Answer:
+
Step-by-step explanation:
++ = +
+- = -
-+ = -
-- = +
Example:
-1 x -1 = 1
1 x -1 = -1
Find the area of a square with the side lengths of (1/2x+2)
Answer: There are no like terms
Step-by-step explanation:
If y = x + 3, what is y if x = 4?
Answer:
7
Step-by-step explanation:
y = x+3
y = 4+3
y = 7
brainlist plz
Can someone please help me with this problem please?
Answer:
6.86
Step-by-step explanation:
ask if you dont understand
HELP ASAP!!!! HELP HELP
Answer:
proportional
Step-by-step explanation:
Answer:
I'm 99% sure it's Non-Proportional
Step-by-step explanation:
If you were to convert each of them into fractions and simplified them, they wouldn't be equivalent.
You expected to walk 80 km in a day. You walked only 75 km. What was the percentage error?
596
6.25%
6.6796
93.3396
Answer:
Um my answer is 6.66666666667, so you could use this to help you (sorry i didn't get actual answer)
Step-by-step explanation:
Your parents are building a pool that is 7 ft wide and 12 ft long. They want to put a walkway around the pool that is x ft wide on all sides. Write a polynomial that represents the combined area of the pool and walkway. Answer needs to be in standard form and use x as your variable.
Answer:
25 /12*6 =12.5
Step-by-step explanation:
thats what i got
Piper has a flower shop. She started the week with 320 flowers. Each day she sells half of the flowers in her shop.
Which graph shows the exponential decay described?
320
280
240
Flowers 200
Left
160
120
80
40
320
280
240
Flowers 200
Left
160
120
80
40
OA
Oc.
0 1 2 3 4 5 6
Days
0 1 2 3 4 5 6
Days
320
280
240
Flowers 200
Left
160
120
80
40
320
280
240
Flowers 200
Left
160
120
80
40
OB.
OD
0 1
2 3 4 5 6
Days
0 1 2 3 4 5 6
Days
Answer:
Step-by-step explanation:
the answer is C! i’m doing this right now as well
Solve this equation: b - 120 = 80
What is the value of b? (what is b)
Answer:
b=200
Step-by-step explanation:
Cancel -120 from both sides by adding 120 to the other side:
b=80+120
b=200
Answer:
b= 200
Hope it helps, if not, I'm so sorry.
12. Find the values of x, y, and z.
(1 point)
Answer:
b. x = 80, y = 100, z = 63
Step-by-step explanation:
0.01 × 0.001
answer This
Answer:
0.00001
Step-by-step explanation:
Be prepared!!! Help please!!!! What is 1/3x 3.14x6^2x11 equal????
mr. knox's rent during the past year amounted to $2700 per year. His rent was 20% of his income. find his income fo the last year.
Answer:
$13,500
Step-by-step explanation:
20% is 1/5, so to figure out his income we multiply 2700*5=13500
Answer:
$13,500
Step-by-step explanation:
Fraction: 20/100 = 2700/x
Find x
20x=270000
Divide 20 by both sides
X=13,500
NEED HELP WITH MATH !
Answer:
1.50 liter/hr
Step-by-step explanation:
using;
[tex] \frac{6 - 3}{4 - 2} [/tex]
=3/2= 1.50 liter/hr
Simplify (n-1) + n
Easy.
Answer:
2n - 1
Step-by-step explanation:
you add the 2 ns to get 2n then you add the 1 to the equation to make
2n - 1
The sales tax in a major city is 7%. Find the cost, including the tax charged on a purchase of $200.
Answer:
$214
Step-by-step explanation:
200*0.07 = 14, 200 + 14 = 214
Together, the areas of the rectangles sum to 30 square centimeters.
3 cm
2 cm
cm
y cm
1. Write an equation showing the relationship between 3 and y.
Type the equation in the box below.
I
Answer:
3x+2y
Step-by-step explanation:
Find the rectangles attached
Area of a rectangle = Length * Width
A = A1+A2
given
A = 30cm²
A1 = 3 * x
A1 = 3x
A2 = 2*y
A2 = 2y
Substitute
30 = 3x+2y
Hence the required equation is 3x+2y = 30
Answer: 3x + 2y = 30
Step-by-step explanation:
A = L x W
The sum of the rectangle is 30.
One angle is 3 and x, the other one is 2 and y.
Multiply 3 with x = 3x.
Multiply 2 with y = 2y
Then create your equation plugging in 30 as the answer to 3x + 2y
Mr. P mowed 2/7 of his lawn. His son mowed 1/4 of it who mowed the most how much of the lawn still need to be mowed. Solve using the RDW strategy
plzzz help meh I WILL MARK 50 points!!!!!!
Answer:
Step-by-step explanation:
1/3
Simplify: 2(10) + 2(x - 4)
Answer:
2x+12
Step-by-step explanation:
Multiply the numbers
2*10+2(x-4)
Distribute
20+2x(x-4)
20+2x-8
Subtract the numbers
20+2x-8
12+2x
Rearrange terms
2x+12
1. What is the formula for Pythagorean Theorem
2. What does the A represent
3. What does the B represent
4. What does the C represent
5. Pythagorean Theorem can be used with what SPECIFIC shape?
6. If A= 4, and B = 5, what is length of the hypotenuse? Show all work
Answer:
The formula is a^2 + b^2 = c^2
Step-by-step explanation:
A and B are legs and C is the hypothunisis.
The theorem is used for triangles.
