Answer:
[tex]m=15[/tex]
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra I
Slope Formula: [tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]Step-by-step explanation:
Step 1: Define
Point (6, 90)
Point (11, 165)
Step 2: Find slope m
Simply plug in the 2 coordinates into the slope formula to find slope m
Substitute [SF]: [tex]m=\frac{165-90}{11-6}[/tex]Subtract: [tex]m=\frac{75}{5}[/tex]Divide: [tex]m=15[/tex]If a car travels 400 m over 80 seconds, how fast is the car traveling?
300 meters per minute: 3600 meters per hour
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Part A: Solve the following equation: 8 + 2(x - 3) = 3x - 3 (2 points)
Part B: Solve the following absolute value equation: |2x + 6| = 8 (4 points)
Part C: Solve the following inequality: -5(x + 1) > 30 (2 points)
Part D: f(x) = 4x - 3. Find f(5) (2 points)
Answer:
Part A) x = -3
Part B) x = 1, x = -7
Part C) x < -7
Part D) 2
Step-by-step explanation:
Part A)
2(x - 3) = 3x - 3
open the parenthesis
2 * x - 2 * 3 = 3x - 3
2x - 6 = 3x - 3
subtract 2x from both sides
2x - 2x - 6 = 3x - 2x - 3
-6 = x - 3
add 3 to both sides
-6 + 3 = x
-3 = x
Part B)
|2x + 6| = 8
split this into two equations:
2x + 6 = 8
&
2x + 6 = -8
2x + 6 = 8
2x = 8-6
2x = 2
x = 1
2x + 6 = -8
2x = -8 - 6
2x = -14
x = -7
Part C)-5(x + 1) > 30
open the parenthesis
-5x - 5 > 30
add 5 to both sides
-5x > 35
divide both sides by -5
x > -7
since you divided by a negative, flip the sign.
x < -7
Part D)
f(x) = 4x - 3
substitute x for 5
5 = 4x - 3
5 + 3 = 4x
8 = 4x
2 = x
1) Rotate the following 180°.
PLEASE HELP!!!!!!!!!!!!!!!!!!
Answer:
C
Step-by-step explanation:
How many four-digit personal identification numbers (PIN) are possible if the PIN cannot begin with a 0 and the PIN
must be an odd number?
a. 5,000
b. 4,500
c. 3,600
d. 500
Answer:
BStep-by-step explanation:
How many four-digit personal identification numbers (PIN) are possible if the PIN cannot begin with a 0 and the PIN must be an odd number?
ANSWER B: 4,500
The number of 4 digit personal identification numbers (PIN) is 4500
What is a PIN?A PIN is a security code that is used for verifying identities
There are 10 numerical digits i.e. 0 - 9
Since the 4 digit personal identification numbers (PIN) cannot begin with 0, then the first character can take any of 9 digits
The other three characters can take any of the 10 digits.
So, the number of PIN is:
PIN = 9 * 10 * 10 * 10/2
Expand
PIN = 4500
Hence, the number of 4 digit personal identification numbers (PIN) is 4500
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The local ice cream shop surveyed the customers to see which flavor of ice cream is most popular 125 people choose chocolate as their favorite which represents 25% of the customers surveyed how many total customers were surveyed A.425 B.20 C.500 D.32
Answer:
500
Step-by-step explanation:
Let there were a total of x number of customers.
As 125customers choose chocolate flavor as their favorite which is 25% of the total customers surveyed, so
25% of x = 125
0.25x=125
x=125/0.25=500
Therefore, the total number of customers surveyed is 500.
If a circle has more than one radius, they are all the same distance from the center to the edge.
True or False
THE ANSWER IS FALSE IM PRETTY SURE
Answer:
True
Step-by-step explanation:
All radii are half of a diameter.
Hesperia Community Center is buying new seating for their building. They want to purchase a combination of stools and chairs. Stools cost $15 and chairs cost $25. The center cannot spend more than $1500. Which inequality represents all possible combinations of s stools and c chairs? 15s+25c<1500 15s+25c≤1500 15c+25s≤1500 15c+25s≥1500
Answer:
15c + 25s ≤ 1500
Step-by-step explanation:
Let the number of stools be s
Let the number of chairs bought be c
If each tools cost $15, s stools will cost $15c
If a chairs cost $25, c chairs will cost $25s
Total costs = 15c + 25s
If the center cannot spend more than $1500, then the required equation will be 15c + 25s ≤ 1500
The inequality sign will be less than and equal to since they cannot spend an amount greater than $1500.
Hence the correct equation is 15c + 25s ≤ 1500
A vanilla cake has a diameter of 8 inches. What is the radius?
Answer:
4
Step-by-step explanation:
d = 8 inches
r = 8/2 = 4 inches
Answer:
4 inches.
Explanation:
If the diameter is a circle, divide the diameter by two and you will have the answer of 4. This gives you the radius.
8 / 2 = 4
Hope this helps. Have a wonderful day.
Given that f(x) = x2 - 2x - 15,
a. Find the coordinates of the y-intercept
b. Find the coordinates of the x-intercepts
c. Find the coordinates of the vertex
d. Use the above information to sketch a graph of f(x)
a) (0; -15)
you just let x be equal to 0.
b) ( -5; 0) and (3;0)
you just let y/ f(x) equal to 0.
c)
Rewrite the expression using properties of exponents:
Given that,
2a + 5b=22
b = 2
Find the value of a.
Answer:
11
Step-by-step explanation:
Answer:
a=5.5 I hope this helped you
Which statement is not always true for a parallelogram?
Answer:
b
Step-by-step explanation:
Answer:
Diagonals are congruent drop a like if you got it right
Step-by-step explanation:
A travel agency is planning for a holiday for
a a group
of people. The agency receives quotations
from two coach companies. Maya Express and
Great Holidays. Maya Express charges $15 for
each person while Great Holidays charges a
fixed amount of $84 and an extra of $12 per
person. If the total amount charged by each
company is the same, find the number of
people going on the holiday.
Answer:
so it 15
Step-by-step explanation:
Help ASAP !
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Answer:
21/40
Step-by-step explanation:
Answer:
0.525 or 21/40. Find the LCM between the denominators which is 40.
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Answer:
4 million a day, 28 million a week, 145,600,000 a year.
Step-by-step explanation:
6 million times 4 is 24 million. Which explains 4 million daily.
4 million times 7 days a week is 28 million weekly.
28 million times 52 weeks a year is 145,600,000.
1. Round each length to the nearest inch.
a) [tex]1 \frac{1}{4} [/tex] ____"
b) [tex] \frac{7}{8} [/tex] ____"
c) [tex]1 \frac{1}{2} [/tex] ____"
d) [tex]2\frac{5}{8} [/tex] ___"
e) [tex]1\frac{5}{16} [/tex] ___"
f) [tex]4\frac{11}{16} [/tex] ___"
2. Round each length to the nearest foot.
a) 10" _____'
b) 2'9" ____'
c) 2'6" ____'
d)2'9" ____'
e)1'2" ____'
f)9'3" ____'
9514 1404 393
Answer:
1. 1, 1, 2, 3, 1, 5
2. 1, 3, 3, 3, 1, 9
Step-by-step explanation:
1. Any fraction of an inch that is 1/2" or more will cause the integer value to increase by 1. Otherwise, the integer value is the one you want. Of course ...
1/2" = 2/4" = 4/8" = 8/16"
a) 1"
b) 1"
c) 2"
d) 3"
e) 1"
f) 5"
__
2. Any inch measure that is 6" or more will cause the integer value to increase by 1. Otherwise, the integer value is the one you want.
a) 1'
b) 3'
c) 3'
d) 3' . . . same as B
e) 1'
f) 9'
What is the slope of the line passing through points (4,6) and (2,3)?
Answer: 3/2
Step-by-step explanation: y2-y1/ x2- x1
Find the Retail Price. Given: Original Price: $60; Markup: 18%
Answer:
$70.80
Step-by-step explanation:
Answer:
$2.88
Step-by-step explanation:
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please help
solve the inequality
Answer:
m<2.5
Step-by-step explanation:
Press on the picture to see the full picture. I’m really stuck
Answer:
D is the answer
Step-by-step explanation:
A filled circle means "or equal to" in which this case the symbol is less than or equal to, making the dot filled. Since 2 is greater than x, the line would start on the two and continue farther down the line to show that anything 2 or greater is more than x.
What is 2,070,000 written in scientific notation?
A.20.7 x 10^6
B.2.07x 10^5
C.2.07x 10^6
D.20.7x10^5
Answer:
C.) 2.07 × 10^6
Hope this helped you!
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The solution is Option C.
The value of the number 2,070,000 written in scientific notation is
A = 2.07 x 10⁶
What is an Equation?
Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the number be represented as A
Now , the value of A is
A = 2,070,000
Now , to write the number in scientific notation ,
Multiply the number 207 with powers of 10
So , the value of A will be
A = 207 x 10⁴
Now , the number 207 can be written as 2.07 x 10²
On simplifying the equation , we get
A = 2.07 x 10² x 10⁴
A = 2.07 x 10²⁺⁴
A = 2.07 x 10⁶
Therefore , the value of A is 2.07 x 10⁶
Hence , the value of the number is 2.07 x 10⁶
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Which two points should the line of best fit go through to best represent the data in the scatterplot?
Answer:
(3,8) and (5,12) in other words C.
Step-by-step explanation:
The freshmen class is going on a field trip.There are 316 people going.six people will be traveling by car and these are five buses.How many people must ride on each bus?
Answer:
Step-by-step explanation:
307 divided by 7 is the number of students in each bus with the remainder 6. As the 6 students cannot be fit into the bus and had to travel by car.
Thus we can conclude that:
307= 7x + 6 (6 extra students)
Take away 6 on both sides
7x = 301
i hope this helps i tried my best
x= 43
There are 43 students on each bus.
Answer:
62 people on each bus
Step-by-step explanation:
316-6=310.
310÷5=62 so there will be 62 people riding on each bus.
What is the area of this triangle?
Answer:
what triangle????????????????????????????
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Answer:
112
Step-by-step explanation:
explain and demonstrate how to turn 4/20 into a percent
Answer:
20%
Step-by-step explanation:
We can start by looking at it as a ratio, so 4 divided by 20 and 4/20 = 0.2, so that would be 20% viewing 1=100%.
Another way is
20 here is 100%, and for 20 to equal 100, we have to multiply it by 5. To balance it out, multiply the top by 5 as well, and 4 * 5 =20. Therefore, 4/20 = 20%
Which expression is equivalent to 6f+8f?
Answer:
6f + 8f is equal to 14f
Answer:
14f
General Formulas and Concepts:
Algebra I
Combining Like TermsStep-by-step explanation:
Step 1: Define Expression
6f + 8f
Step 2: Simplify
Combine like terms: 14fQuestion 3 of 10
What is 9C6?
O A. 96
OB. 10
O C. 56
O D. 84
Whats the value of c? 60 - (3c + 4) = 4(c + 6) + c
Answer:
c=4 hope this helpss
Step-by-step explanation:
Answer and Explanation
__________________________________________________________
The value of "c" is 4.
Here's why.
__________________________________________________________
[tex]60-\left(3\cdot c+4\right)=4\cdot\left(c+6\right)+c[/tex]
What does c equal???
__________________________________________________________
Let's try using all numbers to find out what it is
[tex]60-\left(3\cdot 4+4\right)[/tex] = [tex]44[/tex]
[tex]4\cdot\left(4+6\right)+ 4[/tex] = [tex]44[/tex]
So it's 4!
__________________________________________________________
Hope this helps! <3
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