Answers
Answer:
Solve for x
by simplifying both sides of the equation, then isolating the variable. x=ordw
Step-by-step explanation:
or it could be word
Answer:
x=57
Step-by-step explanation:
I think i already answered this question, but i will rewrite it again! since the angles 'x' and '2x+9' add up to become a supplement angle or a straight line.
We can establish the relation which says that the sum of these two angles is equal to 180.
[tex]x + 2x + 9 = 180[/tex]
[tex]3x + 9 = 180[/tex]
[tex]3x = 180 - 9[/tex]
[tex]3x = 171[/tex]
[tex]x = \frac{171}{3} = 57[/tex]
Related Questions
A car burns 40% of the oil in its engine. The car contains 6000ml of oil How much oil does the car burn
Answers
Answer:
2400
multiply 40% and 6000
Step-by-step explanation:
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Answer:
2400 ml
Step-by-step explanation:
So you find 40% of 6000 ml
[tex]\frac{40 * 6000}{100 * 1}[/tex]
So 6000 times 40 is 240000
Then 100 times 1 is 100 leaving us with:
[tex]\frac{240000}{100}[/tex]
240000 divided by 100 is 2400 ml
So the car burns 2400 ml of oil.
HOPE THIS HELPED
A car has an initial velocity of 10 m/s and final velocity of 43 m/s. The time taken
to reach the final velocity was 3 seconds. What is the acceleration of the car?
Hint: Acceleration (in terms of velocity) = (final velocity - initial velocity)/(time) *
Answers
Answer:
160 m/s
Step-by-step explanation:
vi= 10m/s
a= 5om/s*2
t=3 second
vf=?
frist step: find s(distance)
s=vit+1/2 at*2=10m/s x3s +0.5 x50m/s*2 (3s)*2 =30m+225m=255m
second : find vf
s=(vf+vi)/2 xt
vf=2s/t- vi=2(255m)/3s -10 m/s=170 m/s-10m/s=160m/s
Therefore , the final velocity of the car is 160m/s
Solve –9. 4 Greater-than-or-equal-to 1. 7x 4. 2. X Less-than-or-equal-to –8 x Less-than-or-equal-to 8 x Greater-than-or-equal-to –8 x Greater-than-or-equal-to 8.
Answers
The solution for the given [tex]-9.4\geq 1.7x+4.2[/tex] will be [tex]x\leq -8[/tex]
What will be the solution for the given inequality?Given that
[tex]-9.4\geq 1.7x+4.2[/tex]
[tex]-9.4-4.2\geq 1.7x[/tex]
[tex]-13.6\geq 1.7x[/tex]
Divide both sides by 1.7 we get
[tex]\dfrac{-13.6}{1.7} \geq \dfrac{1.7x }{1.7}[/tex]
[tex]x\leq -8[/tex]
Thus the solution for the given [tex]-9.4\geq 1.7x+4.2[/tex] will be [tex]x\leq -8[/tex]
To know more about inequalities follow
https://brainly.com/question/24372553
Tracy says the quadratics below
factors to (x + 6)(x – 6). Is she
correct? Explain in words or show
work to prove your answer.
x2 – 12x + 36
Answers
Answer:
no!
One way is to work backwards and check the factored form (x+6)(x-6) using the FOIL method.
Multiply the first terms, then outside terms, then inside terms, then last terms. Simplify and you will find the extended version of (x+6)(x-6) to be x^2-36, NOT the expression x^2-12x+36.
Try this one out with me let’s if we get the same answer
Answers
Answer:
x = 80°
Step-by-step explanation:
x + 36° + 76° + 74° + 94° = 360°
x + 280° = 360°
x = 360° - 280°
x = 80°
For questions 2-5, the number of pieces in a regular bag of Skittles is approximately normally distributed with a mean of 38.4 and a standard deviation of 2.1. 2.What is the z-score value ofa randomly selected bag of Skittles that has35 Skittles? a) 1.62 b) -1.62 c) 3.40 d) -3.40 e)1.303. What is the probability that a randomly selected bag of Skittles has at least 37Skittles? a) .152 b) .247 c) .253 d).747e).7534. What is the probability that a randomly selected bag of Skittles has between 39 and 42 Skittles? a) .112 b) .232 c) .344 d).457 e).6125. What is the percentile rank of a randomly selected bag of Skittles that has 40 Skittles in it? a)82nd b) 78th c) 75th d)25th e)22nd
Answers
Answer:
a. -1.60377
b. 0.25451
c. 0.344
d. Option b) 78th
Step-by-step explanation:
The number of pieces in a regular bag of Skittles is approximately normally distributed with a mean of 38.4 and a standard deviation of 2.12.
a)What is the z-score value of a randomly selected bag of Skittles that has 35 Skittles? a) 1.62 b) -1.62 c) 3.40 d) -3.40 e)1.303.