4^2 + 5^2 = c^2
16 + 25 = c^2
41 = c^2
sqr(41) = sqr(c)^2
c = 6.403124237
Write an equation in slope-intercept form that passes through (5, -8) and runs perpendicular to y = 5/2x + 4
y= (-2/5)x-6
Step-by-step explanation:
the slope of the line perpendicular the the given line is found by the formula m1.m2= -1 hence m2= -2/5
using the slope-intercept form
y+8= -2/5(x-5) y= (-2/5)x-6
After a 40% discount, the cost of a sofa is $471.00. What was the original cost of the sofa? NEED HELP ASAP
Answer: $659.40
Step-by-step explanation: You start with 471.00 X 0.4 which equals $188.40. So then you add $471.00 and $188.40 and you get $659.40!
The percentage is calculated by dividing the required value by the total value and multiplying it by 100.
80% = $471
100% = $588.75
The original cost of the sofa is $588.75
What is a percentage?The percentage is calculated by dividing the required value by the total value and multiplying it by 100.
Example:
Required percentage value = a
total value = b
Percentage = a/b x 100
We have,
Original cost in percentage = 100% ____(1)
Cost after 40% discount = $471
This can be written as,
80% = $471 _____(2)
From (1) and (2) we get,
80% = 471
Multiply 100/80 on both sides,
100/80 x 80% = 100/80 x 471
100% = $588.75
Thus,
80% = $471
100% = $588.75
The original cost of the sofa is $588.75
Learn more about percentages here:
https://brainly.com/question/11403063
#SPJ2
PLZ HELP WILL MARK BRANLIEST
What events in Hitler Youth have impacted individuals or ideas?
Answer:
Hitler Youth, founded in 1926, young children were taught how to use weapons and how to kill. This could have had a psychological effect on their developing minds. They were also taught the ideals and values of Hitler. They were taught that the ideal way to be was cis, straight, Christian, white, blonde, and blue eyes. Some children didn't possess these qualities negatively affecting the way they view themselves and those who did possess these traits dramatically looked down on others. The purpose of the Hitler Youth was to train children to be prepared to give their lives for their country.
Step-by-step explanation:
help I can’t do basic math skjsjdmdmx
Answer:
2/8 which simplifies to 0.111111
Step-by-step explanation:
What is another name for the height of a prism or a pyramid?
A. Altitude
B. Length
C. Base
D. Lateral face
Answer:
A . altitude
Step-by-step explanation:
Examine the linear graph to find the slope , y-intercept, and write the equation for this linear relationship
Answer:
The slope of the line is: [tex]m=-\frac{1}{2}[/tex]
The y-intercept b = 3
The slope-intercept equation of the line is: [tex]y\:=\:-\frac{1}{3}x+3[/tex]
Step-by-step explanation:
Taking two points from the given graph
(0, 3) and (6, 0)
Determining the slope m
The slope between (0, 3) and (6, 0) using the formula
[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]
where m is the slope between (x₁, y₁) and (x₂, y₂)
In our case,
(x₁, y₁) = (0, 3) (x₂, y₂) = (6, 0)now substitute (x₁, y₁) = (0, 3) and (x₂, y₂) = (6, 0) in the slope formula
[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]
[tex]m=\frac{0-3}{6-0}[/tex]
[tex]m=-\frac{3}{6}[/tex]
[tex]m=-\frac{1}{2}[/tex]
Thus, the slope of the line is: [tex]m=-\frac{1}{2}[/tex]
Determining the y-intercept (b)
The slope-intercept form of the line equation is given by
[tex]y = mx+b[/tex]
where
[tex]m[/tex] is the slope[tex]b[/tex] is the y-interceptFrom the graph, we can figure out the y-intercept by checking the value of y at x = 0.
If we closely check the graph, at x = 0, the value of y = 3
Therefore, the y-intercept b = 3
Slope-intercept Equation
We already know that the slope-intercept form of the line equation is
[tex]y = mx+b[/tex]
substituting b = 3 and m = -1/2
[tex]y\:=\:-\frac{1}{2}x+3[/tex]
Therefore, the slope-intercept equation of the line is: [tex]y\:=\:-\frac{1}{2}x+3[/tex]
The graph is also attached below.
what does this equal 12*5*6*100*67*82*200*419*638*35*134
Answer:
4.959395e+19
Step-by-step explanation:
12*5*6*100*67*82*200*419*638*35*134 = 4.959394955x10^19
you can always use a calculator for these large calculations
The capacity of Dr Khan's oil tank is 1,200 litres.
There are currently 650 litres of oil in the tank.
Oil costs 77.2p per litre.
Dr Khan gets a 5% discount on the price of oil.
How much does it cost Dr Khan to fill the oil tank?
Answer:
it costs = 40337p
Step-by-step explanation:
a) 1200 - 650 = 550L
b) 77.2p - 77.2 x0.05 = 73.34p per litre
c) the total money it costs to be filled the the oil tank by Dr Khan is 73.34 x 550L = 40337
what place value is 7 in 7,000.2
Answer:
thousands place
Step-by-step explanation:
Have a nice day
WILL MARK BRAINLIEST!!!
This is a continuation to the other question
Answer:
m=86 degrees
x=98 degrees
Step-by-step explanation:
1:
the angles of a triangle are 180
180-71-23=86
m=86
2:
the angles of a triangle are 180
180-52-30=98
x=98
hope this helps and is right!
Paula is the student council member responsible for planning an outdoor dance. Plans include hiring a band and buying and serving dinner. She wants to keep the ticket price as low as possible to encourage student attendance while still covering the cost of the band and the food.
Question 1: Band A charged $600 to play for the evening and Band B changers $350 plus $1.25 per student.
Write a system of equations to represent the cost of the two bands.
Answer:
Plans include hiring a band and buying and serving dinner. She wants to keep the ticket price as low as possible to encourage student attendance while still covering the cost of the band and the food. Question 1: Band A charged $700 to play for the evening and Band B changers $550 plus $1.50 per student.
Step-by-step explanation: