Answer:
y=2x+1
Step-by-step explanation:
(1,3). y=mx+b or 3=2 × 1+b, or solving for b: b=3-(2)(1). b=1
What is the quantity of work done when a crane lifts a 100-N block from 2 m above the ground to 6 m above the ground?
A. 100 J
B. 200 J
C. 400 J
D. 600 J
Answer:
400j
Step-by-step explanation:
What is the equation of a line that passes through the points `\left(-2\ ,\ 9\right)`and `\left(-4\ ,\ -4\right)`?
Answer:
y=(5/2)x+14
Use the slope formula and slope-intercept form y=mx+b to find the equation
HELP ASAP 3.) Andy's Karpet Kleaning charges a $23 consultation fee, plus $17 per hour to clean carpets. Stanley
Steemer charges a $37 consultation fee, plus $13 per hour. After how many hours will the total charge be the
same? What is the charge?
Answer:
After 3.5 hours and the charge is $82.50.
Step-by-step explanation:
Setting up the equations equal to each other will give a solution (x-value) that makes both sides equal (the same price) after the same amount of hours (x-value).
13x + 37 = 17x +23
x = 3.5
Then plug the hours into either side to get the equal price.
13(3.5) + 37 = $82.50
OR
17(3.5) + 23 = $82.50
Expand the logarithm fully using the properties of logs. Express the final answer in terms of log x. log2x^2
Answer:
㏒(2x²) = ㏒(2) + 2㏒(x)
Step-by-step explanation:
As given, ㏒(2x²)
As we know that ㏒(MN) = ㏒(M) + ㏒(N)
⇒㏒(2x²) = ㏒(2) + ㏒(x²)
As we know that ㏒(xⁿ) = n㏒(x)
⇒㏒(2x²) = ㏒(2) + 2㏒(x)
∴ we get
㏒(2x²) = ㏒(2) + 2㏒(x)
I need help I don't understand.
Answer:
arc AB = 90 degrees
x = 9
arc AD = 108 degrees
arc DC = 139 degrees
arc BC = 13 degrees
arc ADC = 247 degrees
Step-by-step explanation:
12x+(17x-14)+(2x+5)+90 = 360
31x+81 = 360
31x = 279
x = 9
arc AD = 12(9) = 108 degrees
arc DC = 17(9)-14 = 139 degrees
arc BC = 2(9)+5 = 23 degrees
arc ADC = 108+139 = 247 degrees
PLEASE HELP ASAP!!!
Tom and Jerry decide they want to see if they can throw a ball back and forth to each other from their 3rd story bedroom window. Tom throws the ball upward from the window which is 25 feet above the ground. He is able to throw the ball upward at a speed of 70 miles per hour! Which equation represents the height of the ball during the time after it is thrown upward?
Note: There are 5,280 feet in a mile. Measurements are rounded to the nearest thousandths place.
A. h= -16t^2 + 70t + 25
B. h= -16t^2 + 25t + 70
C. h= -16t^2 + 102.67t + 25
Answer:
answer A
Step-by-step explanation:
the square x(a) is the rate it falls, the x alone(b) is the speed it goes up, the number at the end(c) is the starting height
Answer:
B
Step-by-step explanation:
What is the area of this
composite figure?
A. 112 square inches
B. 110 square inches
C. 124 square inches
I just don’t get what they want so
the price of a car was reduced to 25% off the car is now £14.625 work out what the car was before it was reduced
If the measure of one interior angle on a regular polygon is 150°, how many sides does the polygon have?
Answer:
The shape is a Dodecagon
I need help with Geometry
4 +62 x :2
If b = 4 and c = 10, what is the value of the expression?
Answer:
6 x=2.
Step-by-step explanation:
i did it
I’ll give brainliest to the first answer
Answer:
14.4$
Step-by-step explanation:
Can you please help me with this question
HELP ITS DUE TODAY! PLSSSSSSSSSSSSSS
Answer:
funny
Step-by-step explanation:
find the perimeter and area:
1. square with a side 2.4 m in length find the perimeter and area
2. rectangle with length (x+3) and width 7
3. although a circle does not have sides, it does have a perimeter. what is the term for the perimeter of a circle?
Answer:
1= Perimeter =9.6
Area = 5.76m^2
Answer:
find the perimeter and area:
1. square with a side 2.4 m in length find the perimeter and area
answer:
length [l]=2.4m
area of square=l²=2.4²=5.76m²
perimeter of square=4l=4×2.4=9.6m
2. rectangle with length (x+3) and width 7
answer:
length [l]=x+3
Breadth [b]=7
perimeter of rectangle =2{l+b}=2(x+3+7)=2x+20
area of rectangle=l×b=(x+3)×7=7x+21
3. although a circle does not have sides, it does have a perimeter. what is the term for the perimeter of a circle.
answer:
the term for the perimeter of a circle=2πr (when radius is given ) and πd (when diameter Is given)
A phone company offers two monthly plans. Plan A costs $8 plus an additional $0.09 for each minute of calls. plan B cost $16 plus an additional $0.07 for each minute of calls.
a. For what amount of calling do the two plans cost the same? minutes
b. What is the cost when the two plans cost the same? $
Answer: 72
Plan A = 30 +0.15x
Plan B = 16 +0.20x
30+0.15x = 16+0.20x
subtract 16 from each side
14 +0.15x = 0.20x
subtract 0.15x from each side
14=0.05x
x = 14/0.05 = 280 minutes
280*0.15 = 42 +30 = $72
280 * 0.20 = 56 +16 = 72
280 minutes and cost $72 each
Step-by-step explanation:
Please help!! I'm super confused
Answer:
The tom brady question is
2.5
Step-by-step explanation:
40/16 = 2.5
The sum of three consecutive numbers is 60. What is
each number?
Write an equation:
Solve:
Need Help On Number 2
Help, find F x G F(x)=5x-5 G(x)=3x+9
Answer: Answer is below
Step-by-step explanation: Have a brilliant day-Lily ^_^
Students in a 6th grade class are raising money for an end-of-year camping trip. So far, they have raised $240. This is 2/5 of the cost of the trip. How much does the trip cost?
What is equivalent to -3(x-3)
Answer:
-3x+9
Step-by-step explanation:
find the sum of x^2 + 3x and 2x^2 + 9x + 5
Answer:
[tex] 3 {x}^{2} + 12x + 5[/tex]
Step-by-step explanation:
[tex](x^2 + 3x) + (2x^2 + 9x + 5) \\ \\ = x^2 + 3x + 2x^2 + 9x + 5 \\ \\ = {x}^{2} + 2 {x}^{2} + 3x + 9x + 5 \\ \\ = 3 {x}^{2} + 12x + 5[/tex]
Kyle found that
31/97 = 0.3196. Without doing any computation, explain how we know
that Kyle is wrong.
I need the answer really quickly!!!
Answer:
The answer actually rounds to 0.3196, but the computation is so long, we just count it as 0.3196. The real answer would be 0.31958762886.
Step-by-step explanation:
I have asked so many times and no one will answer. :(
1. Simplify each expression using the laws of exponents. Use the least number of bases possible and only positive exponents. When appropriate, express answers without parentheses or as equal to 1. All letters denote numbers. (1/2)⁷
2. Simplify each expression using the laws of exponents. Use the least number of bases possible and only positive exponents. When appropriate, express answers without parentheses or as equal to 1. All letters denote numbers. (1/11)⁻⁷
Answer:
1) [tex]\frac{1}{2^7}[/tex] ; 2) [tex]11^7[/tex]
Step-by-step explanation:
1) Using the Power of a Fraction Rule [tex](\frac{a}{b} )^x = (\frac{a^x}{b^x} )[/tex],
[tex](\frac{1}{2} )^7 = (\frac{1^7}{2^7} )[/tex], which can just be simplified to [tex]\frac{1}{2^7}[/tex].
2) Using the Negative Exponent Rule, [tex]a^{-x} = \frac{1}{a^{x}}[/tex],
[tex](\frac{1}{11} )^{-7} = \frac{1}{\frac{1}{11^7}}[/tex], which can be simplified to [tex]11^7[/tex].
Please help
How can you describe the graph of the equation y= mx + b? Explain
Answer:
mx is the slope. b is the y-intercept
Step-by-step explanation:
the first thing you should always do is identify your slope this is key for graphing. remember your slope is b so what ever b is you locate that point in the x axis.
then whatever your slope is remember that it is rise over run so say your equation is y=3x+5 you plot the point on the y intercept which is 5. now 3x is your slope so you put it as a fraction to make it easier this is what it looks like in a fraction "3/1" so you go up 3 on the graph and over 1 because of rise/run
If C = x + 6 and D = 3x - 6 + 4x2, find an expression that equals C + 3D in
standard form.
Help please
Answer:
12x²+10x-12
Step-by-step explanation:
x+6 + 3(3x-6+4x²)
x+6 +9x-18+12x²
12x²+10x-12
what is the equation of 5x-2y=8
Answer:
x=1.6+0.4y
Step-by-step explanation:
calculator
21. SCOOTER The scooter is on sale for 90% off the original price,
Which of the methods can you use to find the sale price which
method do you prefer?
Answer:
1.
Multiply $45.85 by 0.1
Multiply $45.85 by 0.9, then subtract from $45.85
2. One method requires only one step while the other requires two steps.