Which is equivalent to the following expression?
4(9m + 3) + 9 - 2(3m)
a. 16m + 9
b. 30m + 21
c. 30m + 9
d. 42m +21
30m +21
4(9m + 3) + 9 - 2(3m), distribute the numbers into the parenthesis 36m+12+9-6m, combine like terms 30m + 21Answer:
[tex] \huge{ \bold{ \boxed{ \text{30m + 21}}}}[/tex]
Step-by-step explanation:
[tex] \text{4(9m + 3) + 9 - 2(3m) }[/tex]
[tex] \text{Step \: 1} : \text{Distribute \: 4 \: through \: the \: parentheses}[/tex]
➵ [tex] \text{36m + 12 + 9 - 2(3m)}[/tex]
[tex] \text{Step \: 2} : \text{Multiply \: 2 \: by \: 3m}[/tex]
➵ [tex] \text{36m + 12 + 9 - 6m}[/tex]
[tex] \text{Step \: 3 : \: Combine \: like \: terms}[/tex]
[tex] \text{Like \: terms \: are \: those \: which \: have \: the \: same \: base.}[/tex]
➵ [tex] \text{36m - 6m + 12 + 9}[/tex]
➵ [tex] \text{30m \: + 12 + 9}[/tex]
[tex] \text{Step \: 4 : Add \: the \: numbers}[/tex]
➵ [tex] \text{30m \: + \: 21}[/tex]
[tex] \sf{Hope \: I \: helped}[/tex]!
[tex] \sf{Best \: regards}[/tex] !
~TheAnimeGirl
Find the midpoint of the line segment joining the points (-1,-1) and (-3,12)
The midpoint is a
(Simplify your answer. Type an ordered pair.)
Answer:
(−2, 11/2)
Step-by-step explanation:
the answer is (-2, 11/2)
what is 3^4*3^3 expressed as a power?
A.9^7
B.3^3
C.3^7
D. 3^12
If you answer this question CORRECTLY ill give you 20 brainliests:)) plz try to help me before 2:00pm tmr thx<3
[tex]3^4 * 3^3[/tex]
Exponent rule states that you can add the powers.
which means that the answer is C
[tex]3^7[/tex]
Hope this helped.
You start at (5, -4), You move up 3 units. Where do you end?
Answer:
(5, -1)
Step-by-step explanation:
The y coordinate increases by 3.
Answer:
-5,1
Step-by-step explanation:
Water is poured into a container at a steady rate. After six minutes, 9.6 gallons of water are in the container. Let g represent the number of gallons of water in the
container after t minutes.
Select the equation that represents the relationship between g and t.
g= 0.6254
gt = 0.625
1.6g =1
g = 1.6t
Answer:
g = 1.6t
Step-by-step explanation:
Here, we want to select the equation that shows the correct relationship between g and t
We are told that after 6 seconds, we have 9.6 gallons of water
So the amount per second will be 9.6/6 = 1.6 gallons per second
So the relationship between the two will be
g = 1.6t
Where t is the time and g is the gallons
Which error did Mathieu make?
He factored incorrectly.
He did not use the constant as the x-intercept.
He set the factored expressions equal to each other.
He incorrectly solved the equation x + 3 = x + 1.
Answer:
C
Step-by-step explanation:
Plz mark brainliest
The error is he set the factored expressions equal to each other(option3).
What is X-intercepts?In a graph, the point where the line or curve crosses the axis is called the intercept. If a point crosses the x-axis it is x-intercepts. If a point crosses y-axis it is y-intercepts.
For finding x-intercepts of the given function,
First we have to factorize the given equation and then find the x values .
In [tex]f(x)=x^{2} +4x+3[/tex]
When we factorize we get , (x+3) and (x+1)
i.e., x+3=0⇒x=-3, x+1=0⇒x=-1.
That is x- intercept is -1 and -3.
Instead of this step Mathieu equated x+3=x+1.
This makes an error.
Hence, the error is he set the factored expressions equal to each other.
Learn more about x-intercepts here:
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d(A-N)=Q solve for d
Answer: D = Q/A - N
Step-by-step explanation: u just divide both sides by A - N
If CE bisects ZBCD and if m ZBCE = 3x - 6
and mZECD = 2x + 11, find mZBCD. Is
ZBCD acute, right, or obtuse?
