Answer:
[tex]b.)31\neq -22[/tex]
Step-by-step explanation:
Simplify each equation using PEMDAS:
Parentheses (x)
Exponents x²
Multiplication and Division, left to right × ÷
Addition and Subtraction, left to right - +
It is also important to follow PEMDAS when working within grouping symbols like parentheses.
Also, remember that two negatives make a positive, and when a negative and positive are multiplied, the result is always negative.
[tex](-2)(8+6+-3)\\\\-2*(8+6-3)\\\\-2*(14-3)\\\\-2*11\\\\-22[/tex]
Find which answer is not equal to -22.
a.) [tex](-2)(8+6)+(-2)(-3)\\\\-2*(8+6)-2*-3\\\\-2*14-2*-3\\\\-28-2*-3\\\\-28+6\\\\-22[/tex]
---------------------------------------------------
b.) [tex](-2)*(8+6)+(-3)\\\\-2*(8+6)-3\\\\-2*14-3\\\\-28-3\\\\-31[/tex]
---------------------------------------------------
c.) [tex](-2)(8)+(-2)(6)+(-2)(-3)\\\\-2*8-2*6-2*-3\\\\-16-2*6-2*-3\\\\-16-12-2*-3\\\\-16-12+6\\\\-28+6\\\\-22[/tex]
---------------------------------------------------
d.) [tex](-2)(8)+(-2)(6+-3)\\\\-2*8-2*(6-3)\\\\-2*8-2*3\\\\-16-2*3\\\\-16-6\\\\-22[/tex]
---------------------------------------------------
Option b is not equal to -22.
:Done
Which option correctly shows how this formula can be rearranged to isolate x^2?
Options in picture.
Answer:
A
Step-by-step explanation:
We have:
[tex]\displaystyle m=\frac{x_1-x_2}{y_1-y_2}[/tex]
And we want to isolate x₂.
So, let’s first remove the denominator by multiplying both sides by it:
[tex]\displaystyle m(y_1-y_2)=\frac{x_1-x_2}{y_1-y_2}(y_1-y_2)[/tex]
The right side will cancel. This will leave:
[tex]\displaystyle m(y_1-y_2)=x_1-x_2[/tex]
Now, we can subtract x₁ from both sides. So:
[tex]\displaystyle m(y_1-y_2)-x_1=-x_2[/tex]
Finally, we will multiply both sides by -1. So:
[tex]\displaystyle x_2=-m(y_1-y_2)+x_1[/tex]
Hence, our answer is A.
Answer PLEASE ASAP
question on the image.
Answer:
The answer is DF
Step-by-step explanation:
The opposite side is 4 or EF, so the ADJACENT side would be 3 or DF according to SOH CAH TOA.
What's 7.778 to the nearest hundred
Answer:
7.78
Step-by-step explanation:
Answer:
The answer is 7.78
Step-by-step explanation:
I had this on a test and got it correct
MARK THE BRAINLIEST PLEASEEE
I will try to give the first one Brainlyest plz answer
Answer:
B
Step-by-step explanation:
Daniel has $125 in his bank account. He saves $40 each week from his allowance. He needs a total of $600 in order to buy a PS5. Complete the equation, and determine how many weeks it will take him to save up enough money.
[tex] \LARGE{ \underline{\underline{ \tt{Required \: answer:}}}}[/tex]
We have,
Initial amount = $125 (Constant)Per week savings = $40Amount to be collected for buying a PS5 = $600What to do?
We need to frame an equation with variable determining the no. of weeks it will take him to save up the money.Here's how to do?
Let the no. of weeks be x. Then,
Amount collected by savings = $40x
So, The equation will be:
➝ 125 + 40x = 600
Note:
Don't forget to add the unit i.e. dollars '$' here.What is the value of X
Answer:
x=6
Step-by-step explanation:
1) you set 16x+9 equal to 105
2) then you solve! 16x+9=105 --> 16x=105-9 --> 16x=96 --> x=96/16 --> x=6
What is the binary number for 22
Answer:
I believe it is 10110
Step-by-step explanation:
hope this helps
Rachel has $1,800 to spend on renting a venue for a party. The available locations to rent for the party cost between $660 and $2,500. This cost includes a base cost, plus a set-up fee that is one-fifteenth of the base cost. The total cost can be modeled by the function shown below, where c represents the base cost of renting a venue.
f(c)=c+1/5c
State the domain of values that represents the base cost for the venues Rachel can afford.
Answer:
618.75 to 1687.50
Step-by-step explanation:
Please answer correctly !!!!!!!!!!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!!!!!!!!
Answer:
X+123°=180°(BEING DUM OF CO INTEROIOR ANGLES IS EQUAL TO 180°)
X=180°-123°
X=57°
Hi!
x = 57 degrees.
Explanation:
There is a straight line, so that must mean there is a linear pair. We know the first part of that pair is 123 degrees. The linear pair adds up to 180 degrees. Subtract 123 from 180 to get 57.
That angle and x are alternate interior angles, so they are equivalent.
Mr. Randall, a salesperson, earns a weekly salary of $300 plus a commission of 7% of
his weekly sales of merchandise. Last week, Mr. Randall earned $426. This can be
represented by the equation below, where s represents his total sales, in dollars, for
the week.
$300 + $0.07s = $426
How many dollars worth of merchandise did Mr. Randall sell last week?
Answer:
-3
Step-by-step explanation:
Based on his weekly salary and commission, we can calculate that Mr. Randall sold goods worth $1,800.
In the formula given, sales is represented as s. To find the total sales, you can solve the equation:
300 + 0.07s = 426
0.07s = 426 - 300
s = 126 / 0.07
= $1,800
In conclusion, Mr. Randall sold $1,800 worth of goods.
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X 2.2.PS-15
Challenge The price of Stock A at 9 A.m. was $12.96. Since then, the price has been increasing at the
rate of $0.11 each hour. At noon the price of Stock B was $13.46. It begins to decrease at the rate of
$0.12 each hour. If the two rates continue, in how many hours will the prices of the two stocks be the
same?
In how many hours will the prices of birch stocks be the same?
Answer:
$6.36 would be your answer￣へ￣
Answer: 0.56 round to the nearest tenths which is 6. So, it’s $6
Step-by-step explanation:
GUYS HELP ME WITH THIS!!! 13 POINTS AND BRAINLY!! MAKE SURE TO DO STEP BY STEP!!! PLEASEE AND THANK U!!!
Answer: It will take three weeks for them both to have the same amount of money saved.
Step-by-step explanation:
35 + 15x = 5 + 25x
30 + 15x = 25x
30 = 10x
3 = x
Question 2 (Multiple Choice Worth 4 points)
In which expression should the exponents be multiplied?
6
0 0
o
99
94
073.78
O (26)-5
Answer:
No pic or question.
Step-by-step explanation:
When the arrow is spun, there are four possible numbers the arrow can land on: 1, 2, 3, and 4. The spinners are each spun once. What is the probabilty of an even number on the first spinner and a 3 on the second spinner?
Answer:
The probability is 1/8
Step-by-step explanation:
There are two spinners here, total result on each of the two is 4
Probability of even number of the first
The even numbers are 2 and 4
Probability of an even number is 2/4 = 1/2
For the second spinner
Probability of having a 3 on the second spinner is 1/4
So the probability of an even number on the first and a 3 on the second spinner will be;
1/2 * 1/4 = 1/8
Which of the following relations has a domain of {-4, -2, 1}?
Group of answer choices
{(1, 2), (-2, 3), (4, 6)}
{(1, 2), (-2, 2), (-2, 4), (-4, 4)}
None of the other answers are correct
{(-1, 2), (4, 3), (-2, 6), (-2, 3)}
{(1, 2), (-2, 2), (-2, 4), (4, -4)}
Answer:
{(1, 2), (-2, 2), (-2, 4), (-4, 4)}
Step-by-step explanation:
Plz mark as Brainliest!
Find the slope and y-intercept for the table.
slope:
y-intercept:
Answer: 5 y=5
x=3
Step-by-step explanation:
a) 3√ -1 =
b) 3√ 216 =
c) 3√ -0,008 =
d) 3√127=
e) 3√ -0,064 =
f) 3√ 338=
Answer:
you can download photo math to help you to solve this questions
simplify this expression: 54 + 31 + 7n by the power of 2 - n by the power of 2
Answer:
6n² +85
Step-by-step explanation:
Changes made to your input should not affect the solution:
(1): "n2" was replaced by "n^2". 1 more similar replacement(s).
(85 + 7n²) - n²
I need help on photo above please!!!
A certain stock has grown continuously from 1980 to 2015. A $10,000 investment in the stock in 1980 would be worth $3,500,000 in 2015. Find the stock's average annual growth rate during this period. Round to the nearest percent.
If a certain stock has grown continuously from 1980 to 2015, for this period of time its average annual growth rate is 18%.
It is given that A certain stock has grown continuously from 1980 to 2015.
Stock's initial value in 1980 (I) = $10,000
Stock's final value in 2015 (F) = $3,500,000
time period t = 2015-1980 = 35 years.
Since, the stock has grown continuously, it should have grown compounded annually.
Stock's average annual growth rate (r) is calculated as:
[tex]\text{r} = {(\dfrac{F}{I})^{\frac{1}{t}}-1[/tex]
Substitute all the given values in the above formula:
[tex]\text{r} ={ (\dfrac{3500000}{10000})^{\frac{1}{35}}-1[/tex]
[tex]\text{r} = {(350})^{\frac{1}{35}}-1[/tex]
[tex]r = (350)^{0.02857142857}-1[/tex]
[tex]r=1.18219102629-1[/tex]
[tex]r=0.18219102629[/tex]
[tex]r=0.18[/tex]
[tex]r\approx 18\%[/tex]
Hence, stock's average annual growth rate during the period of 35 years is 18%.
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-6 < -2h + 14 solve for h
Answer:
10 is more than h
Step-by-step explanation:
sub 14 add to 6 divid by two switch signs and poof
Answer:
10>h
Step-by-step explanation:
-6< -2h+14
-6-14<-2h
-20<-2h
-2 <-2 when you divide by a negative number you must reverse the
10>h inequality sign
Helps me solve this problem please
Answer:
0
Step-by-step explanation:
Since it is a flat, horizontal line, it has a slope of 0.
If the line was straight up and down, it would be undefined.
Justin is ordering 5 identical sandwiches and a bag of chips. The bag of chips cost $1.25 and the entire order costs $38.75. Which equation can be used to find the price of a sandwich, s?
Answer:
5S +1.25 = 38.75
Step-by-step explanation:
5 S = 5 sandwich cost
+ 1.25 = chip cost
answer of s is
S = 7.50
someone help I’ll give Brainlist
Answer:
-8/9z - 3
Step-by-step explanation:
Answer:
(-8/9)z-3=(blank)
Step-by-step explanation:
((5/9)-(6/9)-(7/9))z+3-6= (-8/9)z-3
you get -8/9 by taking 5 and subtracting the 6 and 7 from it since they have the same denominators
Help meeeeeeee!!!!!!!!!!’n
Answer:
A.
Step-by-step explanation:
Answer:
A. 5 adult tickets and 15 children tickets
Step-by-step explanation:
In chemistry class, Bob recorded the volume of a liquid as 17.7 mL. The actual volume was 17.1 mL. Use the formula to find percent error of Bob's measurement to the nearest tenth of a percent.
Percent Error =
|Experimental Value − Actual Value|
Actual Value
× 100
A pitcher can hold 5.2 liters of water. How many 0.4 liter glasses of water can be poured from the pitcher?
10
11
13
5
The graph of f(x) = 7^x is stretched vertically by a factor of five. Which of the following is the equation of the new graph, g(x)?
A.
g(x) = 5^(7x)
B.
g(x) = 7(5^x)
C.
g(x) = 7^(5x)
D.
g(x) = 5(7^x)
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[tex]g(x) = 5( {7}^{x} )[/tex]
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The correct answer is (( D )) .
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The Graph transformation of [tex]f(x) = 7^x[/tex] which stretched vertically by a factor of five is [tex]g(x) = 5(7^x)[/tex] .
What is graph transformation?Graph transformation is the process by which an existing graph, or graphed equation, is modified to produce a variation of the proceeding graph .
According to the question
The graph of [tex]f(x) = 7^x[/tex] stretched vertically by a factor of five .
i.e
we have to make change is graph equation so y axis changes 5 times .
Therefore ,
[tex]f(x) =( 7^x ) * 5[/tex]
The Graph transformation of f(x) is
[tex]g(x) = 5(7^x)[/tex]
Hence, the Graph transformation of [tex]f(x) = 7^x[/tex] which stretched vertically by a factor of five is [tex]g(x) = 5(7^x)[/tex]
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Write an equation of the line that passes through the given point and is (a) parallel and (b) perpendicular to the given line.
a. y=
b. y=
I really need this pls
Answer:
Step-by-step explanation:
ummm so it doesnt have a y axis...
i think it should be
y=4x which is the parallel
and y= -1/4x which is perpendicular, it doesnt really pass through (4,3) so ot sure what ur teacher wants really
Which expression represents the factored form of 6x2-13-5 ?
Answer:
For the quadratic trinomial the following formula
, where are trinomial roots, holds.
1. For trinomial find the roots
2. The factoring form is
Answer: correct option is B.
Step-by-step explanation:
Answer:
(2x - 5)(3x + 1)
Step-by-step explanation:
Do you mean 6x^2 - 13x - 5?
6x^2 factors into 6x, x or 3x, 2x
-5 factors into -1, 5 or -5, 1
Use combinations of the factors until you get the correct trinomial.
6x^2 - 13x - 5 = (2x - 5)(3x + 1)