The formula for calculating a z-score is is z = (x-μ)/σ,
where x is the raw score
μ is the population mean
σ is the population standard deviation.
z = 35 - 38.4/2.12
= -1.60377
Option b) -1.62 is correct
b) What is the probability that a randomly selected bag of Skittles has at least 37 Skittles? a) .152 b) .247 c) .253 d).747e).7534. .
z = (x-μ)/σ
Mean of 38.4 and a standard deviation of 2.12.
z = (37 - 38.4)/2.12
= -0.66038
P-value from Z-Table:
P(x<37) = 0.25451
The probability that a randomly selected bag of Skittles has at least 37 Skittles is 0.25451
Option c) .253 is.correct
c) What is the probability that a randomly selected bag of Skittles has between 39 and 42 Skittles? a) .112 b) .232 c) .344 d).457 e).6125.
z = (x-μ)/σ
Mean of 38.4 and a standard deviation of 2.12.
For 39 Skittles
z = (39 - 38.4)/2.12
= 0.28302
Probability value from Z-Table:
P(x = 39) = 0.61142
For 42 Skittles
z = (42 - 38.4)/2.12
= 1.69811
Probability value from Z-Table:
P(x = 42) = 0.95526
The probability that a randomly selected bag of Skittles has between 39 and 42 Skittles is:
P(x = 42) - P(x = 39
0.95526 - 0.61142
0.34384
= 0.344
Option c is.correct
d) What is the percentile rank of a randomly selected bag of Skittles that has 40 Skittles in it? a)82nd b) 78th c) 75th d)25th e)22nd
z = (x-μ)/σ
Mean of 38.4 and a standard deviation of 2.12.
z = (40 - 38.4)/2.12
= 0.75472
P-value from Z-Table:
P(x = 40) = 0.77479
Converting to percentage = 0.77479× 100
= 77. 479%
≈ 77.5
Percentile rank = 78th
Which statement about rational numbers is not correct? *
A All rational numbers are also integers.
B Zero is a rational number.
C All integers also rational numbers
D All rational numbers can be written in the form a/b
Answers
A sprinter ran a race in 11 seconds. What is the domain of this graph?
Answers
Answer:
The answer is B.
Step-by-step explanation:
All the integers are positive.
Explain whether the points (−3,8), (−2,3), (−1,−2), (0,−7), (1,−12), and (2,−17) represent the set of all the solutions for the equation y=−5x−7.
A.Yes, because all solutions in the set of solutions for y=−5x−7 need to have integer values for both x and y.
B.Yes, because all of the points that are listed are on the line y=−5x−7.
C.No, because the x-intercept is not provided in the list of points.
D.No, because the set of all solutions of y=−5x−7 is represented by the line of the equation
Answers
Answer:
D
Step-by-step explanation:
We simply put each of the points to test
For a point to be correct, if we substitute the x-coordinate value, we should get the value of the y-coordinate
So let’s proceed
(-3,8)
8 = -5(-3) - 7
8 = 15 -7
8 = 8
(-2,3)
3 = -5(-2) - 7
3 = 10 -7
3 = 3
(-1,-2)
-2 = -5(-1) - 7
-2 = 5-7
-2 = -2
(0,-7)
y = -5x -7
y = -5(0) - 7
y = 0-7 = -7
(1,-12)
y = -5(1) -7
-12 = -5 -7
-12 = -12
(2,-17)
-17 = -5(2) -7
-17 = -10-7
-17 = -17
We can see that all the listed points are on the given line
Although all these points lie on the line, we cannot say they represent the set of all solutions
The set of all solutions can simply be represented by the line of the equation
HELP AnD SHOW UR WORK please, A recipe calls for 5.25 grams of chocolate. If you have 102.375 grams of chocolate, how many batches,of the recipe can you make?