Answer:
m∠BCD = 90°
∠BCD is a right angle
Step-by-step explanation:
If a ray bisects an angle, that means it divides the angle into two equal parts in measure
∵ Ray CE bisects ∠BCD
→ Means divide it into two angles BCE and ECD which equal in measures
∴ m∠BCE = m∠ECD = [tex]\frac{1}{2}[/tex] m∠BCD
∵ m∠BCE = 3x - 6
∵ m∠ECD = 2x + 11
→ Equate them to find x
∴ 3x - 6 = 2x + 11
→ Add 6 to both sides
∵ 3x - 6 + 6 = 2x + 11 + 6
∴ 3x = 2x + 17
→ Subtract 2x from both sides
∵ 3x - 2x = 2x - 2x + 17
∴ x = 17
∵ m∠BCE = [tex]\frac{1}{2}[/tex] m∠BCD
→ Substitute x in the measure of ∠BCE to find it, then use it to
find m∠BCD
∵ m∠BCE = 3(17) - 6 = 51 - 6
∴ m∠BCE = 45°
∵ 45 = [tex]\frac{1}{2}[/tex] m∠BCD
→ Multiply both sides by 2
∴ 90 = m∠BCD
∴ m∠BCD = 90°
→ The measure of the acute angle is less than 90°, the measure of
the obtuse angle is greater than 90°, and the measure of the
right angle is 90°
∴ ∠BCD is a right angle
what is (4 multiply 7 dived by 2 ?
Answer:
14
Step-by-step explanation:
solve for x: -2(x+9)=5(x-7)
Answer: [tex]x[/tex] = [tex]\frac{17}{7}[/tex]
Step-by-step explanation:
Hey there! I will give the following steps, if you have any questions feel free to ask me in the comments below.
Step 1: Expand.
−2[tex]x[/tex] − 18 = 5[tex]x[/tex] − 35
Step 2: Add 2[tex]x[/tex] to both sides.
−18 = 5x − 35 + 2[tex]x[/tex]
Step 3: Simplify 5[tex]x[/tex] − 35 + 2[tex]x[/tex] to 7[tex]x[/tex] − 35.
−18 = 7[tex]x[/tex] − 35
Step 4: Add 35 to both sides.
−18 + 35 = 7[tex]x[/tex]
Step 5: Simplify −18 + 35 to 17.
17 = 7[tex]x[/tex]
Step 6: Divide both sides by 7.
[tex]\frac{17}{7}[/tex] = [tex]x[/tex]
Step 7: Switch sides.
[tex]x[/tex] = [tex]\frac{17}{7}[/tex]
~I hope I helped you! :)~
Is 1/2 bigger or less then 20%
Answer:
1/2 is BIGGER than 20%
Step-by-step explanation:
1/2 is the same as 50% and 50% is greater than 20%
(Percent is out of 100 so half of 100 is 50.)
Hope that helps and have a great day!
Answer:
Well if it is a sale taking place then 1/2 off is less than 20% off
However if the prices are being increased then 1/2 more is bigger than 20% more.
Step-by-step explanation:
the perimeter of the pentagon below is 63 units. Find the value of x
Answer:
7
Step-by-step explanation:
2x+10+11+(x+2)+(3x-2)=63
2(7)+10+11+(7+2)+(3(7)-2)=63
x=7
7 is the value of x
What are sides of a pentagon with different sides ?
If the sides of a pentagon are not equal in measure, it is termed as an irregular pentagon. In this case, the perimeter of the pentagon can be calculated by using the basic formula, Perimeter = sum of its sides.
Given,
side 1 = 2x
side 2 = 10
side 3 = x+2
side 4 = 11
side 5 = 3x-2
Sum of all the sides of the pentagon,
2x+10+(x+2)+11+(3x-2)=63
2x+10+x+2+11+3x-2=63
6x+21=63
6x=63-21
6x=42
x=42/6
x=7
Read more about pentagon here :
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pls help before 11:59
Answer:
78 Degrees
Step-by-step explanation:
Two supplementary angles:
4x + 2 + 3x + 3 = 180
Combine like terms:
7x + 5 = 180
Simplify
7x = 175
x = 25
(25)3 + 3 = 75 + 3 = 78
Angle DCB is 78 degrees
Answer:
78 Degrees
Step-by-step explanation:
Two supplementary angles: (GIven)
4x + 2 + 3x + 3 = 180
Combine like terms:
7x + 5 = 180
Simplify
7x = 175
x = 25
(25)3 + 3 = 75 + 3 = 78
So,
Angle DCB is 78 degrees.
I hope it will help you :)
Help ASAP ‼️If m∠A=5x-12 m∠B=2x+18 ∠A and ∠C are supplementary and ∠B and ∠C are supplementary, find x.
i need help right now and asap this is the question and if u answer i will give brainliest and whatever it is i will give it anyway here it is
Philosophers during the Enlightenment of the 1600s and 1700s
a were most concerned with faith and religion.
b were disdainful of art and science.
c used emotion as a guiding principle.
d used reason to try to improve people’s lives.
Answer:
Sorry if I'm late!!!
D. Used reason to improve people's lives
Explanation:
The enlightenment was a time when philosophers challenged the teachings of the catholic church.
The distance of planet Saturn from the Sun is 1.5 ⋅ 109 kilometers, and the distance of planet Venus from the Sun is 1.1 ⋅ 108 kilometers. About how many more kilometers is the distance of Saturn from the Sun than the distance of Venus from the Sun? A 0.4 • 10^8. B 0.4 •10^9. C 1.4 • 10^9. D 1.4 • 10^10
the distance is s mil lion
Answer:
million
Step-by-step explanation:
A polygon is shown on the graph:
A polygon is shown on a coordinate plane. Vertex A is located at 2 comma negative 1, vertex B is located at 1 comma negative 4, vertex C is located at 3 comma negative 5, vertex D is located at 5 comma negative 3.
If the polygon is translated 3 units down and 4 units left, what will the coordinates of the new image be? Use prime notation in expressing the new coordinates.
Answer:
4 units left : subtract 4 from each x coordinate
3 units down : subtract 3 from each y coordinate
Step-by-step explanation:
what is the inverse of f(x) = 1/3 x + 2
A. h(x) = 1/3 x + 3
B. h(x) = 1/3 x - 2
C. h(x) = 3x -2
D. h(x) = 3x - 6
if we are taking the same eduinuity quiz then this is the correct answer
Answer: D.h(x)=3x-6
i hope this helps cause i'm doing the assingment rn
The graph below shows the time Andrea spent reading one day. Write a few sentences to describe the relationship between the time Andrea spent reading and the number of pages she read.
Answer:
the more pages she read, the more time she read for.
Step-by-step explanation:
Multiply. Enter the product in simplest form.
17/8 x 14/51
Answer:
7/12 or in decimal form it is .583
Step-by-step explanation:
Please mark brainliest!
hope this helps!
need help fastttt plssss I give the brainliest answer to who is correct plss
Answer:
$6.75
Step-by-step explanation:
I took math in high school
Find two consecutive odd numbers such that seven times the smaller number is 17 more than six times the larger
Answer:
29 and 31
Step-by-step explanation:
Let
x = the first odd number
x + 2 = the second odd number
seven times the smaller number is 17 more than six times the larger
7*x = 17 + 6(x + 2)
7x = 17 + 6x + 12
Collect like terms
7x - 6x = 29
x = 29
x + 2 = 29 + 2
= 31
Check:
7*x = 17 + 6(x + 2)
7*29 = 17 + 6(29 + 2)
203 = 17 + 6(31)
203 = 17 + 186
203 = 203
Therefore, the two consecutive odd numbers are 29 and 31
i need help please for geometry
Answer:
EF ≈ 1.98
Step-by-step explanation:
Using the sine ratio in the right triangle
sin26° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{EF}{FD}[/tex] = [tex]\frac{EF}{4.5 }[/tex] ( multiply both sides by 4.5 )
4.5 × sin26° = EF
4.5 × 0.44 = EF , that is
EF ≈ 1.98 ( to 2 dec. places )
explain how to solve it?
6 = 3 x - 9
Answer:
5
Step-by-step explanation:
Step 1:
6 = 3x - 9 Equation
Step 2:
15 = 3x Add 9 on both sides
Step 3:
x = 15 ÷ 3 Divide
Answer:
x = 5
Hope This Helps :)
Answer: 5
Step-by-step explanation:
6 = 3x - 9
+9 + 9
15 = 3x
/3 /3
5 = x
the first person to answer will be marked Brainliest
A sweater is on sale for $31.20. The original price is $52. What is the percent discount?
Answer:
40 %
Step-by-step explanation:
40% off - 31.20/52 = .60 which means a 40% discount
hope this helps! :)
Use a Pythagorean Theorem to find the missing length and then round the result to the nearest tenth.
a=7,b=__,c=8
1/2(6x+4) =5(2x-8) im not sure what order to do things in or really how to do it
Which describes the slope of the given line?
Answer:
Negative
Step-by-step explanation:
because it's going down towards the right.
There are 5 monkeys and 1 tiger which one is smarter?
Answer:M O N K E
Step-by-step explanation:because monke smort
Answer: Monkeys!
Step-by-step explanation: Monkeys are sometimes smarter than humans! There is also 5 of them
12x = 40.8 find the number for the variable
4.3
3.4
4.4
489.6
Answer:
3.4
Step-by-step explanation:
Equation:
12x = 40.8
Isolate the variable:
x = 40.8/12
x = 3.4
Answer:
x = 3.4
Step-by-step explanation:
12x = 40.8
40.8 / 12 = 3.4
x = 3.4