Answer:
-15
Step-by-step explanation:
a = 3 and b = -6.
- 3a + b
Substitute for a and b
adding negatives is subtracting
-3(3) - 6
Multiply
-9 - 6
add
-15
Find the slope of the line that passes through the following points E (4, 1 2/3) and F (-2,2/3)
Answer:
1/6
Step-by-step explanation:
To find the slope, we use the slope formula
m = ( y2-y1)/(x2-x1)
m = ( 2/3 - 1 2/3)/(-2 -4)
= -1/-6
= 1/6
Determine the smallest integer value of x in the solution of the following inequality.
5x + 3 > 10
Answer:
5x = 10 - 3
x = 7/5
but 5x +3 has to be greater than 10 so x has to be greater than 7/5
so x = 2
The axis of symmetry for a function in the form f(x) = x2 + 4x − 5 is x = −2. What are the coordinates of the vertex of the graph?
(−9, −2)
(−17, −2)
(−2, −17)
(−2, −9)
Answer:
D) [tex](-2,-9)[/tex]
Step-by-step explanation:
Vertex Form of a Vertical Parabola:
[tex]y=a(x-h)^2+k[/tex]
Vertex -> [tex](h,k)[/tex]
Axis of Symmetry -> [tex]x=h[/tex]
Vertical Scale Factor -> [tex]a[/tex]
To turn [tex]f(x)=x^2+4x-5[/tex] into vertex form, we need to complete the square on the right sideTherefore, if [tex]f(x)=0[/tex], then [tex]0+9=x^2+4x-5+9[/tex] completes the square on the right side This becomes [tex]9=(x+2)^2[/tex]This means that our function in vertex form is [tex]f(x)=(x+2)^2-9[/tex]Therefore, the vertex of the graph is [tex](h,k)=(-2,-9)[/tex].
The coordinates of the vertex of the graph is (-2, -9).
What are Quadratic Functions?Quadratic functions are polynomial functions consisting of variables and exponents and the degree of the variable is 2.
The general form of a quadratic function is f(x) = ax² + b x + c.
Given is a quadratic function,
x² + 4x - 5
Given that axis of symmetry of the function is x = -2.
So the x coordinate of the vertex = -2.
y coordinates = f(-2) = 4 - 8 - 5 = -9
Hence the vertex is (-2, -9).
Learn more about Vertex form here :
https://brainly.com/question/13921516
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Help I’ll mark as brainliest!!
Answer:
8
Step-by-step explanation:
Your welcome! :)
Good Luck!
Can I get help ?!:) pleasee
Answer:
9, not 54
Step-by-step explanation:
2/3 an also be 6/9 and 1/9
Answer:
18
Step-by-step explanation:
The LCM of 6 and 9 is 18
Then the least common denominator is 18
Which of the following will result in a rational number? Select all that apply.
A. 645+9√4
B. 645−5√7
C. 645×9√4
D. 645÷5√7
help me please
Answer:
B. 645−5√7
Correct me if iam wrong
Evaluate yx^y - xy^x for x = 1/2 and y=4.
A: -3/4
B: -1/2
C: 1/4
D: 3/4
Answer:
b
Step-by-step explanation:
Pls help quicky! I will also give a brainliest!!!!!
Answer:
A) 7.12
Step-by-step explanation:
Simply, subtract 10.52 by 3.4 to get your answer or plug in each answer until you get 10.52
Hope this helps, good luck! :)
A=(a+b)h
Work out the value of h when A = 38.64, a = 5.5 and b = 3.7.
Answer:
h = 8.4
Step-by-step explanation:
38.64 = [tex]\frac{(5.5+3.7)h}{2}[/tex]
38.64(2) = 9.2h
77.28 = 9.2h
h = 77.28/9.2
h = 8.4
The scale factor of the enlarged image of a bug is 1:0.125. The diagram measures 16mm, what is the actual length
Answer:
it is 2mm long
Step-by-step explanation:
16x0.125=2 so it is 2mm long
How much should be added to 58.4 to makes 400?
Answer:
341.6
Step-by-step explanation:
400-58.4=341.6
SIMPLIFY USING THE DISTRIBUTIVE PROPERTY OF RATIONAL NUMBERS
1/5+ (2/5+3/5)
Answer:
6/5
Step-by-step explanation:
1/5 + (2/5 + 3/5)
solve for the bracket first
1/5 +(2+3/5)
1/5 + (5/5)
1/5 + 1
1+1*5/5
6/5
another method
1/5 + (2/5 +3/5)
open brackets)
1/5 + 2/5 + 3/5
since their denominator are same u can add their numerator
1+2+3/5
6/5
can someone please help me?
plz i REALLY need help. explain ur answer
Answer:
#16f(x) = 3(x² + 2),the y -intercept is:
f(0) = 3(0 + 2) = 6The y-intercept of h(x) is
-6 (from table)Correct choice is M
#17
Number of students who will not eat food served at school is 47,
total number of students is 410
Required probability is:
P = 47/410*100% = 11.46%Which statement is true? A.|-2.5|>|-3|
B: |-2.5|<|-3| C: |-2.5|=|-3|
Answer:
b.
Step-by-step explanation:
|-2.5|<|-3|
l -2.5 l = 2.5
l -3 l = 3
2.5 < 3
Hello there, could you please help me? Thank you
Answer:
24
Step-by-step explanation:
Segment AC is 1/2 of segment AB so 12+12=24
Hope this helps
This is just for people to get points!! Whats 10 x 10?
Answer:
is equls to 100 Brainliest 6
How do you find the equations of the vertical and horizontal asymptotes for a graph when you only have the graph and no function?