102.375 ÷ 5.25 = b
which number is correct
19
19.5
20
20.5
Answers
[tex][Hello,BrainlyUser][/tex]
Answer:
19.5
Step-by-step explanation:
Given that;
Recipe calls for 5.25 grams of chocolate
Question Ask;
If you have 102.375 grams of chocolate, how many batches,of the recipe can you make?
Note;
102.375 ÷ 5.25 = b
102.375 ÷ 5.25 = Solution
Solve;
[tex]\mathrm{Multiply\:the\:numerator\:and\:denominator\:by:}\:100[/tex]
[tex]\frac{10237.5}{525}[/tex]
[tex]\mathrm{Write\:the\:problem\:in\:long\:division\:format}[/tex]
[tex]\begin{matrix}525\overline{|\smallspace10237.5}\:\:\:\:\:\:\:\:\:\end{matrix}[/tex]
[tex]Divide\;1023\;by\;525\;to\;get\;1[/tex]
[tex]\begin{matrix}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\emptyspace1\:\:\:\:\:\:\:\:\:\:\:\:\:\:\\ 525\overline{|\smallspace10237.5}\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\:\:\:\:\underline{\emptyspace5\emptyspace2\emptyspace5}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\:\:\:\:\emptyspace4\emptyspace9\emptyspace8\emptyspace7\:\:\:\:\:\:\:\:\:\:\:\:\end{matrix}[/tex]
[tex]Divide\;4987\;by\;525\;to\;get\;9[/tex]
[tex]\begin{matrix}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\emptyspace19\:\:\:\:\:\:\:\:\:\:\:\:\:\:\\ 525\overline{|\smallspace10237.5}\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\:\:\:\:\underline{\emptyspace5\emptyspace2\emptyspace5}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\:\:\:\:\emptyspace4\emptyspace9\emptyspace8\emptyspace7\:\:\:\:\:\:\:\:\:\:\:\:\end{matrix}[/tex]
[tex]\:\:\:\:\:\:\:\:\:\underline{\emptyspace47\emptyspace2\emptyspace5}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\\:\:\:\:\:\:\:\:\:\emptyspace2\emptyspace6\emptyspace2\emptyspace5\:\:\:\:\:\:\:\:\:\:\:\:\end{matrix}[/tex]
[tex]Divide\;2625\;by\;525\;to\;get\;5[/tex]
[tex]\begin{matrix}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\emptyspace19.5\:\:\:\:\:\:\:\:\:\:\:\:\:\:\\ 525\overline{|\smallspace10237.5}\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\:\:\:\:\underline{\emptyspace5\emptyspace2\emptyspace5}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\:\:\:\:\emptyspace4\emptyspace9\emptyspace8\emptyspace7\:\:\:\:\:\:\:\:\:\:\:\:\end{matrix}[/tex]
[tex]\:\:\:\:\:\:\:\:\:\underline{\emptyspace47\emptyspace2\emptyspace5}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\\:\:\:\:\:\:\:\:\:\emptyspace2\emptyspace6\emptyspace2\emptyspace5\:\:\:\:\:\:\:\:\:\:\:\:\end{matrix}[/tex]
[tex]\:\:\:\:\:\:\:\:\:\underline{\emptyspace26\emptyspace2\emptyspace5}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\\:\:\:\:\:\:\:\:\:\emptyspace\emptyspace\emptyspace0\:\:\:\:\:\:\:\:\:\:\:\:\end{matrix}[/tex]
[tex]\mathrm{The\:solution\:for\:Long\:Division\:of}\:\frac{102.375}{5.25}\:\mathrm{is}\:19.5[/tex]
[CloudBreeze]
Look at the photo attached
Answers
Answer:
a)(-3n/4-36)=(-3n/4)+(-36)
-3n/4-36=-3n/4-36
-3n/4+3n/4=-36+36
0=0
n=Q(rational number)
The angle below is the image formed when a figure containing ZABC is dilated by a
scale factor of 1/2. What is the measure of ZABC?
Answers
Answer:
48°
Step-by-step explanation:
Dilating a figure makes the side lengths proportional but does not change the measure of the angles.
