hi
you must find f°g
so apply g then f.
g(x) = 2x²+2x-7
f(x) = 2x-7
so f(gx) = 2 ( 2x²+2x-7) - 7
= 4x²+4x-14-7
= 4x²+4x - 7
Plz plz plz help......
Answer:
m<OXP = 2(35) + 5
= 75 degrees
Step-by-step explanation:
x-5 + 2x+ 5 + 75 = 180
3x + 75= 180
3x= 105
x= 35
Hope this helps
Answer:
Angle OXP = 105 degrees.
Step-by-step explanation:
Let's start figuring out the angles in the triangle. We know that the sum of the interior angles of a triangle add up to 180.
(x - 5) + (2x + 5) + 75 = 180
x - 5 + 2x + 5 + 75 = 180
3x = 105
x = 35
So angle FXO = 2x + 5 = 2(35) + 5 = 70 + 5 = 75
We know that angle FXO and OXP are supplementary angles, so they add up to 180 degrees as well.
OXP = 180 - 75 = 105
Kiara made the table below to show the IQ scores and grade point averages (GPAs) of students in her class. She made another table to show the standardized test scores and IQ scores.
IQ, GPA, and SAT Scores
IQ
GPA
IQ
Standardized Test Score
120
3.7
120
1540
85
2.3
85
800
110
3.0
110
1,200
96
2.7
96
1000
100
2.9
100
1100
She graphs the data in each table and writes the rounded values as shown for the regression line y = a x + b.
I Q and G P A. a = 0.04. b = negative 0.9. I Q and Standardized Scores. A = 20. b = negative 924.
Next, Kiara uses the steps below to predict a student’s standardized test score based on the student’s GPA of 4.0.
Step 1 Write the equation of the trend line for IQ and GPA.
y = 0.04 x minus 0.9
Step 2 Write the equation of the trend line for IQ and standardized test score.
y = 20 x minus 924
Step 3 Find the IQ that is expected from a GPA of 4.0.
y = 0.04 x minus 0.9. 4 = 0.04 x minus 0.9. 4.9 = 0.04 x. 122.5 = x.
The IQ is about 122.5.
Step 4 Find the corresponding standardized test score for an IQ of 122.5.
122.5 = 20 x minus 924. 122.5 = 20 x minus 924. y = 523.
The standardized test score is 523.
In which step did Kiara make the first error?
step 1
step 2
step 3
step 4
Answer:
Step 4 D
Step-by-step explanation:
Answer:
step 4
Step-by-step explanation:
What are the Zeros of the Polynomial: f (x) = 2(x + 4) (2 – 7) (5x – 2)
Answer:
-4, 0.4
Step-by-step explanation:
Diego bought some raisins and walnuts to make trail mix.
Raisins cost $4 a pound and walnuts cost $8 a pound. Diego spent $15 on both ingredients.
Decide if each pair of values could be a combination of raisins and walnuts that Diego bought.
4 pounds of raisins and 2 pounds of walnuts
Answer: You could only buy 1 pound of raisins and 1 pound of walnuts
Step-by-step explanation:
$8=1 pound of walnuts
$15-$8=$7
$4=1 pound of raisins
$7-$4=$3
$3 is not enough to buy a pound of raisins since it’s one dollar off but it is also not enough to buy a pound of walnuts because it’s off by $5
Answer:
4 pounds of raisins and 2 pounds of walnuts is not a solution to this equation.
Step-by-step explanation:
4y+8x=15
4(4)+8(2)=?
4(4)=16
8(2)=16
16+16=32
Therefore, 4 pounds of raisins and 2 pounds of walnuts is not a possible solution for the constraints of the eqution.
3 ounces of perfume for $99, 8 ounces for x
Answer:
Step-by-step explanation:
$99÷3=$33 per ounce
8 x $33 = 264
x = $264
PleaseI need help with this math question please
Answer:
Side PS = 35cm
X = 19
Note : Add all the sides up in order to equal it to the perimeter to find x.
Identify the error in this column:
(x2 + 3x + 18) = (x + 3)(x + 6)
Answer:
I think the error is that the variable x came before the whole number 2.
[tex]x^2+3x+18 = (x+3)(x+6)[/tex]
↝ The error here is that (x+3)(x+6) doesn't make 3x in the middle here.
↝ From (x+a)(x+b) = x²+bx+ax+ab = x²+(a+b)x+ab
Now we let a = 3 and b = 6
Let's check the answer.
Given a = 3 and b = 6 (From the polynomials given.)
