Answer:
division sign
Step-by-step explanation:
nine divided by ten it separate the numbers giving the numerator and denominator
Factorise :
z - 7 + 7 x y – x y z
pls tell my fellows
Answer:
(xy - 1)(7 - z
Step-by-step explanation:
z - 7 + 7 x y – x y z
= 7xy - xyz - 7 + z Factor by grouping:-
= x y(7 - z) -1(7 - z)
= (xy - 1)(7 - z).
Stella is using her compass and straightedge to complete construction of a polygon inscribed in a circle. Which polygon is she in the process of constructing?
Answer:
A regular pentagon
Step-by-step explanation:
A pentagon has 5 sides. There are 5 tick marks.
The answer polygon is a Hexagon.
What is a hexagon?A hexagon is a six-sided polygon. Hexagon has some special properties when we are talking about inscribed polygons.
Two vertices of the hexagon lie on the corners of the diameter of the circumscribing circle.
Given that, Stella is using her compass and straightedge to complete the construction of a polygon inscribed in a circle.
We are asked which polygon is she in the process of constructing.
Since, there are 6 marks on the circle, which is one of the step for constructing a hexagon.
So, We can say that she is constructing a regular hexagon inside the circle.
For more references on hexagon, click;
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Please help! What is 2250/7 as a mixed number?
Answer:
321.
Step-by-step explanation:
First, divide 2250 by 7 to see how many times 7 can go in. You should get 321 and 3 as your remainder. To put it into mixed number format, it would put 321 as your whole number and your remainder divided by 7. It would be 321 3/7. Hope this helps :)
Answer:
321 3/7
Step-by-step explanation:
On the last 5 quizzes, Marco has earned a total of 21 out of 25 possible points. If he has a perfect score on the next several quizzes, exactly how many points will he need to bring his average up to 90%?
(a)Write a rational equation to represent this situation
(b) Solve the equation and show how how you got your answer.
A) The rational equation that represents the given situation in the question is; (21 + x) = 0.9(25 + x)
B) Solving the equation gives the number of points needed to bring his average to 90% as; 15 points
We are told that he earned a total of 21 out of 25 possible points.
A) Now, if he has a perfect score on the next several quizzes, it means the number of points which we will call x that he needs to bring his average up to 90% is calculated from the rational equation;
(21 + x)/(25 + x) = 90%
⇒ (21 + x)/(25 + x) = 0.9
⇒ (21 + x) = 0.9(25 + x)
B) To find the number of points, let us solve the equation in A above to get;
(21 + x) = 0.9(25 + x)
Using distributive property on the right hand side, we have;
21 + x = 0.9(25) + 0.9x
21 + x = 22.5 + 0.9x
Using subtraction property of equality;
x - 0.9x = 22.5 - 21
0.1x = 1.5
x = 1.5/0.1
x = 15 points
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50 points and brainliest to first correct answer :/
The figure below shows a quadrilateral ABCD. Sides AB and DC are congruent and parallel:
A quadrilateral ABCD is shown with the opposite sides AB and DC shown parallel and equal.
A student wrote the following sentences to prove that quadrilateral ABCD is a parallelogram:
Side AB is parallel to side DC, so the alternate interior angles, angle ABD and angle CDB, are congruent. Side AB is equal to side DC, and DB is the side common to triangles ABD and BCD. Therefore, the triangles ABD and CDB are congruent by SSS postulate. By CPCTC, angles DBC and BDA are congruent and sides AD and BC are congruent. Angle DBC and angle BDA form a pair of alternate interior angles. Therefore, AD is congruent and parallel to BC. Quadrilateral ABCD is a parallelogram because its opposite sides are equal and parallel.
Which statement best describes a flaw in the student's proof?
Question 11 options:
Angle DBC and angle BDA form a pair of vertical angles, not a pair of alternate interior angles, which are congruent.
Triangles ABD and CDB are congruent by the SAS postulate instead of the SSS postulate.
Triangles ABD and BCD are congruent by the AAS postulate instead of the SSS postulate.
Angle DBC and angle BDA form a pair of corresponding angles, not a pair of alternate interior angles, which are congruent.
Answer: Where is the figure??
"The figure below shows a quadrilateral ABCD. Sides AB and DC are congruent and parallel:"Answer:
I think it this one but picture would help...
Angle DBC and angle BDA form a pair of vertical angles, not a pair of alternate interior angles, which are congruent.
50 ptsss and brainiest.
What's 1+2
Answer:
3
THX
Step-by-step explanation:
HELPP PLEASE
read the picture
Answer:
12 is the answer 12 I think but I'm not sure
4 of the students in a Biology class passed a Biology test. If these students are 25% of all the students in the class, how many students are in this Biology class? Round your answer to the nearest whole number if necessary.
Answer:
625=63 to the nearest whole number
Step-by-step explanation:
= 4/100×25%
= 625
= 63 to the nearest whole number
Answer:
16
Explanation:
Reasoning:
You know that 4 students = 25% of the class,
and that ? students = 100% of the class,
So you would want to plan it out like this:
4 ----- 25%
? ----- 100%
This is how you would solve it:
4 x 100
25
Multiply 100 x 4 = 400
Divide 400/ 25 = 16
Hope this helped ya!
mathhhhhhhhhh is harddddddd
given,
measure of sides of the square = 12 cm
we know, diagonal
d = a√2
now,
d = 12√2
d = 16.970
a/q we have to round the answer to the nearest centimetres
so,
it is 17 cm
hope this answer helps you dear! take care!
pls help solve this
Answer:
RS < SQ < RQ
Step-by-step explanation:
The smallest angle is opposite the smallest side and the largest angle is opposite the largest side.
Angles is order of it angle measures : 36° , 69° , 75°
The name of the opposite side: RS SQ RQ
Answer: RS < SQ < RQ
Are the two terms on each tile like terms?
Answer:
1 like
2 unlike
3 like
4 like
5 unlike
6 unlike
Step-by-step explanation:
For terms to be like terms, they must have exactly the same variables and the same exponents.
1 like
2 unlike
3 like
4 like
5 unlike
6 unlike
3 trigonometric ratio
Answer:
B
Step-by-step explanation:
[tex]Tan \ A = \dfrac{Opposit \ side \ A}{Adjacent \ side \ of \ A}\\\\Tan \ A = \dfrac{16}{12}=\dfrac{4}{3}[/tex]
mixed numbers multiple 4 1/2 x 1 2/3
Answer:
7 1/2
Step-by-step explanation:
So, we have the problem 4 1/2 x 1 2/3.
Lets convert both of these mixed fractions into improper fraction, because it would be much easier to multiply.
4 1/2= 9/2 as an improper fraction
1 2/3= 5/3 as an improper fraction
Now, lets multiply!
9/2 x 5/3
Lets multiply the numerators first.
9 x 5 is 45
Now, the denominators.
2 x 3 is 6
So, 9/2 and 5/3 is 45/6
Lets convert 45/6 into its mixed fraction form
45/6 as a mixed fraction would be 7 1/2
Hope this helped :)
9c+27=27 how many solutions
Answer:
c = 0
Step-by-step explanation:
There can only be one possibility to make this equation make sense. If we were to do any number greater than 0, the equation wouldn't work.
If c = 0
9(0) + 27 = 27
0 + 27 = 27
27 = 27 :)
If c = 1
9(1) + 27 = 27
9 + 27 = 27
36 ≠ 27 :(
Evaluate the expression.
17−{2+2[−1(7−10)]2}
What is the value of the expression?
Enter your answer in the box.
Gets 30 PTS!!!
AND BRAINLEST
An equation is a way of writing a statement with two or more expressions with operations such as addition, subtraction, multiplication, and division.
The value of the expression 17 − {2 + 2 [−1 (7 − 10) ] 2} is 3.
What is an expression?An equation is a way of writing a statement with two or more expressions with operations such as addition, subtraction, multiplication, and division.
Example: 2x + 3 x 4 - 3 is an expression.
We have,
= 17 − {2 + 2 [−1 (7 − 10) ] 2}
We will first solve,
(7 - 10) = 7 - 10 = -3
Now,
= 17 - {2 + 2[-1 x -3] 2}
We will solve [-1 x -3],
[-1 x -3] = 3
Now,
= 17 - {2 + 2 x 3 x 2 }
We will solve { 2 + 2 x 3 x 2 }
{ 2 + 2 x 3 x 2 } = 2 + 12 = 14
Now,
= 17 - 14
Subtracting we get,
= 3
Thus,
The value of the expression 17 − {2 + 2 [−1 (7 − 10) ] 2} is 3.
Learn more about expressions here:
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If A = {1,20,30..} and B = {4,6} find n(A-B)?
Explanation:-
Given sets are A = { 1,20,30}
B = { 4,6}
Now,
A-B = { 1,20,30} -{ 4,6}
⇛ A-B = { }
Since there are no common elements in both A and B sets
⇛Number of elements in A-B = 0
⇛n(A-B) = 0
Therefore, n(A-B) = 0
ADDITIONAL COMMENT:
Points to know:-
Empty set :-
A set having no element is called an empty set or void set or null set .It is denoted by phi or { } The cardinal number of the Null set = 0Difference of two sets :-
A and B are two sets ,The set of elements which belongs to A and does not belong to B is called The difference between the two sets A and B and it is denoted by A-B.Cardinal number of a set :-
The number of all distinct elements in a set is called its Cardinal number .It is denoted by n(A).HELP me please!!!!!
What is the slope of the graph.
Answer:
Slope = ¼
Step-by-step explanation:
Given the following points from the graph, (0, 1) and (8, 3):
Let (x₁, y₁) = (0, 1)
(x₂, y₂) = (8, 3)
Substitute these values into the following slope formula:
m = (y₂ - y₁)/(x₂ - x₁)
m = (3 - 1)/(8 - 0) = 2/8 = ¼
m = ¼
Therefore, the slope of the given graph is ¼.
What is.
12.12 x (−2.9)
Answer:
-35.148
I don't know if you need to round the answer or not
Step-by-step explanation:
Hello there!
Question:-[tex]\sf \longmapsto 1.12 \: \times ( - 2.9)[/tex]
This is a arithmetic expression.We need to find the result of it.
Solution:-[tex]\sf \longmapsto12.12 \times ( - 2.9)[/tex]
As (-) * (+) equals to (+),
The new Arithmetic expression will be :-
[tex]\sf \longmapsto - (12.12 \: \times 2 . 9)[/tex]
Then, Simply multiply :-
[tex]\sf \longmapsto - (35 .148)[/tex]
Remove the parenthesis:-
[tex]\sf \longmapsto - 35.148[/tex]
On Converting -35.148 to fraction :-
[tex]\sf \longmapsto \: - \dfrac{8787}{250} [/tex]
On Mixed fraction:-
[tex]\sf \longmapsto \: - 35\dfrac{37}{250} [/tex]
______________________________________
Henceforth the answer of the arithmetic expression is :-
[tex] \boxed{\bf \: - 35.148 \: (approx.)}[/tex]
In Alternate Form:-
[tex]\boxed{\bigg\{\bf \: - \dfrac{8787}{250} , - 35\dfrac{37}{250}\bigg\}} [/tex]
________________________________
I hope this helps!
Please let me know if you have any questions.
~MisterBrian
50 Points
Step 3: Making predictions using data
You and your business partner track the number of customers served and the amount of tips collected per day. The data you gathered is displayed in the chart below.
Servers’ Collected Tips
Customers 54 46 34 67 52 22 49 64 55 80 38 42
Tips ($) $92 $80 $76 $121 $109 $43 $87 $114 $99 $174 $88 $91
a) Create a scatterplot displaying the data in the table. Be sure to include a linear trend line. (2 points)
b) Find the equation of the trend line (line of best fit). Show your work. (2 points)
c) Predict the amount of tips that would be collected if 100 customers were served at the restaurant on a given day. Explain your reasoning. (2 points)
d) Explain how to use the regression calculator to make a reasonable prediction given a data table. (2 points)
Answer:
a) I am sorry, but I don't know this one.
b) y = mx + b
=> b = y-intercept = 0
=> m = slope = Rise/Run
=> Rise/Run = 120/65
=> Rise/Run = 24/13
=> Slope = 24/13
=> Our Equation: y = 24x/13
c) After drawing the trend line, we can conclude that if 100 costumers were served, the amount of tips would be about $185
d) To use a regression calculator, we must be given a table with x and y values. Then we insert the values in the calculator so that it can give us the whereabouts of a point and it can give us the trend line. After the trend line is given, we can make a prediction.
Hoped this helped. Sorry that I didn't answer the first part.
Make each denominator rational. In other words, rationalize the denominator.
[tex] \frac{3 + \sqrt{6} }{ \sqrt{6} } = ... \\ = \frac{3 + \sqrt{6} }{ \sqrt{6} } \times \frac{ \sqrt{6} }{ \sqrt{6} } = \frac{3 + ( \sqrt{6} \sqrt{6} ) }{6} \\ = \frac{3 + ( \sqrt{6} {}^{2}) }{6} = \frac{3 + 6}{6} \\ = \frac{9}{6} = \bold{1\frac{1}{2}} [/tex]
Answer:
[tex]\frac{\sqrt6 + 2}{2}[/tex]
Step-by-step explanation:
Hello!
To rationalize the denominator, we want the denominator to be rid of any square root operations.
To do that we have to multiply the whole fraction by the value of the denominator, or multiply it by a Giant 1.
Rationalize:
[tex]\frac{3 + \sqrt6}{\sqrt6}[/tex][tex]\frac{3 + \sqrt 6}{\sqrt6} * \frac{\sqrt6}{\sqrt6}[/tex][tex]\frac{\sqrt6(3 + \sqrt6)}{\sqrt6 * \sqrt 6}[/tex][tex]\frac{3\sqrt6 + 6}{6}[/tex]Simplify:
[tex]\frac{3(\sqrt6 + 2)}{3(2)}[/tex][tex]\frac{\sqrt6 + 2}{2}[/tex]Final expression: [tex]\frac{\sqrt6 + 2}{2}[/tex]
_______________________________________________________
Giant 1A giant one is another term for a fraction that simplifies to 1. To simplify to
one, the fraction's numerator and denominator have to be the same. We
multiplied our expression by √6/√6, which doesn't change the value of the
original expression because we are technically multiplying by 1.
LaToyas mother uses 5.84 pounds of apples to make applesauce.She got them from a bag that weighs 16.3 pounds. How many pounds of apples are there
Answer: There are 10.46 pounds of apples left
Step-by-step explanation:
16.3 - 5.84 = 10.46
PLS HELP ASAP ILL GIVE BRAINLKEST THANKS
Answer:
A number k is less than or equal to 10
I really need help with this please!!
What is the answer to x²+12x+32
Answer:
(x+4)(x+8)
Step-by-step explanation:
Factor x²+12x+32 using the AC method.
Read the statement.
In The Princess and the Goblin, Chapter 9, Curdie feels his way out after getting disoriented in the dark goblin tunnel.
What do the actions described in this statement reveal about Curdie?
He is comfortable with failure.
He stays calm in tense situations.
He enjoys a challenge.
He is ignorant about goblins.
Answer:
He stays calm in tense situations.
Step-by-step explanation:
The actions described in the statement reveal that:
He stays calm in tense situations. Option B
The Princess and the Goblin
Curdie doesn't panic or get paralyzed by terror when he becomes lost in the shadowy goblin tunnel. Instead, he maintains his composure and uses his intuition to find a way out of the difficult and stressful situation.
This character attribute is a sign of someone who can bear pressure and go through challenging situations with clarity and control as seen in this chapter here.
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I need helppp pls ASAP
Answer:
a=6
Step-by-step explanation:
HURRY, I NEED AN ANSWER
(-0.3)(-0.27)
Answer:
what do I need to answer? are those dots on a graph?
Step-by-step explanation:
Answer:
0.081
i did the quiz on mine and it was right
graph the solution set for the inequality x-2/-3 ≤ -5/6
Answer:
x [tex]\leq[/tex] - 3/2 (The graph is the image I attached)
Explanation:
1) Determine the sign of the fraction next to the variable, in this case, it's positive, which turns the equation into : x + 2/3 [tex]\leq[/tex] - 5/6
2) Move the constant to the right so that x is only on one side, this then turns the equation into: x [tex]\leq[/tex] - 5/6 - 2/3
3) Subtract the fractions, and the answer is x [tex]\leq[/tex] -3/2
Could i get some help with these math questions?
4. Rosa Washington spends an average of 20 minutes assembling 1 unit. She works 7 hours per
day. How many units can she assemble in one day?
22.50
65.50
45.75
36.50
a.
b
C.
d.
