Which of the following statements is false?
-|-5| = -5
-|5| = -5
-(-5) = 5
|-5| = -5
Answer:
|-5| ≠ -5
Step-by-step explanation:
Lets check each one:
-|-5| = -(5) = -5 Correct
-|5| = -(5) = -5 Correct
-(-5) = 5 Correct
|-5| = 5 Incorrect
Any negative number inside of the absolute value brackets turns positive.
Any positive number inside of the absolute value brackets stays positive.
If my answer is incorrect, pls correct me!
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-Chetan K
the measure of angle ABD is 134 degrees. what is the measure of x? What angle relationship is needed to be solved?
Explanation
The angles ABD and DBC are supplementary since they form a straight line. That means they add to 180 degrees.
(angle ABD) + (angle DBC) = 180
(134) + (2x) = 180
2x = 180-134
2x = 46
x = 46/2
x = 23
Answer: x=23 and the angle relation used was supplementary angles
Step-by-step explanation:
first, you know that angle abd is 134 so you subtract that from 180 and divide it by 2 because angle cbd is 2x and you know they equal 180 because they make a straight line.
Some students recorded how many minutes they spent on the phone in one day. They put the results in a Stem-and-Leaf Plot.
What is the mean number of minutes spent on the phone?
Explanation:
The data from the stem-and-leaf plot is:
10,
24,25,26,
30,30,32,33,
40,45,46
Add up those values
10+24+25+26+30+30+32+33+40+45+46 = 341
Then divide over n = 11 which is the sample size.
341/11 = 31 is the arithmetic mean.
Answer:
341/11 = 31 is the arithmetic mean.
Step-by-step explanation:
20 POINTSSSSSSSSSSSSSSSSSSSSSSSSSS
a data set with more variability has ___ than a data set with less variability
A. a smaller MAD
B. A larger MAD
C. a larger mean
d. a smaller mean
Answer:
B.
Step-by-step explanation:
a smaller variation leads to a bigger MAD i believe
Answer: Your answer is B
A Larger MAD.
Step-by-step explanation:
Hope it helps, Tell me if I'm wrong.
Which of the following statements are true of the algebraic expression 8y2 + 3y + 6? Select all that apply.
6 is a coefficient.
The expression has two variable terms.
8 is a constant.
This expression is the sum of three terms.
Answer:
The correct statements are:
6 is a coefficient.The expression has two variable terms.8 is a constant.This expression is the sum of three terms.Explanation:
The coefficient is the numerical factor that is multiplied by a variable term. In this case, 6 is a coefficient that is associated with a constant term.Variable terms have a variable factor. In this case, the expression has two variable terms (8y^2 and 3y).A constant is a term that has no variable factor. In this case, 8 is a constant term.The expression has three terms: 8y^2, 3y, and 6. The term 8y^2 is a variable term, the term 3y is a variable term, and the term 6 is a constant term.Learn more about Algebraic Equations here:
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A code consists of a single digit number from 0-9 and a letter from the alphabet. What is the probability that the code is 3Z? Write your answer as a fraction in simplest form.
Jill and Kyle get paid per project. Jill is paid a project fee of $45 plus $10 per hour. Kyle is paid a project fee of $20 plus $14 per hour. Write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.
Answer:
65+24h
Step-by-step explanation:
Please Help
I need an answer ASAP
On the coordinate plane, mark all points (x, y) that satisfy each rule. y = 3x − 2
Answer:
(-2,-8)
(-1,-5)
(0,-2)
(1,1)
(2,4)
Step-by-step explanation:
Start with y=0 for starters, make a graph, then plug in the equation 0=3x-2. Then you just multiple 0 by 3 and subtract to then bam, x=-2 and so on
Identify the number that is a multiple of 9.
3
63
33
78
Answer:
63
Step-by-step explanation:
63 - > 3+6 = 9 as 6+3 = 9 then 63 is a multiple of 9
33 - > 3+3 = 6
78 - > 7+8 = 15 -> 1+5 = 6
The number is :
↬ 63Solution:
Let's quickly check what numbers are divisible by 9.
3 can't be evenly divisible by 9.
63 is divisible (according to the multiplication table)
33 isn't divisible by 9 either
78 is no different.
Hence, a multiple of 9 is 63.Quick way to identify multiples of 9 :
If the digits of the number add up to 9, then the number itself is a multiple of 9.
An electrician needs 3 rolls of electrical wire to wire each room in a house. How many rooms can he wire with 3/4 of a roll of wire?
Answer:
He can wire
\( \frac{1}{4} \)
of a room with 3/4 of a roll of wire.
Step-by-step explanation:
We can solve by using proportions.
Let's set it up.
\( \frac{3 \: rolls}{1 \: room} = \frac{ \frac{3}{4} \: of \: a \: roll}{x} \)
We are now going to cross multiply. By cross-multiplting, you would get:
\( \frac{3}{4} = 3x\)
You are now going to divide both numbers by 3 in order to get the x by itself.
\( \frac{ \frac{3}{4} }{3} = \frac{3x}{3} \)
By dividing, you get:
\( \frac{1}{4} = x\)
Therefore, the answer is 1/4.
The number of rooms he can wire with 3/4 of a roll of wire is 1/4.
What are proportions?Proportion, in general, is referred to as a part, share, or number considered in comparative relation to a whole. Proportion definition says that when two ratios are equivalent, they are in proportion. It is an equation or statement used to depict that two ratios or fractions are equal.
Given that, an electrician needs 3 rolls of electrical wire to wire each room in a house.
Let the number of rooms he can wire with 3/4 of a roll of wire be x.
Now, the proportion is
\(\frac{3}{1}=\frac{\frac{3}{4} }{x}\)
3x=3/4
x=1/4
Therefor, number of rooms he can wire is 1/4.
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PLEASE HELP ME ASAP WILL GIVE BRAINLIEST
NEED HELP ASAP Triangle JKL was dilated with the origin as the center of dilation to create triangle J'K'L'. The triangle was dilated using a scale factor of 1/2 Which rule represents the dilation applied to triangle J K L to create its image, triangle J′ K′ L′ ?
Answer:
Step-by-step explanation:
C
Please help! Is 2v+8.3+2v-6.1 equal to 4v+14.4
Is 18a+45 equal to 9(2a+5)
Is 3(a+1.5) equal to 3a+1.5
Answer:
It's unclear what you are asking, so I solved it out. If you are wondering if the variables have an answer, all of them is no solution.
Step-by-step explanation:
2v+8.3+2v-6.1=4v+14.4
4v+14.4
18a+45=9(2a+5)
18a+45=18a+90
3(a+1.5)=3a+1.5
3a+4.5=3a+1.5
PLEASEEEE HELPPPPP
Solve negative a minus eight ninths equals one third for a.
please write a function for the points (1/3,0) (-2 3/4,0) and (0,-5) and explain the steps.
thank you!
The function for the points are y = -15x - 5
How to determine the functionFrom the information given, we have that;
The points are;
(1/3,0) (-2 3/4,0) and (0,-5)
Using the point-slope form of a linear equation, we have;
y - y₁ = m(x - x₁)
Such that;
m is the slope of the liney - y₁ and (x - x₁) are the pointsUsing (1/3, 0) and (0, -5), we have that the slope is;
m = (0 - (-5))/0 -1/3)
expand the bracket
= 5 / (-1/3)
= -15
Now, take any of the given points and substitute the values
Using (1/3, 0), we get;
y - 0 = -15(x - 1/3).
y = -15x - 5.
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The function for the points solved by (1/3,0) (-2 3/4,0) and (0,-5) solved by point slope form is \(a=-15b-5\)
We have given the points:
(1/3,0) (-2 3/4,0) and (0,-5)
Using the formula of linear equation
\(a-\)\(a_{1}\)\(=x[b-b_{1}]\)
Where we will consider (1/3,0) = \(a-a_{1}\) and (0,-5) = \(b-b_{1}\)
that is 1/3 = \(a\), 0 = \(a_{1}\) and
0 = \(b\), -5 = \(b_{1}\)
\(x\) refers to the slope of line (take any variable)
Now for finding the value of \(x\),
\(x=a-a_{1}/b-b_{1}\)
inserting the values,
\(x=[0-[-5]]/[0-1/3]\\x= -15\)
Substitute the value of \(x\) in the equation
\(a-0=-15[b-1/3]\)
By simplifying the equation, we get
\(a=-15b-5\)
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someone help me with this ASAP
Answer:
8/5
Step-by-step explanation:
SHe divides 8 cookies among HERSELF and her 4 friends so 5 people so 8/5
84% of the tickets sold at an amusement park were discount tickets. If the park sold 3,000 tickets in all, how many discount tickets did it sell?
jamaleters
thank you for this
Answer:
The park sold 2,520 discount tickets
Step-by-step explanation:
84% of 3,000 is actually 0.84 x 3,000
0.84 x 3000= 2,520
I'm confused about this!
Answer:
16
Step-by-step explanation:
im presuming 33 own only a fish, and 20 own only a gerbil
so 32/100 pupils own both a fish and gerbil
this can be written as 32% or 0.32 for probabilty
so all u do now is 50 x 0.32
which is 16
Answer: It’s 16
Step-by-step explanation:
help picture provided
Answer:
If I am correct and I understand it its between 40 and 50.
Step-by-step explanation:
Thats because the square is on 40 and ends on 50.
I hope this helped, tell me if something was wrong.
Goodluck!!!!
:D
A slice is made parallel to the base of a right rectangular pyramid.
What is the shape of the resulting two-dimensional cross-section?
Drag and drop the word to correctly complete the sentence.
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
The cross-section is in the shape of a____.
Answer: Triangle
Step-by-step explanation: Becasue here is a picture that shows what is a right rectangular pyramid. If you cut parallel to the base you will just make a smaller triangle.
help need it now.
Use the net to find the surface area of the regular pyramid.
Number only. NO UNITS!
Answer:
40 in.²
Step-by-step explanation:
First, you have to find the area of the triangle, which you then multiply by 4 (because there are 4 triangles):
A=1/2(bh)
A=1/2(3x4)
A=1/2(12)
A=6
6x4=24 in.²
Next, you have to find the area of the square:
A=bh
A=4x4
A=16
Now, add 24 and 16 together to get your answer of 40 in.².
please answer it fast step by step
Answer:
stay safe healthy and happy...Answer:
48/-6 - 8 = -16
Step-by-step explanation:
Create an equivalent expression for 12 ^ −7 • 12 ^ 5
-12 ^ 2
12 ^ 2
1 / (12 ^ -2)
1 / (12 ^ 2)
Answer:
1/(12^2)
Step-by-step explanation:
12^ -7 × 12^5
= 12^-7+5
= 12^5+(-7)
= 12^5-7
= 12^-2
= 1/(12^2)
PLEASE HELP if can
(file below)
Answer: B ,hope it helps!
Pls step-to-step :')
Answer: X = 20
Steps:
↳ First, I read the question, “Figure A is a scale image of Figure B”.
(Scale image = a smaller image of the original)
↳ Then, I divided 12.5 by 10 which was 1.25
↳ After that, I multiplied 1.25 by 16 to get 20.
—————
Please remember to revise this and make it in your own words if you want! I hope this helps you. Please comment if I am wrong! (Please explain why) -Doodle
—————
Determine if the graph shows a proportional relationship.
Graph with x axis labeled distance miles and y axis labeled time hours. A line begins at point 0 comma 0 and continues to the right.
No, it is not proportional because the line does not intersect with the origin.
No, it is not proportional because the x-axis and y-axis are not labeled correctly.
Yes, it is proportional because it is a line that intersects with the origin.
Yes, it is proportional because the x-axis and y-axis are labeled correctly.
Find the slope of the line.
Which of these is the best estimate for 275% of 40 ?
greater than 0 but less than 1
greater than 1 but less than 2
greater than 2 but less than 3
greater than 3
Use pencil and paper. Explain the reasoning behind your choice.
Question content area bottom
Part 1
275% of 40 is :
Answer: 110
Step-by-step explanation: Write 275% as
275
100
Since, finding the fraction of a number is same as multiplying the fraction with the number, we have
275
100
of 40 =
275
100
× 40
Therefore, the answer is 110
If you are using a calculator, simply enter 275÷100×40 which will give you 110 as the answer.
4. At Rory’s school, students must join one after-school club. Based on the data in Graph #2, which club attracted about 30% of students?
A. yearbook
B. art
C. drama
D. hiking
E. running
F. science
5. Approximately What percent of students chose not to join the yearbook club?
A. 15%
B. 30%
C. 75%
D. 85%
E. 90%
6. About what percent of students joined the art club?
A. 30%
B. 25%
C. 20%
D. 15%
E. 5%