Answers
Answer:
f(- 2) = 8
Step-by-step explanation:
To evaluate f(- 2) , substitute x = - 2 into f(x) , that is
f(- 2) = 3(- 2)² + (- 2) - 2 = 3(4) - 2 - 2 = 12 - 4 = 8
Related Questions
Find the value of x.
HELP
Answers
x² = 6² + 19²
x² = 36 + 361
x = √397
During a guided tour of Sindrow Castle, a group of tourists climbed to the top of Fineview Tower.
At the top, the guide asked the six children in the group to guess how many steps they had
climbed. Their guesses were 155, 157, 167, 168, 179 and 183.
The guide revealed that the closest guess was only 3 more or less than the correct number and
that two of the other guesses were no more than 10 away.
How many steps had they climbed?
A 160
B 164
C 171
D 176
Answers
Answer:
C
Step-by-step explanation:
Need help ASAP !!!
Solve for u
Answers
Answer:
3.46 or ..
[tex] 2\sqrt{3} [/tex]
Step-by-step explanation:
because you use sin(60) = 3/u
You are making a poster to support your friend for homecoming. Your original photo is 4 inches by 6 inches. You want the photo on the poster to be 2 feet by 3 feet. What is the scale factor of this dilation? show work pls :(
Answers
Answer:
6
Step-by-step explanation:
2 ft = 24in so 4 to 24 is times 6
3ft=36 in and 6 to 46 is times 6
Answer:
6/1
Step-by-step explanation:
2ft=24 inches
3ft=36 inches
poster/original photo
24in/4in=6/1
36in/6in=6/1
6/1
Which equation has a slope: 3/2, y-intercept: –4
Answers
Answer:
The equation of the line that has a slope of 3/2 and a y-intercept of -4 is:
y=3/2x-4.
Step-by-step explanation:
You want to find the equation for a line that has a slope of 3/2 and a y-intercept of -4. First of all, remember what the equation of a line is:
y = mx+b Where: m is the slope, and b is the y-intercept
All you really have to do here is replace m with 3/2, which is the slope you gave, and replace b with -4, the y-intercept you gave, in the equation y=mx+b.
find the area of the composite shape. quickly please
Answers
Answer:
4800 1 x 24 x 25 x 8
Step-by-step explanation: 1 x 24 x 25 x 8
The measure of an angle is 72 degrees what is the measure of its conplementary angle
Answers
Answer:
18
Step-by-step explanation:
If Robert buys a candy bar for 78 cents, how much
change does he get back from a one-dollar bill?
32 cents
23 cents
22 cents
33 cents
Answers
Explanation:
One dollar is 100 cents.
Your equation would be...
100 - 78 = 22 (your change)
Subtract the amount given by the total cost to get the change.
The height of a cuboid whose volume is 385 cu cm and base area is 35 sq cm is
Answers
Answer:
11cm
Step-by-step explanation:
Given data
Volume of cuboid =385 cm^3
Base area= 35cm^2
We know that
Volume = Area* Height
substitute and solve for Height
385=35*H
H= 385/35
H= 11cm
Hence, the height is 11cm
Help ASAP ASAP
Help asappp
Answers
Answer:
-3.9
Step-by-step explanation:
•0.3. •0.3
y-1.4= -4.32
+1.4= +1.4
y= -2.92
How do you find the slope to (3,12),(3,-17)
Answers
Answer:
you plot them together
1. draw a t shape and then plot it like x then y
Answer:
trust your instincts
Step-by-step explanation:
decide on your own destiny i can not interfeir
what is the answer? help me
Answers
If
[tex] \alpha \beta [/tex]
are the roots of 3x²+2x-1=0 then 1/
[tex] \alpha [/tex]
+1/
[tex] \beta [/tex]
is
Answers
Answer:
2
Step-by-step explanation:
Given the quadratic equation
3x²+2x-1=0
Let tthe root be α and β
Sum of root α+β = -b/a
Product of root αβ = c/a
Given that;
a = 3, b = 2 and c = -1
α+β = -2/3
αβ = -1/3
To get 1/α + 1/β
Find the LCM
1/α + 1/β
= (α+β)/αβ
= (-2/3)/(-1/3)
= -2/3 * 3/-1
= 2
Hence the required answer is 2
what is the value of p+9 when p=16
Answers
Answer:
25 :)
Step-by-step explanation:
well, if it's p+9 and you know that p=16 then you plug 16 in for p so the equation will be 16+9 and then you solve from there which is 25
Can yall help me what my teacher talking bout please this is worth 73 point put the answer nd all
Answers
Felicia and gabriella are on the hamilton middle school basketball team. The box plots show the number of points they scored in 8 basketball games.
Answers
Answer:
I
Step-by-step explanation:
I need the box plot to do the problem
Help plsssss!!!!!!!!!!!!!
Answers
Answer:
Percent, Part, whole, I am not sure the rest hope this helped though
Step-by-step explanation:
Answer:
15% is the percent, 9$ is the part and the original price is the whole
the original price is 60$ and the coustomer buys it for 51$
What is the slope-intercept equation for the line below?
5
(4,3)
(0, 1)
5
O A. y=2x+1
B. y=-3x+1
O C. y=-2x+1
O D. y = 2x+1
Answers
Answer:
is there a pic you could provide?
Step-by-step explanation:
The slope-intercept equation for the line is,
⇒ y = 1/2x + 1
What is Equation of line?The equation of line in point-slope form passing through the points
(x₁ , y₁) and (x₂, y₂) with slope m is defined as;
⇒ y - y₁ = m (x - x₁)
Where, m = (y₂ - y₁) / (x₂ - x₁)
Given that;
Two points on the line are (4, 3) and (0, 1).
Now,
Since, The equation of line passes through the points (4, 3) and (0, 1).
So, We need to find the slope of the line.
Hence, Slope of the line is,
m = (y₂ - y₁) / (x₂ - x₁)
m = (1 - 3) / (0 - 4)
m = - 2 / - 4
m = 1/2
Thus, The equation of line with slope 1/2 is,
⇒ y - 3 = 1/2 (x - 4)
⇒ y - 3 = 1/2x -2
⇒ y = 1/2x + 1
Therefore, The slope-intercept equation for the line is,
⇒ y = 1/2x + 1
Learn more about the equation of line visit:
https://brainly.com/question/18831322
#SPJ7
i need help lol with this problem pls help pls pls pls
Answers
Answer:
Step-by-step explanation:
For this triangle, since the angle is included between 2 given sides, the formula will be:
[tex]A =\frac{1}{2}ab*ac*sin(angleA)[/tex]
Putting values where they belong:
[tex]A=\frac{1}{2}(10)(12)sin72[/tex]
Do all that in your calculator (in degree mode, NOT radian!) to get
A = 57.1 square cm
PLEASE I NEED HELP THIS NEEDS TO GET DONE SOON AND IM STUCK):
Question 2 Multiple Choice Worth 2 points) (06.03) For the expression y + 6 - 3, determine the coefficient for the variable term 1 06
Answers
Answer:
1
Step-by-step explanation:
whenever there is a varible alone the coefficient is 1
Find the RANGE for the function f(x) = -4x - 9 if D = {1/2 ,0}
Answers
Answer:
-11, and -9 is the range for 1/2 and 0 respectively
Step-by-step explanation:
4 to the power of3 -(2+2to the power of 3) x 5
Answers
Answer:
14
Step-by-step explanation:
Given the following equation;
4³ - (2 + 2³) * 5
4*4*4 - (2 + 2*2*2) * 5
64 - (2 + 8) * 5
64 - (10) * 5
64 - 50 = 14
Note: the rule of BODMAS was applied.
PLEASE ANSWER ASAP FOR BRAINLEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answers
Answer: Should be 150mm
Step-by-step explanation:
Find the surface area of each figure. Round answers to the nearest tenth, if necessary
2 mm-
2/5 mm
10 mm
3 mm
O
75 mm2
150 mm2
92 mm2
86 mm2
Type in a value that represents as likely as not in a decimal form.
Answers
Answer:
I Need Numbers Somthing....... Its Imposable to answer this
Step-by-step explanation:
Answer this correctly I’ll give brainalist + 10 points
Answers
Answer:
x = 43
Step-by-step explanation:
Since these angles are inside a right angle, we know their sums are complementary (they add up to 90°.)
x + x + 4 = 90
2x + 4 = 90 | Combine x's
2x = 86 | Subtract 4 from both sides
x = 43 | Divide both sides by 2
Cali records the number of articles she
writes each month for a year.
Articles Each Month
5
5
3
6
2
5
5
4
4
7
9
2
In what percent of the months does
she write MORE than 3 articles?
%
Answers
Answer: 75%
Step-by-step explanation:
9/12 months are number larger than three. 9/12 simplified is 3/4 and 3/4 is 75%
There are 12 months. She wrote more than three articles 9 out of the 12 months. To find the percentage you need to divide. 9 divided by 12 is .75, to convert a decimal to a percent you have to move the decimal 2 places to the right. Therefore, you get 75%
Pls help me with this problem. Also the answer has to be in terms of pi
Answers
Explanation: area = piR^2 so 10(radius)^2 = 100pi, only 1/4 of the circle is there so divide the area found (100pi) by 4 to find the one quarter of the circle.
Need it now. I'll give you another 100 when done if all i right.
Answers
This it the test please do as fast as posible and show work. thank you and sorry
If y = 0.5x + 1 and x = 2, what Is y?
Answers
Explanation:
y = 0.5x + 1
y = 0.5(2) + 1
y = 1 + 1
y = 2
If the area of a circle is 50.25 meters what is the radius
Answers
Answer:
≈3.99938
Step-by-step explanation:
it’s the answer