11.6
2.9a/2.9 = 11.6/2.9
a = 4
-3.7x = 29.6
-3.7x/-3.7 = 29.6/-3.7
x = -8
(x-5)(-3) = 18
(x-5)(-3)/-3 = 18/-3
x-5 = -6
x-5+5 = -6+5
x = -1
3.6 = -2p+5.8
3.6-5.8 = -2p+5.8-5.8
-2.2 = -2p
-2.2/-2 = -2p/-2
1.1 = p
2x+6 = -4x
2x+6-6 = -4x-6
2x = -4x-6
2x+4x = -4x-6+4x
6x = -6
6x/6 = -6/6
x = -1
21-6x = -11-14x
21-6x-21 = -11-14x-21
-6x = -14x-32
-6x+14x = -14x-32+14x
8x = -32
8x/8 = -32/8
x = -4
Answer:
5.) a= 4
7.) x= -8
9.)x= -1
11.) p= 1.1
13.) x= -1
15.) x= -4
Step-by-step explanation:
5.) divide 11.6 by 2.9a
7.)divide 29.6 by -3.7u
9.) Divide by sides by -3. simplify. Add 5 to both sides. then simplify again x= -1
11.) subtract 5.8 from 3.6 . you're left with -2p=-2.2 divide both sides by -2. you get p=1.1
13.)Subtract 6 from both sides. You get 2x= -4x-6. Add 4x to both sides. then divide -6 by 6 you get x=-1
15.) Simplify both sides of the equation, so add 14x to -6x +21 side, you get 8x= -32 then divide -32 by 8x you get -4
The short sides of a right triangle is called the???? I NEED HELP
Answer:
the side that is opposite of the right angle is called the hypotenuse
Step-by-step explanation:
enjoy this cat
1a.) Brian borrowed 4 non-fiction books from the library. This was 25% of the
books he checked out. How many books did Brian check out? *
Answer:
Step-by-step explanation:
Answer:
16 books
Step-by-step explanation:
100÷25=4
4×4=16
State the x- and y-intercepts of each equation
y= -2x + 7
Answer:
x-intercept(s): ( 7/ 2 , 0 )
y-intercept(s): ( 0 , 7 )
Step-by-step explanation:
Answer:
y = 7, x = 7/2
Step-by-step explanation:
y - intercept = 7
x - intercept = 7/2
percent of a number
(please answer all the questions, there is only 5, thank you!)
Please help ASAP !!
Answer:
3rd one or infinite
Step-by-step explanation:
Simplify the expression. Write your answer as a power.
6^10/6^4
Answer:
6^6
Step-by-step explanation:
Divide the terms with the same base by subtracting their exponents.
6^10 - 4 = 6^6
Answer:
6^6, which equals 46656
Step-by-step explanation:
So when dividing things with exponents in them, you subtract the exponents. With this, you would do:
6^10/6^4 = 6^10 - 6^4 ---> 6^6
The answer would be 6^6, which equals 46656
Help me with this please!!!!!
Answer:
d = √(x2 - x2)^2 + (y2 - y1)^2 + (z2 - z1)^2
P1(0, 0, 0) P2(-9, 6, -4)
Substitute the values in the above equation and you will get
d = √(-9)^2 + (6)^2 + (-4)^2
= √(81 + 36 + 16)
= √133
= 11.53
Answer:
The answer is 11.53
A pile of cards contains red and blue
cards. The ratio of blue cards to red
cards is 5:7, and there are 15 blue
cards in the pile. What is the total
number of cards in the pile?
Answer:
There are 36 cards
Step-by-step explanation:
let blue be B and red be R
B:R =5:7
B/R = 5/7
there are 15 blue cards...
15/R = 5/7
make R subject of the formula...
R = (15×7)/5
R = 21
there are 21 red cards and 15 blue cards
Total number of cards = red cards + blue cards
= 21 + 15
= 36 cards
Please help I struggle with this
Answer:
1390
Step-by-step explanation:
The triangles are 8*15* 2 and that equals 240. now you have 3 rectangles so solve so 23*17 is one another is 17*23 and the last one is 16*23 and that all equals 1150. so now you add 240 and 1150= 1390
A clothing store advertises that its prices are only 10% above cost. What is the store's profit on a coat that is advertised for $160?
how to turn 8/2 into a proper fraction?