Which of the following expressions is equal to 48 select all that apply
Answers
Answer:
The first one
Step-by-step explanation:
PLS HELP ASAP THANKS ILL GIVE BRAINLKEST PLS THANKS PLS
Answers
do u mean the point A?
if so point A coordinates are (-5:-8)
please help.
-
Find out the table by finding the y values of each x value given the function f(x)=1/x
Answers
Answer:
-1=-1, -1/3=-3, -1/9=-9, 0=undefined, 1/9=9, 1/3=3
Step-by-step explanation:
I hope this helps
Answer:
Step-by-step explanation:
[tex]f(-1)=\dfrac{1}{-1}= -1\\\\\\f(\dfrac{-1}{3})=\dfrac{1}{\dfrac{-1}{3}}=1*\dfrac{3}{-1}\\f(\dfrac{-1}{3})=-3\\[/tex]
[tex]f(\dfrac{-1}{9})=1*\dfrac{9}{-1}=-9\\\\[/tex]
[tex]f(\dfrac{1}{9})=1*\dfrac{9}{1}=9\\\\f(\dfrac{1}{3})=1*\dfrac{3}{1}=3[/tex]
Find The Sum Of 0.6 And 0.73.
Is it 0.67
1.33
0.79
Or 1.30?
Answers
Answer:
1.33
Step-by-step explanation:
Why can you use a random sample
to make an inference?
Answers
Answer:
Random samples are more likely to contain data that can be used to make predictions about a whole population. The size of a sample influences the strength of the inference about the population.
Step-by-step explanation:
Ahmad runs 7 miles in 80 minutes. At the same rate, how many miles would he run in 64 minutes?
Answers
5.6 Miles
Explanation:
7/80=0.0875 Miles per minute
0.0875*64= 5.6 Miles
So,
A) 80 min will be divided by 7 miles-
80/7 = 11.43 min/ mile
Ahmad runs 1 mile in approximately 11.43min.
B) How long will he run in 64 min?-
Since we know that it takes 11.43min to run 1 mile, we will divide 64 by that 1 mile time.
64/11.43 = 5.6 miles in 64 min.
Our answer is: Ahmad will run 5.6 miles in 64 min.
Another way to solve this, is by cross multiplying:
A)7/80 • x/64 = 448/80x. Now, solve for x by...
B) 448/80 = 5.6
5.6 miles
Hope that helped you understand.
A baker uses 84 cups of flour for 36 batches of cookies. How many cups of flour are needed for 1 batch of the cookies?.
Answers
Answer:
23/10
Step-by-step explanation:
To find the unit rate divide 84 by 36
84 ÷ 36 = 2.3
To convert 2.3 to a faction
2.3 = 2.0 + 0.3
0.3 = 3/10
3/10 + 2 = 2 3/10
2 3/10 = 23/10
4p + 5 + p = 2p + 5 + 3p
P= -2
All real numbers
P = 2
P= 5
Answers
Answer:
P = All real numbers
Step-by-step explanation:
Step 1: Write equation
4p + 5 + p = 2p + 5 + 3p
Step 2: Solve for p
Combine like terms: 5p + 5 = 5p + 5Subtract 5 on both sides: 5p = 5pDivide both sides by 5: p = pHere we see that any value p would render the equation true. Therefore, we have an infinite amount of solutions.
James correctly estimated this difference by rounding each number to the nearest whole.
38.85−2.32
What did James get for his estimate?
Answers
Answer:
37
Step-by-step explanation:
This is because u solve the equation first.
After solving the equation the first decimal on the right.If the number is 5 and more than five u go to the position of the one and add plus one to the ones place and change the decimals to 0, if the number is less than five change the decimals to zero and leave the numbers after the decimal point
An airplane left the airport in Nevada and traveled 3200.0 km to LA. The airplane had an average velocity of 222 m/s. How long was the flight from Nevada to LA in seconds. I will reward brainliest if right. Please and thank you.
Answers
Answer:
14,414.41 secondsStep-by-step explanation:
plane traveled 3200 km
aver. velocity = 222 m/s
find:
How long was the flight from Nevada to LA in seconds.
solution:
time = distance / velocity
= 3200 km x 1000 m
222 m/s 1 km
= 14,414.41 seconds
308025 square root division method
Answers
Question 4 of 25
How is a scientific theory different from a hypothesis?
