Answer:
f = 8
Step-by-step explanation:
Apply the distributed property, so it now looks like this: 2f - 10 = 6Add 10 to each side, so it now looks like this: 2f = 16Divide each side by 2 to cancel out the 2 next to f. It should now look like this: f = 8I hope this helps!
Answer:
f=8
Step-by-step explanation:
Step 1: Distribute
2(f) + 2(-5) = 6
2f - 10 = 6
Step 2: Add 10 to both sides to get 2f alone
2f = 16
Step 3: Divide both sides by 2 to get f alone
f = 8
187 minutes and is broken into two parts. The second part of the movie is 11 minutes langer than the first part. How many minutes is Part 2?
Answer:
99 minutes
Step-by-step explanation:
Let the variable x represent the longer part of the movie. Then the shorter part is (x-11) and the total length is the sum of the parts:
187 = x +(x -11)
198 = 2x
x = 99
The length of Part 2 is 99 minutes.
PLEASE ANSWER THIS ASAP !!!!!
Answer:
-22
Step-by-step explanation:
First, you must find the values for f(-8) and g(2). f(x) is the blue line so f(-8)=-2 because that is the value of y where x=-8. g(x) is the pink dotted line so g(2)=-4 because that is the value of y where x=2. Then, plug in and solve:
-3(-2)+7(-4)
6+-28
6-28
-22
Hope this helps!!
please help this is important for me.
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Explanation:
Check out the diagram below.
Plot R(-3,7) and T(3,-11) on the same xy grid.
Draw a vertical line through R and a horizontal line through T. A right triangle forms. At the intersection point is point S(-3,-11)
----------------------
Now measure the distance from point S to point T. You can count out the spaces or subtract the x coordinates and use absolute value.
|x1-x2| = |-3-3| = |-6| = 6
From point S to point T is 6 units.
We want to subdivide this horizontal length in the ratio 1:2
What this means is that we want to plot a point U somewhere such that SU:UT = 1:2
In other words,
SU = x
UT = 2x
SU+UT = ST
x+2x = 6
3x = 6
x = 6/3
x = 2
So we must move 2 spaces to the right from point S to get to U(-1,-11)
Going from point U(-1,-11) to T(3,-11) is 4 spaces
We have SU:UT = 2:4 = 1:2 to help confirm we have the correct location for point U
From point U, we then move straight up to the line segment RT
We'll land on Q(-1,1)
----------------------
Another way to find the y coordinate of point Q is to subdivide the segment RS into the ratio 1:2 similar to how we divided ST up
Segment RS is 18 units long since we go from y = 7 to y = -11 when going from R to S.
If V was on segment RS such that
RV:VS = 1:2
and RV = y
then
RV+VS = RS
y+2y = 18
3y = 18
y = 6
RV = y = 6
VS = 2y = 2*6 = 12
So you'll move 6 units down from y = 7 to land on y = 1 (when going from the y coordinate of R to the y coordinate of Q)
two equal sides of triangle are 3cm more than three times the third side find the sides of the triangle if its perimeter is 21 CM
Answer:
Step-by-step explanation:
A. Perimeter
B. Scale
C. Dimensions
1. The length and width of an object are _______.
2. The distance around a figure is called the _________.
3. 1 square to 25 cm is an example of a _______.
number one is c two is a 3 is b
Question 1 of 6
Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction
Solve the following equation for x, and express its value in terms of c.
3(cx – 7) = 9
The value of x in the equation is
Answer:
If c=2 than x=5 because 2x5=10 and 10-7=3 and 3x3=9
Step-by-step explanation:
What is the lenght of the side opposite the 30 degree angle?
Answer: 60 degrees
Step-by-step explanation:
a triangle has a interior sum of 180°
90 + 30 = 120
180 - 120 = 60
Flat prats of solid figure
Answer:
it's known as a face
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M is directly proportional to L^3
When L = 2, M= 160
Find the value of M when L = 3
Answer:
2,160
Step-by-step explanation: since M is proportional to L^3 so when L=2 then L^3=8 so M=160 which means if L = 3
When L = 3, the value of M is 540. The relationship between M and L³ holds true.