Answer:
See below for answer and explanations (as well as an attached graph)
Step-by-step explanation:
Pay attention to the behavior of the asymptotes. If the asymptotes are approaching a certain x-value or y-value, then that value is undefined for the function.
Take for example [tex]y=\frac{1}{x}[/tex]:
As x approaches ∞ and -∞, then y approaches 0, which is our horizontal asymptoteAs y approaches ∞ and -∞, then x approaches 0, which is our vertical asymptoteSee the graph for a visual.
A town of 8660 people is expected to grow by 5% next year. What is the (total) expected population of the town next year?
Answer:
9093
Step-by-step explanation:
5÷100×8660=433
8660+433=9093
Hope this helps
Using percentage, the expected population of the town next year is 9093 people.
What is percentage?Percentage is defined as a given part or amount in every hundred.
Current population = 8660 people
Expected population next year = [tex]8660 + \frac{5}{100}*8660 = 8660 + 433 = 9093[/tex] people.
Learn more about percentage here
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Find the side length, b.
Round to the nearest tenth.
B=90°
a=6
c=7
Answer:
b = 9.2
Step-by-step explanation:
Using the Pythagorean theorem (in your case): [tex]a^{2} +c^{2} = b^{2}[/tex]
Plug in your values and solve for x:
[tex]6^{2}+7^{2} =b^{2}\\36+49 =b^{2} \\85 = b^{2} \\b = \sqrt{85} \\b = 9.2[/tex]
What is the atmospheric pressure?
a. 4.7 pounds per square inch
b. 13.2 pounds per square inch
c. 1.7 pounds per square inch
d. 14.7 pounds per square inch
Answer:
D
Step-by-step explanation:
The atmospheric pressure is about 101325Pa.
Pascal is a unit for pressure and since pressure can be defined as force/ area, the pressure can also be written as 101325 N/m².
1 m² ----- 101325 N
Pounds is a unit for mass, so let's relate force (Newtons) to mass.
[tex]\boxed{F = ma}[/tex]
☆ where F= force, m= mass and a= acceleration due to gravity
Since the gravitational field strength is about 9.8 N/kg on earth, a= 9.8.
101325= m(9.8)
m= 10339 Kg (5 s.f.)
Since 1 kg is about 2.205 pounds,
m
= (10339 ×2.205) pounds
= 22797.495 pounds
= 22797 pound (5 s.f.)
1 m² ----- 22797 pounds
Now convert m² to in².
1 m² is about 1550 in², thus
1550 in² ----- 22797 pounds
1550 in² ----- 22797 pounds
1 in²----- 22797 ÷1550
1 in² ----- 14.708 pounds (5 s.f.)
1 in² ----- 14.7 pounds (3 s.f.)
Thus, 1 atm≈ 14.7 pounds per square inch.
Answer:
d. 14.7
Step-by-step explanation:
A cell phone company dropped the price by 7%. Which expression shows the new price of the phones(p)? A 0.07p B p-1.07 C p-0.07 D p-0.07p E 0.93p
Answer:
option D
Step-by-step explanation:
Let the price be p
7% of price = 0.07p
Price after decrease = p - 0.07p
PLEASE ANSWER FAST 60 PTS
Answer:
Dude I can't read that are you trying to solve for x?
Step-by-step explanation:
Answer:
x = 15
Step-by-step explanation:
Solve for y.
-24 = -8y
Simply your answer as much as possible.
Answer:
Y=3
Step-by-step explanation:
-8 times 3 equals -24
Answer:
y = -3
Step-by-step explanation:
-24 = 8y
Divide both side by 8
-24/8 = 8y/8
-24/8 = y
divide -24 by 8 to get -3
-3 = y
rewrite ..( optional )
y = -3
Someone PLEASE help FAST, I'm almost out of time for this question, and I really need the answer!! I'll give brainliest for good answers.
Answer:
B. Table B
Step-by-step explanation:
It is
Let r(x)=x^2.If r(x)=4,find x
A.2
B.-2
C.4
D.Both 2 and -2 are correct
E.None of these choices are correct
Can someone help me with this question please
What is the slope of the linear function of (6 , 2) (9 , 8)
Answer:
1/2
Step-by-step explanation:
The formula for slope is [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]
9-6=3
8-2=6
3/6=1/2
For 4 weeks, William volunteered as a helper for swimming classes. The first week, he volunteered for 8 hours. He volunteered for 12 hours in the second week, and another 12 hours in the third week. The fourth week, he volunteered for 9 hours. For how many hours did he volunteer per week, on average?
Jagan and Mithun calculated the value of 12 - 6 + 4.The steps are given alongside.
Who has given the correct answer, justify
Answer:
10.Step-by-step explanation:
Explanation:
[tex]12 - 6 + 4[/tex]
In order to solve this, we must use PEMDAS.
This is because there are more than one operations involved.
PEMDAS is the order in which you must solve the operations.
PEMDAS STANDS FOR:
ParenthesisExponential Notation (exponents)Multiplication/division (do whichever comes first)Addition/subtraction (do whichever comes first)Solve.
Now, using PEMDAS, I will solve.
There are no parenthesis.
There are no exponents.
There is no multiplication nor division.
There is addition and subtraction.
[tex]12-6+4[/tex]
[tex]12-6=6[/tex]
[tex]6+4[/tex]
Lastly, there is addition.
[tex]6+4=10[/tex]
Conclude:
I, therefore, believe [tex]12-6+4=10.[/tex]
You did not clarify the answers of Jagan nor Mithun.
So, whichever person got the answer of 10 is correct.