Answer:
4 1/2
Step-by-step explanation:
how many times can 2 go into 8 it can go in 4 Times so 4 on the side and 1/2
Answer:
The only way to do it is to turn it into a mixed fraction. You do that by dividing 8 and 2. It doesn't come in a fraction, so your ans should be 4
Mark me brainliest :))
Miguel volunteers at his local food pantry and takes note of how much money is donated each day during a 10-day
fundraising phone-a-thon. Below is the graph that represents the data that he collected.
Ty Food Pantry Donations
300
250
200
Dollars Donated
150
100
50
1
2 3 4 5 6 7 8 9 10 X
Number of Days
The slope of the line that represents the data that Miguel collected is 25, and the y-intercept is 50. What do the slope and
y-intercept represent in Miguel's situation?
Answer:
Step-by-step explanation:
The answer is c
Answer:
C
Step-by-step explanation:
pls help me i dont know the awnser
Answer:
13/12
Step-by-step explanation:
make into inproper fraction then cross multiply then reduce to lowest terms. hope this helps
Answer:
Length of each stump is 2.167 feet
Step-by-step explanation:
8 2/3 divided by 4 is 2.166667
2.166667 simplified is 2.167
Given the point (x, y) = (3, 8), find x' of the image point with respect to an axis rotated 60.
3/2 + 4√3
(3√3)/2 - 4
(3√3)/2 + 4
The value of x', the image point with respect to an axis rotated 60 is 3/2 + 4√3
How to determine the x' coordinate?The point is given as:
(x, y) = (3, 8)
The angle of rotation is given as:
θ = 60
The image of rotation is calculated using:
x = x'cosθ - y'sinθ
y = x'sinθ + y'cosθ
So, we have:
3 = x'cos(60) - y'sin(60)
8 = x'sin(60) + y'cos(60)
Evaluate cos(60) and sin(60)
3 = 1/2x' - y'√3/2
8 = x'√3/2 + 1/2y'
Multiply the second equation by √3
8√3 = 3/2x' + √3/2y'
Add this equation and the first equation to eliminate y'
3 + 8√3 = 1/2x' + 3/2x'
Evaluate the sum
3 + 8√3 = 2x'
Divide through by 2
x' = 3/2 + 4√3
Hence, the value of x' is 3/2 + 4√3
Read more about rotation at:
https://brainly.com/question/16691874
#SPJ1
Brad is planning to attend a public university after he graduates from high school in 2.5 years. He is devising a plan to save money each month to help with the expenses of attending the university. The cost of attending the public university for one-year is $15,900. His family has promised to contribute $6,500 each year he is in school. What is the minimum amount of money Brad must contribute to his savings per month for the next 2.5 years to have enough money to pay for his first year of tuition?
a
$219.99
b
$416.66
c
$517.77
d
$313.33
Answer:
d. 313.33
Step-by-step explanation:
please rank brainliest if possible:)
In the parallelogram RSTU, the diagonals RT and SU intersect at point W.
A. 4
B. 8
C. 10
D. 20
If RW = 2x + 2 and RT = 3x +8, what is the length of WT?
Answer:
4
Step-by-step explanation:
i did the math but i did the math but i dont wanna type it all out
5) A bag contains eight red
marbles and six blue
marbles. You randomly pick
a marble and return it to the
bag before picking another
marble. What is the
probabilty that the first
marble you picked was blue
and the second marble was
red? Record your answer as
a decimal to the
thousandths place (three
places past the decimal).
Answer:
P(B,R) = 24.490%
Step-by-step explanation:
P(B,R) = 6/14 x 8/14 which can be simplified to become 12/49 or 24.490%
Find 789.81−474.928 . Express your answer in decimal form.
Answer:
314.882
Step-by-step explanation:
789.81 − 474.928 = 314.882
Mark as Brainliest
Answer 1 pointss. Brainly back
Answer:
5
Step-by-step explanation:
I believe that this is correct because 220 is divisible by 5, which means it has completed the pattern 44 times (220 divided by 5 is 44). So 221 means that it has completed it 44 times, and then starts it one more time with only the first number.
divide 6x3 ÷3x how to do please tell me
Answer:
hey your answer would be 3x • (2x2 - 1)
please tell me if im wrong
Step-by-step explanation: