Answer:
B
Step-by-step explanation:
Solve.
y/3 - 5 = 4
y =
[tex]\frac{y}{3} - 5 = 4\\\\\frac{y}{3} \cdot 3 - 5 \cdot 3 = 4 \cdot 3\\ y - 15 = 12\\y = 12 + 15\\y = 27[/tex]
Answer:
y = 27
Step-by-step explanation:
So we have to solve for y in the given equation.
[tex]\frac{y}{3}-5=4[/tex]
Add 5 to both sides.
[tex]\frac{y}{3}=9[/tex]
Multiply both sides of the equation by 3.
y = 27
So we have found that y = 27.
I hope you find my answer and explanation to be helpful.
Solve 4(3b + 2) – 5b = 43 for b. Question 4 options: A) b = 3 B) b = 5 C) b = –3 D) b = –5
Answer:
b = 5
Step-by-step explanation:
4 ( 3b + 2 ) - 5b = 43 Given
( 4 • 3b + 4 • 2 ) - 5b = 43 Distributive Property
12b + 8 - 5b = 43
12b - 5b + 8 = 43 Combine like terms
7b + 8 = 43
7b + 8 - 8 = 43 - 8 Subtraction Property of Equality
7b = 35
7b / 7 = 35 / 7 Division Property of Equality
b = 5
Noya needs to determine the number of books that will fit into a box. If the box has a length of 18 inches and each book is StartFraction 2 Over 9 EndFraction of an inch thick, which expression can be used to determine the number of books that will fit into the box?
18 StartFraction 2 Over 9 EndFraction
18 times StartFraction 2 Over 9 EndFraction
StartFraction 2 Over 9 EndFraction divided by 18
StartFraction 9 Over 2 EndFraction divided by 18
Answer:
A. 18 divided by 2/9
Step-by-step explanation:
To determine the number of boos that will fit into a box that is 18 inches long, we divide the length of the box by the length of the books
18 inches divided by 2/9 inches per book
This tells us how many books
copy dot flip
18 * 9/2
81 books
Answer:
A
Step-by-step explanation:
Triangle QRS has been rotated 90° to create triangle TVU. Using the image below, prove that lines RS and VU have the opposite and reciprocal slopes.
Answer:
If the line RS has been rotated 90 degrees, then VU will be perpendicular to RS and the two slopes must be opposite and reciprocal, i.e. product of the two slopes will equal -1.
As a verification, we find the locations of V and U from rotations of R & S.
(actually, the triangle had been rotated -90°, 90 ° clockwise)
Step-by-step explanation:
Slope RS, m1:
Slope VU, m2
Hence m1*m2=1*-1=-1, meaning that m1 and m2 are opposite (in sign) and are reciprocal to each other, as expected
The lines RS and VU have the opposite and reciprocal slopes because Slope of QRS is 1, where as Slope of TVU is -1
What is slope of a triangle?
Slope of a triangle represents the angle that are formed between positve X-axis moving anticlockwise towards y-axis.
The slope of triangle QRS,RQ=3
SQ=3
slope (Tan∅)=[tex]\frac{perpendicular}{base}[/tex]
=RQ/SQ
=3/3 =1
TanФ=45°
The slope of triangle TUV,UT=3
VT=-3
slope (Tan∅)=[tex]\frac{perpendicular}{base}[/tex]
=UT/VT
=3/-3 =-1
TanФ=135°
Slope of QRS is 1, where as
Slope of TVU is -1
∴ RS and VU have the opposite and reciprocal slopes.
Learn more about slope here: https://brainly.com/question/3493733
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What is the dark spots on the sun called
Answer:
Sunspots are areas that appear dark on the surface of the Sun. They appear dark because they are cooler than other parts of the Sun's surface. Solar flares are a sudden explosion of energy caused by tangling, crossing or reorganizing of magnetic field lines near sunspots.
Step-by-step explanation:
Hope it helps :)
Brainliest pls? Have a good day/night
Each individual number in a sequence of numbers is called what?
Hint: book in your notes.
Term
Common difference
Geometric term
Successive term
Term
Step-by-step explanation:
hope so the answer is satisfying
A marketing consultant created a linear regression model to predict the number of units sold by a client based on the amount of money spent on marketing by the client. Which of the following is the best graphic to use to evaluate the appropriateness of the model
a) a dotplot
b) a histogram
c) a residual plot
d) a boxplot
e) a bar chart
Answer:
C
Step-by-step explanation:
The residual plot give you the most detailed graphical appropriatness
A plot or graph shows the relationship between related variables.
The best graphic to use is the residual plot.
The best graph to plot a linear regression is the scatter plot, because it shows a clear relationship between the variables that are being compared.
From the list of given options, we can say that the residual plot is the best plot to use by the consultant.
This is because, the residual plot is a form of scatter plot that shows the difference between the observed value and the actual value.
In this case, the observed value would be the number of units sold, while the actual value would be the expected number of units to be sold.
Hence, option (c) answers the question.
See attachment for an illustration of the residual plot
Read more about residual plots at:
https://brainly.com/question/2876516
is 5.565656... a rational number
Answer:
Yes 5.565656 is a rational number
Step-by-step explanation:
How do we know?
Rational: Numbers that end and do not go on forever
Examples:
Decimals that end or repeat (in your case)
Fractions
Whole numbers
Square Roots
Yes, the number 5.565656... is a rational number.
We have,
A rational number is defined as any number that can be expressed as the quotient or ratio of two integers, where the denominator is not zero.
In the case of 5.565656..., it is a repeating decimal.
However, repeating decimals can always be expressed as a fraction.
Let's represent 5.565656... as x:
x = 5.565656...
Now, if we multiply both sides of the equation by 100 (to remove the repeating decimal), we get:
100x = 556.565656...
Subtracting the original equation from the above equation, we have:
100x - x = 556.565656... - 5.565656...
99x = 551
x = 551/99
The fraction 551/99 is a ratio of two integers, and it represents the value of 5.565656....
Therefore,
5.565656... is a rational number.
Learn more about rational numbers here:
https://brainly.com/question/24398433
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Need help hurry please
Answer:
Real number
Step-by-step explanation:
18.62 is a Real number. A real number is just a number that is either an integer, decimal or anything like that.
Which among the following is the largest known number in the world?
(a) ∞
(b) googol
(c) googolplex
(d) gram
(½) (6x + 3) = 7 – (3x + 1)
[tex]\tt Step-by-step~explanation:[/tex]
To solve for x, we have to remember to isolate the variable.
[tex]\tt Step~1:[/tex]
For 1/2, we can make that 0.5, since their values are equivalent. Our equation:
[tex]\tt (0.5)(6x+3)=7-(3x+1)[/tex]
Let's distribute the 0.5 first.
[tex]\tt 0.5*6x=3x\\0.5*3=1.5[/tex]
[tex]\tt Step~2:[/tex]
Now, let's simplify the right side of the equation. We have to distribute the negative to 3x and 1.
[tex]\tt -1*3x=-3x\\-1*1=-1[/tex]
Then, we simplify the entire expression.
[tex]\tt 7-3x-1=-3x+6[/tex]
[tex]\tt Step~3:[/tex]
Our equation now:
[tex]\tt 3x+1.5=-3x+6[/tex]
Let's add 3x to the right and 3x to the left to simplify the -3x on the right side of the equation.
[tex]\tt 3x(+3x)+1.5=-3x (3x)+6\\6x+1.5=6[/tex]
[tex]\tt Step~4:[/tex]
Let's do the same thing we did in Step 3 to 1.5. Subtract 1.5 on both sides of the equation.
[tex]\tt 6x+1.5(-1.5)=6(-1.5)\\6x=4.5[/tex]
[tex]\tt Step~5:[/tex]
Finally, we divide both sides by 6 to isolate x.
[tex]\tt \frac{6x}{6} =x\\\frac{4.5}{6}= 0.75~or~\frac{3}{4}[/tex]
[tex]\large\boxed{\tt Our~final~answer:~x=0.75~(or~\frac{3}{4})}[/tex]
what is 2|x – 2| – 12 = 0
Answer:
fff
Step-by-step explanation:
ffcfgg
A number decreased by 8 is the same as twice the number increased by 12. What is the number?
Answer:
n = -20
Step-by-step explanation:
n - 8 = 2n+12 (equation)
+8 +8
n = 2n +20
-2n -2n
-n = 20
/-1 /-1
n = -20
Answer:
Step-by-step explanation:
how would you figure out (-3)(-8) (multiplying integers)
Answer:
24
Step-by-step explanation:
(-3)(-8)
A negative times a negative is a positive
+ 3*8
+ 24
Someone help me solve this it's easy i just don't understand simple math
Answer:
The equation — E = mc2 — means "energy equals mass times the speed of light squared." It shows that energy (E) and mass (m) are interchangeable; they are different forms of the same thing. If mass is somehow totally converted into energy, it also shows how much energy would reside inside that mass: quite a lot.
Step-by-step explanation:
hope this helps..................
Help pls answer all i will give the first person to get them all correct Brainliest !!!
1.) A submarine is 1/5 mile below the ocean surface. The submarine descends another 1/2 mile. What rational number represents the submarines new location after descending?
A.) - 7/10
B.) 2/7
C.) - 2/7
D.) 7/10
2.) A research team aboard an underwear vessel was 4 1/2 feet beneath the surface of the water. The vessel rose 1 2/3 feet. Which rational number represents where the vessel is currently located?
A.) -6 1/6
B.) 6 1/6
C.) -2 5/6
D.) 2 5/6
3.) Ava's Road Paving Company mixed 2 2/3 tons of cement. They used 1 1/5 tons to pave a street downtown. How much cement did they have left?
A.) 3 13/15 tons
B.) 1 7/15 tons
C.) 1 1/5 tons
D.) 1 1/2 tons
Question 1:
We are going to add.
1/5 + 1/2
2/10 + 5/10
7/10
Note that we are going DOWN so the number will be negative.
Therefore, the answer is A.) -7/10
Question 2:
We are going to subtract.
4 1/2 - 1 2/3
9/2 - 5/3
27/6 - 10/6
17/6 or 2 5/6
Note that we are still BELOW sea level so the number will be negative.
Therefore, the answer is C.) -2 5/6
Question 3:
We are going to subtract.
2 2/3 - 1 1/5
8/3 - 6/5
40/15 - 18/15
22/15 or 1 7/15
Therefore, the answer is B.) 1 7/15
Best of Luck!
Find the slope and the point: y – 5 = -8( x – 1)
Answer:
The slope is y=-8x+13
A point would be (0,13)or (3,-11)
Step-by-step explanation:
Answer:
slope: -8 point: (1,-5)
Step-by-step explanation:
point slope form is: y - y₁ = m(x - x₁)
y - 5 = -8(x - 1)
the point would be (1,-5)
y - 5 = -8(x-1)
the slope would be -8
Which of the following is not equivalent to the formula for angular velocity, v = wr? (5 points) vw = r v over w = r v over w r = 1 v over r = w
Answer: vw=r
Step-by-step explanation:
Got it right on the test
what is 2x=8a+2b; solving for x
Answer:
Step-by-step explanation:
Flip the equation 1) 8a + 2b = 2x
Subtract 2b from both sides 2)8a + 2b(-2b) = 2x + (-2b)
Divide by 8 on both sides 3) 8a/8 = -2b - 2x/8
4) a = 1/-4b + 1/4x
12a + 26b -4b – 16a.
Answer:
Step-by-step explanation:
Solving like terms
-4a + 22b
Need help with this geometry problem hard for me smart people only 100% pls fast due now
Answer:
x = 30°
Step-by-step explanation:
We know that the sum of all of the interior angles of a triangle is 180°, therefore, we can write the following equation:
x + 2x + 3x = 180
6x = 180
x = 30°
IS
4
7+
−1
3
RATIONAL OR IRRATIONAL
Answer:
This will be rational.
Step-by-step explanation:
Keep in mind that a rational number is (of a number, quantity, or expression) expressible, or containing quantities that are expressible, as a ratio of whole numbers. When expressed as a decimal, a rational number has a finite or recurring expansion.
Point D is rotated 180 degrees using B as the center. Explain why the image of D must lie on the ray BA.
Answer:
The image of [tex]D[/tex] must lie on the ray [tex]BA[/tex], since ray [tex]BA[/tex] is antiparallel to ray [tex]BD[/tex]. That is, the angle between both rays is 180 degrees.
Step-by-step explanation:
Let be [tex]D'[/tex] the image of [tex]D[/tex] such that [tex]D[/tex] is rotated 180 degrees counterclockwise with [tex]B[/tex] as center of rotation.
[tex]D'[/tex] must lie on the ray [tex]BA[/tex], since ray [tex]BA[/tex] is antiparallel to ray [tex]BD[/tex]. That is, the angle between both rays is 180 degrees.
The distribution of resting pulse rates of all students at Santa maria high school with approximately normal with a mean of 80 bpm and a standard deviation of 9 bpm the school nurse plans to provide additional screening to students who is resting pulse rates are in the top 30% of the students were test what is the maximum testing resting pulse rate at the school for students with received additional screen
Answer:
85 beats per minute
Step-by-step explanation:
khan academy
pls follow the steps and show work
Solve the following inequality for x.
-3x + 2 > -10 - 5x
A.
x > 1.50
B.
x > -6
C.
x < 1.50
D.
x < -6
Answer:
B.x>-6
Step-by-step explanation:
-3x+2>-10-5x
-3x+5x>-10-2
2x>-12
2x/2>-12/2
x>-6
Evaluate : -5x+7y^2-z
Answer:
=7y2−5x−z
Step-by-step explanation:
Which expression is equivalent to (3−22)+5?
22−5
5−22
32−5
5−32
Answer:
B
Step-by-step explanation:
it is correct
Help plz
Use the graph to fill in the blank with the correct number
F(1) =______
Greetings! Hope this helps!
Answer
-2
Explanation
If you go 1 to the right on the x-axis, then go down on the y axis until you meet the point.
Have a good day!
_______________
A brainliest would help tons! :D
GIVING BRAINLY NEED ASAAP PLSS HELLP 46 POINt
Answer: g = 2m + 4
Step-by-step explanation:
