Answer:
17(a+b)
Step-by-step explanation:
17 is distributed in the initial equation to both the a and the b
Answer:
17(a+b)
Step-by-step explanation:
Factor out the common term
17a+17b
17(a+b)
For what values of a the following expressions are true: |a|=−a
Answer:
Any negative number and 0 works for the expression.
Step-by-step explanation:
Looking at this type of equation, we know that either EVERY negative number and 0 or EVERY positive number and 0 will work for this equation, since nothing is being added and we're just working with absolutes/negatives.
Let's try a random positive number in the expression
\(|6| = -(6)\\6 \neq -6\)
So this positive number doesn't work, let's just test with another one.
\(|9| = -(9)\\9 \neq -9\)
So we know that positive numbers won't work with this expression.
Let's test 0 quickly, just to make sure.
\(|0| = -0\\0 = 0\)
So 0 works.
Let's try a few negative numbers now.
\(|-5| = -(-5)\\5 = 5\)
So yes, this does work. Let's try one more negative number.
\(|-120| = -(-120)\\120 = 120\)
This works. So, every negative number and 0 work with this equation.
Hope this helped!
Answer:
|a|=−a is true only if a is negative or zero
Step-by-step explanation:
Recall that absolute values are always 0 or positive.
|a|=−a is true only if a is negative or zero.
I'm really confused with all three of these questions.
Examples to help you out: Pb(NO3)2
(multiply the number after the parentheses. The elements values are 1. If the element (letter) has a number (O3) you'll multiply it and it's value will change. Ox3=3.
Pb=1
N=2
O=3
I need help with these problems
Answer:
Step-by-step explanation:
yes mutiply 3x3
Use the equation below to find v, if u=17, a=4, and t=8. 4=u+at
Answer:
This is not a valid equation, as the left-hand side is not equal to the right-hand side.
Therefore, there may be an error in the given equation or values. Please check and provide the correct equation or values, so that we can help you find the value of v.
Step-by-step explanation:
The given equation is:
4 = u + at
where u = 17, a = 4, and t = 8.
Substituting the given values, we get:
4 = 17 + 4(8)
Simplifying the right-hand side:
4 = 17 + 32
Combining like terms:
4 = 49
This is not a valid equation, as the left-hand side is not equal to the right-hand side.
Therefore, there may be an error in the given equation or values. Please check and provide the correct equation or values, so that we can help you find the value of v.
Sanjay went blueberry picking along a 3-mile walking path. He picked blueberries steadily along the walk. When he was finished, he had collected 50 ounces of blueberries.
How many ounces of blueberries did Sanjay pick each mile?
Write your answer as a proper fraction or mixed number.
Answer:
16 2/3 per a mile
Step-by-step explanation:
50 ounces of blueberries/3 miles = 16.666 repeated
16.666 repeated = 16 2/3 ounces/mile
Answer: Sanjay picked 16.66 ounces each mile
Step-by-step explanation:
For this exercise let "x" represents the amount of ounces of blueberries that Sanjay picked each mile, along the 3-mile walking path.
According to the information given in the exercise, you know that Sanjay picked a total amount of 50 ounces of blueberries along the walking path.
Then, knowing that the length of that walking path is 3 miles, you can set up the following proportion:
\(\frac{3}{50} = \frac{1}{x}\)
Now, the next step is to solve for "x" in order to find its value.
You get that this is:
\((x)(\frac{3}{50} )=1\\\\x=(1)(\frac{3}{50} )\\\\x=16.66\)
Therefore, knowing the value of "x", you can conclude that Sanjay picked 16.66 ounces of blueberries each mile.
16.66 = 16 2/3
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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What is 68/4+3- -3 help
Answer:
The answer is 23
Step-by-step explanation:
First, you need to divide 68 and 4, which will give you 17. Then, add 3. which will give you 20. Then add negative 3 and you should get 23.
Thank me later :)
Answer: 23
Step-by-step explanation: This is because 68 divided by 4 is 17 plus 3 which is 20 and the two negatives make the other 3 positive so add three and you get 23.
Help!!
Use the diagram of the equilateral triangle shown below to answer the following questions. Show the work that leads to your answers. a. What is the perimeter of the triangle? b. What is the height, ℎ mm, of the equilateral triangle? Write an exact answer using a square root and an approximate answer rounded to the tenths place.
Answer:
Perimeter is 12mm, height is \(2\sqrt3\)mm in simplest radical form, and 3.5mm in approximate decimal form.
Step-by-step explanation:
The perimeter is easy; since it's an equilateral triangle, all sides are the same length of 4, so you can just do 3*4 (3 sides, 4mm each) to get a perimeter of 12.
For the height, you can see that it forms two right triangles, each with a given base of 2 and a hypotenuse of 4. We can apply the pythagorean theorem (\(a^2+b^2=c^2\)) here to find the missing leg length of the smaller right triangles, which is equal to the big triangle's height.
I've enclosed an attachment for that.
Hope this helps!
The original cost of a Tesla at the highest end of cost was $120,000. The new model of 2021 is set to cost around $50,000. What is the approximate percent decrease rounded to the nearest whole?
Answer:
58%
Step-by-step explanation:
it went down by 70000, so the percent of decrease is 58.3333, which is 58% rounded
The spinner is spun 240 times. What is a reasonable prediction
of it landing on a number less than 3?
Answer:
60 times
Step-by-step explanation:
2/8 pieces of the circle are less than three
2/8 = 25% chance of landing less than 3
240 * 25% = 60
I need some help for this and the graph won’t let you use decimals as the answer. Tip: 1/3 = 0.3
.
Answer:
\(\large\begin{array}{|c|c|}\cline{1-2}x&y\\\cline{1-2}6&2\\\cline{1-2}12&4\\\cline{1-2}18&6\\\cline{1-2}\end{array}\)
See attachment for the graph of the equation.
Step-by-step explanation:
Given equation:
\(y=\dfrac{1}{3}x\)
To complete the table, find the corresponding values of y by substituting each given value of x into the equation.
\(x=6 \implies y=\dfrac{1}{3}(6)=\dfrac{6}{3}=2\)
\(x=12 \implies y=\dfrac{1}{3}(12)=\dfrac{12}{3}=4\)
\(x=18 \implies y=\dfrac{1}{3}(18)=\dfrac{18}{3}=6\)
Therefore the completed table is:
\(\large\begin{array}{|c|c|}\cline{1-2}x&y\\\cline{1-2}6&2\\\cline{1-2}12&4\\\cline{1-2}18&6\\\cline{1-2}\end{array}\)
To graph the equation, plot the ordered pairs on the given coordinate plane:
(6, 2)(12, 4)(18, 6)Draw a straight line through the points. (See attachment).
ANSWER FAST I DON'T UNDERSTAND?
Answer:
Step-by-step explanation:
I would ask my teacher for help if no, then it seems like you would mark a line in the numbers line or smth just giving you an idea sorry if this never helped :(
Help
During a 20% off sale, the sale price of a microwave was $60. The sale has expired but Kristen has a coupon good for 15% off the regular price of any one item. How much will Kristen pay for the microwave before tax? Round to the nearest cent.
Answer:
it would take 9 dollar OFF!! so subtracted by 60 your welcome!!
(its 51 just saying.)
Step-by-step explanation:
please help I don't get it
13 POINTS !!
Answer:
114
Step-by-step explanation:
-3 + 6x. Which expression shows the correct factorization?
Here are the ones to pick from
1. -2 + -2 +6 +x
2. 6(-2 +x)
3. 6(-2 +x)
4. -3 (1 - 2x)
Answer:
Option #4
Step-by-step explanation:
Expand option #4
=-3(1-2x)
=-3 -2x*-3
=-3+6x which is what your original equation was.
What is -5/7 divided by -1/3 in simplest fraction form? Thanks!
Answer:
15/7
Step-by-step explanation:
To divide -5/7 by -1/3, invert the divisor (-1/3) and multiply:
-5 3 -15
----- * ----- = -------- = 15/7
7 -1 -7
The solution in simplest fraction form is, - 5/7
We have to give that,
-5/7 divided by -1/3
Now, We can divide it as,
-5/7 divided by -1/3
(- 5/7) ÷ (- 1/3)
(- 5/7) × (- 3/1)
(5 × 3)/ 7
15/7
Therefore, The solution is, 15/7
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Which situation can be modeled by the inequality 3x+7<13?
Amelia can fit fewer than 13 textbooks in her school locker. She already has 7 textbooks in her locker. How many more textbooks can Amelia add to her locker?
Jake has less than $13 to spend on a taxi ride. The taxi company charges a $3 flat fee and $7 for each mile. How many miles can Jake ride in a taxi?
Larissa has fewer than 13 game tokens. The games at the arcade each require 3 tokens to play. How many games can Larissa play at the arcade?
Gabriel has less than $13 to spend on a floral arrangement. The florist charges $7 for a base floral arrangement and $3 for each additional flower. How many additional flowers can Gabriel buy?
Answer:
The last option.
Step-by-step explanation:
Less than 13
7 is $7
3x is $3 each additional flower
How did you decide where to place your line of best fit? Describe your reasoning.
Based on your data, describe the relationship between age and the number of U.S. states a person can name in 60 seconds.
Do you see any areas in your data or points that could be considered clusters or outliers? Explain your answer in complete sentences.
Trolls will be reported
Answer:So I don’t know the other 5 points because you didn’t give the data about the age and number of US states named in 60 seconds, but using the 5coordinate points you gave, I was able to make this line of best fit.
So basically the units are counting up by 5.
The x axis is age in years and y axis is the number of US states named in 60 seconds.
Since you didn’t give me the data to make the other 5 points, I can’t really answer the last question, but from the graph that I did make, there are no points that would be considered outliers, and there are no clusters in sight.
(BTW THIS IS IMPORTANT!! - when you use the data to add the other 5 points, there might be an outlier or more then one outlier. And there might be a cluster. Just look at it after you graph the last 5 and change the answer I gave you if there is an outlier or cluster)
Step-by-step explanation:
A coach calculated the mean and the mode of the number of points scored by 6 players.
• mean: 7 points
mode: 8 points
How many points did player 5 score?
Write an inequality that compares one of the fractions to one of the decimals. Then explain how the number line helps you decide which number is greater.
HELPPPPPP meeeeeeeeeeeeeeeeeeeeeeeeeee
Need help for both questions! Please explain your work for both
Answer:
2:2255 3:43
Step-by-step explanation:
Use the measurements to determine the other numbers
Solve the equation.
25.14 = d + (-15.3)
0 40.44
0 -9.84
O 9.84
-40.44
Answer:
d = 40.44
Step-by-step explanation:
Simplifying
25.14 = d + (-15.3)
25.14 = d + -15.3
Reorder the terms:
25.14 = -15.3 + d
Solving
25.14 = -15.3 + d
Solving for variable 'd'.
Move all terms containing d to the left, all other terms to the right.
Add '-1d' to each side of the equation.
25.14 + -1d = -15.3 + d + -1d
Combine like terms: d + -1d = 0
25.14 + -1d = -15.3 + 0
25.14 + -1d = -15.3
Add '-25.14' to each side of the equation.
25.14 + -25.14 + -1d = -15.3 + -25.14
Combine like terms: 25.14 + -25.14 = 0.00
0.00 + -1d = -15.3 + -25.14
-1d = -15.3 + -25.14
Combine like terms: -15.3 + -25.14 = -40.44
-1d = -40.44
Divide each side by '-1'.
d = 40.44
Simplifying
d = 40.44
Answer:
40.44
Step-by-step explanation:
math
(2005*40)/5
(ice melody)
Answer:
Well:
2005 times 40 = 80200
And:
80200/5 = 16040
So:
Answer is 16040!
Step-by-step explanation:
Hope it helps! =D
The box plots show the weights, in pounds, of the dogs in two different animal shelters.
Weights of Dogs in Shelter A
2 box plots. The number line goes from 6 to 30. For the weights of dogs in shelter A, the whiskers range from 8 to 30, and the box ranges from 17 to 28. A line divides the box at 21. For shelter B, the whiskers range from 10 to 28, and the box ranges from 16 to 20. A line divides the box at 18.
Weights of Dogs in Shelter B
Which describes the spread of the data in the two box plots?
The data in shelter A show more spread than the data in shelter B.
The data in shelter B show more spread than the data in shelter A.
The data in shelter A range from about 17 to 28, while the data in shelter B range from about 16 to 20.
The data in shelter A range from about 21 to 28, while the data in shelter B range from about 18 to 20.
Answer:
The data in shelter A shows more spread than the data in shelter B
-And-
The data in shelter A range from about 17 to 28, while the data in shelter B range from about 16 to 20
For the range/span you look at where the actual box lies and for the spread use the whisker span.
What is the probability of picking a blue marble and rolling a 2?
Write your answer as a fraction in simplest form.
Answer:
Step-by-step explanation:
You would multiply it by 2 because you would get 2 marbles.
Answer: You would multiply it by 2 because you would get 2 marbles.
Step-by-step explanation:
it will work
I need help I'm confused
PLZ help me if your question is good enough i will give you branliest
HELP PLSS
13/16 ÷ N = 2 1/6
What is n?
A:4/9
B: 3/8
C. 4/7
D.5/8
EXPLAIN
Answer:
N = 3/8 (Answer B)
Step-by-step explanation:
Here we need to isolate the variable N. Rewriting 2 1/6 as the equivalent 13/6, we get:
13/16 ÷ N = 2 1/6 = 13/6.
Then 13/16 ÷ N = 13/6, or
(13/16) 13
---------- = ------
N 6
Dividing both sides by 13, we get:
(1/16) 1
---------- = ------
N 6
Cross-multipying results in 6/16 = N.
Reducing this, we obtain the solution, N = 3/8 (Answer B)
PLEASE ASAP HURRY!!!
Answer:
Strawberry= 3
Watermelon=3
Coconut=9
Orange=5
Step-by-step explanation:
Quite easy, you can use substitution
First look at the simplest row that can be solved by itself
row 2:
2strawberries +4 = 10
2 strawberries= 6
1 strawberry = 3
Row 3: Strawberry(3)+ orange=8
1 orange= 5
Rpw 4: 14= 1coconut +orange(5)
1 coconut= 9
Row 1: Coconut(9)+ watermelon+ coconut(9)= 21
2 coconut(18)= 21
1 watermelon = 3
Each side of a square classroom is 8 yards long. The school wants to replace the carpet in the classroom with new carpet that costs $56.05 per square yard. How much will the new carpet cost?
Answer:
$448.4
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