When two variables, M and L, are directly proportional, it means that their ratio remains constant.
In this case, M is directly proportional to L³, which can be written as M = k × L³, where k is the constant of proportionality.
To find the value of k, we can use the given information when L = 2, and M = 160:
160 = k × 2³
160 = k × 8
k = 160 / 8
k = 20
Now that we have the value of k, we can find the value of M when L = 3:
M = 20 × 3³
M = 20 × 27
M = 540
So, when L = 3, the value of M is 540. The relationship between M and L³ holds true for any value of L when multiplied by the constant of proportionality k, which we found to be 20 in this case.
To learn more about the proportional relationship;
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Please help me find the y-intercept, slope, and how I should write out the equation in y=mx+b form.
Answer:
m = -1/2 b = 4, equation = y = -1/2x + 4, Proportional, Negative slope
Step-by-step explanation:
To find m, see what slope is:
Is negative
for every one to right, goes down 1/2
so -1/2
Intercepts at 4, so b = 4
randy read a book in the afternoon. He looked at his watch when he started and finished reading. How long did randy read?
Answer:
Is this a joke?
Step-by-step explanation:
Please tell me this is.
Use the given property to complete the statement. Division Property of EqualityIf 2(AX) = 4(BY), then AX
Answer:BY is the answer
Somebody plz help me
Answer:
A
Step-by-step explanation:
is the function.
Am % sure
Which expression is equivalent to 1/2(16x+2)+5?
Answer:
8x + 6
Step-by-step explanation:
1/2(16x + 2) + 5
(1/2 × 16x + 1/2 × 2) + 5
8x + 1 + 5
8x + 6
That should be the answer.
A dress usually sells for $64.00. If the dress is 30% off, what is the total price of the dress (excluding tax)?
Answer:
$44.8
Step-by-step explanation:
What is the 9x6x64= I need help
Answer:
the answer is 3,456 I hope it helps
Which number line shows the solution to 2/3x - 5 > 3
Answer:
Step-by-step explanation:
Work out these calculations.
Use the priority of operations.
Use a calculator to check your answers.
Answer:
a) 961 b)37
Step-by-step explanation:
a) (5² + √36)²= (25+6)²= 31²=961
b) 4³ - (5-2)³= 64-3³= 64-27= 37
Steven and Bob both have a Pokemon card collection. The number of Pokemon cards in Steven's collection can be represented by x. The number of cards in Bob's collection is 4 times the amount in Steven's collection. The total number of Pokemon cards in both collections is 240. What is the number of cards in Steven's collection?
Answer: 48
Step-by-step explanation:
The number of Pokemon cards in Steven's collection = x
The number of cards in Bob's collection is 4 times the amount in Steven's collection= 4x
The total number of Pokemon cards in both collections = 240
x + 4x = 240
5x = 240
x = 240/5
x = 48
The number of cards in Steven's collection is 48
The observation deck of a building forms a sector with the dimensions shown.
Isafety rail
10 yd
10 yd
Find the length of the safety rail and the area of the deck. Round your answers to the nearest tenth.
The length of the safety rail is about
yards.
The area of the deck is about
square yards.
1. The length of the safety rail = Arc length is: 15.7 yd
2. The area of the deck = area of sector is: 78.5 yd²
What is the Area of a Sector?Area of sector = ∅/360 × πr²
What is the Length of an Arc?Arc length = ∅/360 × 2πr
1. Length of the safety rail = Arc length = ∅/360 × 2πr
= 90/360 × 2π(10)
= 15.7 yd
2. Area of the deck = area of sector = ∅/360 × πr²
= 90/360 × π(10²)
= 78.5 yd²
Learn more about area of sector and length of arc on:
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3/4 x 1/6
I don’t get it??
Answer:
[tex]\frac{3*1}{4*6} = \frac{3}{24} = \frac{1}{8}[/tex]
Step-by-step explanation:
A mountain climber started at 150 feet below sea level. What would he
need to climb to so that his starting spot and his ending spot were
opposites?
Answer:
3150 feet for both
Step-by-step explanation:
correct?
How should I get rid of the 5
A divide by 5
B multiply by 5
Divide by 5, if question is a multiplication
But, multiply by 5 if question is based on division.
So, you're basically doing the inverse, of the operations you've been given.
For example:
x/5 = 2
x5 ( Multiply by 5)
x = 10
3 x y = 12
÷3
y = 4
Hope this helps!
What number does Point A represent?
Answer:
I think 4.3 is your answer.
I think it will help you.
Answer:
4.3have a good day
............✿................
which 3d object does the net at the right form?
a. cube
b. rectangular prism
c. triangular prism
d. none of the above
Answer:
A. Cube
Step-by-step explanation:
All sides seem to be perfect squares, making this a cube
solve the following system of equations algebraically please ty
Eliminating y right away is easiest. Add -3(equation 1) to equation 2, and add 3(equation 3) to equation 2:
-3(2x + y + 3z) + (-3x + 3y - 2z) = -3(3) + (-8)
-6x - 3y - 9z - 3x + 3y - 2z = -9 - 8
-9x - 11z = -17
9x + 11z = 17 [equation 1]
3(5x - y + 5z) + (-3x + 3y - 2z) = 3(13) + (-8)
15x - 3y + 15z - 3x + 3y - 2z = 39 - 8
12x + 13z = 31 [equation 2]
Eliminating x next is easier than eliminating z. Add -4(equation 1) to 3(equation 2):
-4(9x + 11z) + 3(12x + 13z) = -4(17) + 3(31)
-36x - 44z + 36x + 39z = -68 + 93
-5z = 25
z = 25/(-5)
z = -5
Plug this into either of the previous equations and solve for x :
9x + 11z = 17
9x + 11(-5) = 17
9x - 55 = 17
9x = 72
x = 72/9
x = 8
Plug x and z into any of the 3 original equations and solve for y :
2x + y + 3z = 3
2(8) + y + 3(-5) = 3
16 + y - 15 = 3
1 + y = 3
y = 2
Help with this question please
Answer: Isosceles, acute
Step-by-step explanation:
Which is the domain of the function f(x) = -5/6(3/5)^x?
Answer:
All real numbers.
Factors:
Domain is the values that x will takeHere, x can take all the values, negative,positive,fractional any valueHence, domain of the function is all real numbers.Find (a) PQ to the nearest tenth and (b) the coordinates of the midpoint of PQ.
P(5,-4), Q(6,-5)
(a) PQ=(Round to the nearest tenth as needed.)
Ueueueueujehdjdjdjdjdjjfjfjfjrjrjrtep-by-step explanation:j
Which equation represents a parabola? 4x2 – 2x 3y2 – y 1 = 0 x2 x – 2y2 – 4y 2 = 0 –3x 4y2 – 2y 6 = 0 2x2 y2 – 4y 6 = 0.
The equation which can be represents a parabola in the standard form is given in the option C which is,
[tex]-3x +4y^2 - 2y+ 6 = 0[/tex]
What is equations of the parabolas?The equation of parabola is the way to represent a parabola in a algebraic expression from using its vertex points.
The general form of the of the parabola can be given as,
[tex]y=a(x-h)^2+k[/tex]
Here, (h, k) are the vertex.
The equation of the parabola in the quadratic equation form can be given as,
[tex]y=ax^2+bx+c[/tex]
Lets check all the option. Equation given in the first option is,
[tex]4x^2 - 2x+ 3y^2 - y +1 = 0[/tex]
This option can not be converted in the above from of parabola.
Equation given in the second option is,
[tex]x^2+ x - 2y^2 - 4y +2 = 0[/tex]
This option can not be converted in the above from of parabola.
Third option is given as,
[tex]-3x +4y^2 - 2y+ 6 = 0\\-3x=-4y^2+2y-6[/tex]
Change the sign of both side of the equation as,
[tex]3x=4y^2-2y+6[/tex]
Divide by number 3 as,
[tex]x=\dfrac{4}{3}y^2-\dfrac{2}{3}y+2[/tex]
This can be compared with the form of parabola equation.
Hence, the equation which can be represents a parabola in the standard form is given in the option C which is,
[tex]-3x +4y^2 - 2y+ 6 = 0[/tex]
Learn more about the equation of parabola here;
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