(x+a)(x+b) = x²+(a+b)x+ab
(x+3)(x+6)=x²+(3+6)x+(3*6)
(x+3)(x+6)=x²+9x+18
As you can see that the error here is that (x+3)(x+6) doesn't make 3x in the middle of polynomial. Therefore the error here is only 3x as proven.
caculate the diffrence of 13.9-1.149
Answer:
12.751
Step-by-step explanation:
13.9 - 1.149
--Subtract--
Answer:
12.751
Step-by-step explanation:
Just do subtraction.
Hannah has a candle-making business, Hannah's Heavenly Scents.
She is
experimenting with the time it takes for her candles to burn. She has
one candle that is 16 cm tall and loses 2.5 cm in height every hour it
burns. She has another candle that is 12 cm tall and loses 1.5 cm in
height
every hour it burns.
Write a function for the height, T, of the taller candle in terms of the
number of hours it has burned, h.
Answer:
T = 16 - 2.5hStep-by-step explanation:
The taller candle is 16 cm and loses 2.5 cm every hour
Equation for the taller candle:
T = 16 - 2.5h-6*f(-3)-5*g(-7)=
I need help ASAP
Answer:
[tex]18 f+35g[/tex]
Step-by-step explanation:
Write the problem as a mathematical expression.
[tex]-6*f(-3)-5*g(-7)[/tex]
Move −3 to the left of f.
[tex]-6*(-3f)-5*(g(-7))[/tex]
Multiply −3 by −6.
[tex]18f-5*(g(-7))[/tex]
Move −7 to the left of g.
[tex]18f-5*(-7g)[/tex]
Multiply -7 by -5.
[tex]18f+35g[/tex]
Which two numbers have decimal forms that terminate or repeat? A) 22 11 B) 67 7 12. 294 D) O NO E V17
plz help me
Answer:
c & d
Step-by-step explanation:
Trust me on this one can i have brainiest
Option {D} : 0 represents the correct alternative.
What are decimal numbers?A decimal is a number that consists of a whole and a fractional part.
Given are the decimal numbers.
Option {D} : 0 represents the correct alternative.
Therefore, Option {D} : 0 represents the correct alternative.
To solve more questions on decimals, visit the link below -
brainly.com/question/30215119
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PLZ i want the answer
Answer:
0.28
Step-by-step explanation:
You would just add the 2 values you have and then subtract them from 1, the remaining value is your answer.
Here is what I did...
0.3 + 0.42 = 0.72
1 - 0.72 = 0.28
Probability of pasta is 0.28 or 28%.
What is (8 × 10 -3 )(.0003) in scientific form.
9514 1404 393
Answer:
2.4×10^-6
Step-by-step explanation:
Your calculator can help you with this.
(8×10^-3)(3×10^-4) = (8·3)×10^(-3-4) = 24×10^-7
= (2.4×10^1)×10^-7 = 2.4×10^-6
A single card is drawn at random from a standard 52 card deck.
Work out the following probabilities in their simplest form:
P(Spade)
=
P(not Spade)
=
Answer:
1/4 - spade
3/4 - not spade
Step-by-step explanation:
There is 13 spades in a deck of 52 cards, so the probability would be 13/52, simplified to 1/4
4/4 - 1/4 = 3/4
I hope this helped, please mark Brainliest, thank you !!
Select all the expressions that are equivalent to -8.
80
100
800
100
80 = (-10)
-80 = (-10)
480
-100
end of first quarter today, this is due today. please help! :)
Answer:
-800/100 and 80 ÷ (–10)
Step-by-step explanation:
I did the test and I got 100%
attorney b charges 150 for the inity meeting and 175 per hour for all hours worked after that write an equation in slope intercept form
Answer:
fcuyah;tug2jw
Step-by-step explanation:
ASAP Help me due in a few hours are these right will give 100 points and brainliest DO NOT COMMENT JUST FOR POINTS
Answer:
you might need to take a better picture
Step-by-step explanation:
I can't quite see all the questions
Can someone please help me (15 points)
If f (x) = 3 x squared and g (x) = 4 x cubed + 1, what is the degree of (f ∘ g) (x)?
2
3
5
6
Answer:
6 is the answer you are looking for
In Mr.Elliot’s garden, 1/8 of the flowers are red, 1/4 of them are purple, and 1/4 of the remaining flowers are pink. If there are 128 flowers, how many flowers are pink?
Answer:
Just wasting your answers because you did it to me.
But.. 5th grade is easy..
Step-by-step explanation:
Matthew and Mark were selling cups of lemonade. Matthew sold 15 more cups of lemonade than Mark. Together they sold 81 cups. How many cups did Matthew sell?
Answer:
48 cups
Step-by-step explanation:
Matthew and Mark were selling cups of lemonade.
Let the number of cups that Matthew sold = x
The number of cups Mark sold = y
Together they sold 81 cups.
= x + y = 81 cups...... Equation 1
Matthew sold 15 more cups of lemonade than Mark.
x = y + 15 cups
Substituting y + 15 for x in Equation 1
y + 15 + y = 81 cups
2y +15 = 81 cups
2y = 81 -15
2y = 66 cups
y = 66 cups/2
y = 33 cups
Hence, the number of cups Mark sold = 33 cups.
The number of cups Matthew sold is calculated as:
= x = y + 15 cups
x = 33 cups + 15 cups
x = 48 cups
Please help me out with this question please
Answer:
Step-by-step explanation:
B only
Determine the slope of the line that passes through these points (3,9) and (-7,11)
Answer:
-5
Step-by-step explanation:
To calculate the gradient of the slope, we have to calculate the [tex]\frac{rise}{run}[/tex].
[tex]\frac{3-(-7)}{9-11}[/tex] = [tex]\frac{3+7}{-2}[/tex]
[tex]\frac{3+7}{-2}[/tex] = [tex]\frac{10}{-2}[/tex]
[tex]\frac{10}{-2}[/tex] = -5
is the square route of 25 a integer
Answer:
Yes.
Step-by-step explanation:
The square root of 25 is an integer. 25 is a perfect square meaning Tyou can multiply an integer by itself and obtain 25. Hope this helps.
Answer:
Yes its 5
Step-by-step explanation:
i need help please this due by today at 5:00pm
Answer:
1a) z=48
2a) x=88
3a) b=22
4a) z=(4/5)
5a) s=(5/9)
6a) p=10
Step-by-step explanation:
Please can I help me
Answer:
I think it's -7.73
it's -7.73 bc u add all 3 then divide -85 by 11
3(x + 2) + 4(x - 5) = 10
Answer:
m the answer is
=2 4 out of 7
Step-by-step explanation:
The formula for the area A of a rectangle with a length of 5 inches is A = 5w, where w is the
width in inches. Make a table showing the area of the rectangles with a 5-inch length and a
width of 2, 4, 6, and 8 inches. What would be the ordered pairs on the table.
Answer:
Width 2 4 6 8
Area 10 20 30 40
Step-by-step explanation:
Area of a rectangle = length × width
Calculate width when length = 5 inches
When length = 5 inches and width = 2 inches
Area of a rectangle = length × width
A = 5 × 2
= 10 square inches
When length = 5 inches and width = 4 inches
Area of a rectangle = length × width
A = 5 × 4
= 20 square inches
When length = 5 inches and width = 6 inches
Area of a rectangle = length × width
A = 5 × 6
= 30 square inches
When length = 5 inches and width = 8 inches
Area of a rectangle = length × width
A = 5 × 8
= 40 square inches
Given the same length and different width
Width 2 4 6 8
Area 10 20 30 40
I need help with this math question plz
Heyy I need help! :(
An investor has an account with stock from two different companies. Last year, his stock in Company A was worth $3600 and his stock in Company B was worth $5350. The stock in Company A has increased 19% since last year and the stock in Company B has increased 24%. What was the total percentage increase in the investor's stock account? Round your answer to the nearest tenth (if necessary).
Answer:
22
Step-by-step explanation:
find the equation of the line with the slope m= -6 that passes through the point (-3, -5). Write the equation in the form Ax+ By=C
Answer:
y=mx+b
-5= -3(-6)+b
-5=18+b
-23=b
3x-5y=-23
The equation of the line with slope m = -6 that passes through the point (-3, -5) in the form Ax + By = C is 6x + y = -23.
We have,
To find the equation of a line given its slope and a point on the line, we can use the point-slope form of the equation, which is:
y - y1 = m(x - x1)
Where (x1, y1) represents the coordinates of the given point and m is the slope.
Given the slope m = -6 and the point (-3, -5), we can substitute these values into the point-slope form:
y - (-5) = -6(x - (-3))
Simplifying:
y + 5 = -6(x + 3)
Expanding the equation:
y + 5 = -6x - 18
To write the equation in the form Ax + By = C, we need to rearrange it:
6x + y = -18 - 5
6x + y = -23
The coefficients of x and y are 6 and 1 respectively, so the equation can be written as:
6x + y = -23
Therefore,
The equation of the line with slope m = -6 that passes through the point (-3, -5) in the form Ax + By = C is 6x + y = -23.
Learn more about equation of a line here:
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