A. A theory is an explanation of a single phenomenon; a hypothesis is a question that can be tested.
B. A theory is a well-tested explanation; a hypothesis is a possible answer that needs to be tested.
C. A theory and a hypothesis are both educated guesses, but a hypothesis is not proven.
D. A theory explains a scientific law; a hypothesis explains a theory.
Answers
Urgent help!!
1. Donna bakes biscuits on a rectangle cookie sheet that is 30cm by 50cm. Each biscuit has a diameter of 8cm
A. What is the maximum number of biscuits Donna can bake at once on a cookie sheet?
B. If Donna bakes the maximum number of biscuits, what area do the biscuits take up on the cookie sheet?
Answers
Answer:
18
Step-by-step explanation:
we know that
[the area rectangular cookie sheet]=30*50--------> 1500 cm²
let's assume that each biscuit is inscribed in a square of 8 cm side
in the side of 30 cm can be placed -----> 30/8--------> 3.75-----> 3
in the side of 50 cm can be placed -----> 50/8--------> 6.25-----> 6
The maximum number of complete biscuits is 3*6------> 18 biscuits
the answer is 18 biscuit
Answer:
We know that
[the area rectangular cookie sheet]=30*50--------> 1500 cm²
let's assume that each biscuit is inscribed in a square of 8 cm side
in the side of 30 cm can be placed -----> 30/8--------> 3.75-----> 3
in the side of 50 cm can be placed -----> 50/8--------> 6.25-----> 6
The maximum number of complete biscuits is 3*6------> 18 biscuits
the answer is 18 biscuits
Step-by-step explanation: some other guy said it
Walter is making curry for dinner. The recipe says that the curry should cook for 1 hour and 25 minutes. He has been cooking the curry for 59 minutes. According to the recipe, how much longer does Walter need to cook the curry? Write the answer in minutes. minutes
Answers
Answer:
26 minutes.
Step-by-step explanation:
1 hour = 60 minutes. 60 minutes + 25 miuntes= 85 minutes of total cook time. 85 - 59 = 26. We do this because he has already cooked for 59 minutes, and the total time is 85 minutes.
Which value of a would make the inequality statement true? 9.53 < startroot a endroot < 9.54 85 88 91 94
Answers
The value of a lies between 90.8209 and 91.0116 is 91. Then the correct option is C.
What is inequality?Inequality is simply a type of equation that does not have an equal sign in it. Inequality is defined as a statement about the relative size as well as is used to compare two statements.
The inequality is given as
9.53 < √a < 9.54
On squaring both sides, we have
9.54² > a > 9.53²
91.0116 > a > 90.8209
Thus, the value of a lies between 90.8209 and 91.0116 is 91. Then the correct option is C.
More about the inequality link is given below.
https://brainly.com/question/19491153
Answer:
the answer is C
Step-by-step explanation:
i got it right.
HELP ME PLS!!!!!!!!!!!!!!!!!!!!!!!!!
Answers
Answer:
PR =8
Step-by-step explanation:
if you look on the diagram the distance between QS and RS are the same so they equal the exact same. Sorry I don’t know how to do the other one
what is the length of bc?
Answers
Answer:
x = 3
Step-by-step explanation:
not sure what the term is, but AB is equal to BC because AD = DC
using this, you can make the following equation:
5x - 2 = 7x - 8
subtract 5x from both sides
-2 = 7x - 5x - 8
-2 = 2x - 8
add 8 to both sides
-2 + 8 = 2x
6 = 2x
divide both sides by 2
3 = x
What is the oxidation number for n in the compound nh3? (recall that h usually has an oxidation number of 1.) –3 –1 0 3
Answers
The oxidation number of the nitrogen in the ammonia is negative 3. Then the correct option is A.
What is an oxidation number?The number of allocated elements in a chemical combination is termed an oxidation number. The oxidation number is generally the count of the number of electrons that a molecule or atom shares, loses, or gains during bond formation.
The compound is NH₃ is given.
The chemical equation can be written as
NH₃ = N³⁻ + 3 H⁺
Thus, the oxidation number of the nitrogen in the ammonia is negative 3. Then the correct option is A.
More about the oxidation number link is given below.
https://brainly.com/question/10079361
Answer:
A
Step-by-step explanation: