Answer:
14x-2
Step-by-step explanation:
In order to find the perimeter we need to add the length and width together. So adding 5x and 9x gives us 14x. -4+2=-2
The perimeter of a rectangle with a length of 9x - 4 and a width of 5x+2 is, 28x-4
What is the perimeter?Perimeter is a mathematical term, which means total outer boundary of a figure, we define it only for two dimensional figures.
Perimeter = Sum of length of the all the sides
Given that,
length of rectangle = 9x - 4
width of rectangle = 5x+2
As we know,
Perimeter = Sum of length of the all the sides
Perimeter = (9x - 4) + (5x+2) + (5x+2) + (9x - 4)
Perimeter = 28x-4
Hence, The perimeter is 28x-4
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If JKLM is a rectangle, JL = 2x + 5, and MK = 7x – 40, find MK
Answer:
MK = 23
Step-by-step explanation:
Rectangle means that the angles are all 90 degrees, so all the sides are not tilted in any direction. Meaning the JL = MK, therefore:
2x + 5 = 7x - 40
subtract 5 from both sides
2x = 7x - 45
subtract 7x from both sides
-5x = -45
divide by -5
x = 9
Now input 9 into the equation
MK = 7(9) - 40 = 63 - 40 = 23
The value of MK is 23.
We would need to apply our knowledge of the property of rectangles to solve the given problem.Recall:The diagonals of a rectangle that intersect each other are equal (a property of a rectangle).
Thus:[tex]JL = 2x + 5 $ (given)\\\\MK = 7x - 40 $ (given)[/tex]
Therefore:
[tex]JL = MK[/tex] (diagonals of rectangle JKLM)Substitute[tex]2x + 5 = 7x - 40[/tex]
Collect like terms[tex]2x -7x = -5-40\\\\-5x = -45[/tex]
Divide both sides by -9[tex]x = 9[/tex]
Find [tex]MK[/tex]:[tex]MK = 7x - 40[/tex]
Plug in the value of x[tex]MK = 7(9) - 40\\\\MK = 63 - 40\\\\MK = 23[/tex]
Therefore, the value of MK is 23.Learn more here:
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2p - 3q - 4r + 6r -2q + p
2p - 3q - 4r + 6r - 2q + p = 0
2p + p - 3q - 2q - 4r + 6r = 0
3q - 5q + 2r = 0
What is the circumference of the circle
A. 18.84
B. 17.6
C. 21.79
D. 15.65
Answer:
18.84
Step-by-step explanation:
The formula for circumference is 2(pi)r, I think. The radius is 3. 3 times 2 is 6. 6 times 3.14 is around 18, I think.
hope this helps
Answer:
A
Step-by-step explanation:
If a factory can produce 25,000 gears in 1 day, how many gears will it produce in 3 days?
Answer:
75,000 gears
Step-by-step explanation:
a college spends 40% of an individual's tuition on salaries and the remainder on other costs if they spend 1,800 on other costs how much is an individual's tuition?
Answer:
$3000
Step-by-step explanation:
If the remainder is spent on other costs, then that means 60% of the tuition as spent on other costs.
To find the total tuition, divide 1800 by 0.6:
1800/0.6
= 3000
So, their tuition was $3000
what is absolute vaule of -13
Answer:
i believe those line by it mean the opposite of so the answer would be 13
Answer:
13
Step-by-step explanation:
The absolute value is the distance of a number from 0. In this case it is 13. Hope this helps!! :)
Jamar spent $5.60 on 5 bags of Doritos The neighborhood store. how much did each bag of chips cost?
Answer:
5!60
Step-by-step explanation:
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A car is traveling at a constant speed of 55 miles per hour. Using m for miles and t for time, write 2 equations to represent this situation. One equation to solve for miles and the other equation to solve for hours.
Answer:
m = 55t
t = m/55
Step-by-step explanation:
According to the formula for calculating speed expressed as;
Speed = distance/time
Given;
Distance = 55mph
required:
distance as a function of t
time as a function of distance m
If distance is m and time is t
From the formula;
55 = m/t
m = 55t
Hence the equation to solve for miles m is m = 55t
To get t, we will cross multiply from 55 = m/t;
55t = m
Divide both sides by 55
55t/55 = m/55
t = m/55
Hence the equation to solve for time in hours is t = m/55
A microwave originally costs $96, but is marked up to a price of $115.20. What is
the percent increase?
Answer:
20% increase
Step-by-step explanation:
I am just talking to answer but yes I am sure
The cost for an order of 100 kilograms of steel bars is $230. The cost for an order of 150 kilograms of steel bars is $320. Write an equation for the cost of an order of steel bars (y) in terms of the weight of steel bars ordered (x). Show or explain how you found your equation.
Answer:
y = 9x/5 + 50
Step-by-step explanation:
We are represent the information as coordinate (x,y)
If the cost for an order of 100 kilograms of steel bars is $230, this is expressed as (100, 230)
Also if the cost for an order of 150 kilograms of steel bars is $320, this is expressed as;
(150, 320)
Find the equation of a line passing through the points. The standard form of the equation is expressed as y = mx+c
m is the slope
c is the intercept
Get the slope;
m = y2-y1/x2-x1
m = 320-230/150-100
m = 90/50
m = 9/5
Get the y-intercept by substituting m = 9/5 and any point say (100, 230) into the expression y = mx+c
230 = 9/5(100)+c
230 = 9(20)+c
230 = 180 + c
c = 230-180
c = 50
Get the required equation
y = mx+c
y = 9/5 x + 50
Hence an equation for the cost of an order of steel bars (y) in terms of the weight of steel bars ordered (x) is y = 9x/5 + 50
the slope and y intercept of y=-8x
Answer:
m = -8
b = 0
Step-by-step explanation:
In slope intercept form [ y = mx + b ], m = slope and b = y-intercept.
We aren't given a b value, but we are given a m value which is -8.
Best of Luck!
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Daniel can spend no more than $40 at the fair. If admission into the fair is $10 and the rides cost $1.50 each, which inequality represents the greatest number of rides Daniel can go on?
A. 10r + 1.50 ≥ 40
B. 1.50r + 10 ≤ 40
C. 1.50r + 10 <40
D 10r+1.50<40
Explain your reasoning and solve the inequality :
Answer:
B
Step-by-step explanation:
The sum spent has to be either equal to or less than 40. So r many rides, each of them being 1.50, plus 10 dollars has to equal to less or equal to 40 dollars.
Answer:
The answer is B
The greatest number of rides Daniel can go on is 20.
Step-by-step explanation:
Total: The same or less than 40
Fair Admission: 10
ride: 1.50x
40 ≤ 10 + 1.5r
To solve:
40 ≤ 10 + 1.5r
40 - 10 ≤ 10 + 1.5r - 10
30 ≤ 1.5r
30 ÷ 1.5 ≤ 1.5r ÷ 1.5
20 ≤ r
The greatest number of rides Daniel can go on is 20.
I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!
through: (-3, -4) and (2, 1)
Answer:
y = 1x - 1
Step-by-step explanation:
[tex]\frac{y2-y1}{x2-x1}\\\frac{1-(-4)}{2-(-3)}\\\frac{1+4}{2+3}\\\frac{5}{5}=1\\y=1x+b\\1=1(2)+b\\1 = 2 + b\\-1 = b\\y = 1x-1[/tex]
I NEED HELP PLS!! i am so confused on what to do if you can explain that would be awesome!
Answer:I am pretty sure that it is that you add 26 and 71 and then subtract it by 180 and then the other one is across so it would be the same answer so it would be 83
Step-by-step explanation: I hope this helped
Quadrilateral JLKM has vertices j(7,9),k(0,-4),L(2,2), and M (5,-3).If the figure is reflected across the line y=x,What are the coordinate of M
plant rice Step-by-step explanation:
put water in bole put grass throw rice and make rice
Evaluate: 461 ÷ 10 to the third power
Answer:
461 divided by 10^3 is 0.461.
Step-by-step explanation:
Hope this helps and I hope u have an Amazing day!!
I need help ASAP please!!
Answer:
hjkiiijhhhhhijiuytttuuuyhh
i will love uu forever if uu answer dis for me
Answer:
the answer is 2...........jpjpjp ion knowwwwwwwww
Step-by-step explanation:
Bye guys see you after the break!
What makes people float?
Answer: majic makes people foeat
Step-by-step explanation: i eat gatorade
Answer:
Pennywisee
Step-by-step explanation:
Identify the angle pair from the diagram above: <1 and <5
Linear Pair
The company plans to have the tanks painted after they are installed. Describe the effect that doubling the diameter has on the amount of paint needed to paint the tanks. What happens when the diameter is increased by a factor of 3?
Answer:
The effect of doubling the diameter is increased the area to paint as 4 times. So, paint needed is 4 times than it was before. And the area is increased by 9 times when the diameter is increased by a factor of 3. So, paint needed is 9 times than before.
Step-by-step explanation:
Please remember the concept
If side lengths are in the ratio a : b
Then the area are in the ratio of a^2 :b^2
The volume are in the ratio of a^3 :b^3,
When diameter is doubled, the area ratio becomes [tex]x^{2} :(2x)^{2}[/tex] which is simplified to [tex]x^{2} :4x^{2}[/tex]
So, the area is increased by 4 times.
According to this concept , the diameter is increased by the scale factor 3.
Let the diameter of tank is 'x', so the diameter becomes "3x"
So, it's area ratio would be [tex]x^{2} :(3x)^{2}[/tex]
If we simplify it we get [tex]x^{2} :9x^{2}[/tex]
We conclude that area to be increased by 9 times.
-6(x-3)
pls help me....
Answer:
−6x+18
Step-by-step explanation:
-6(x-3)
(−6)(x+−3)
=(−6)(x)+(−6)(−3)
=−6x+18
Answer:
18 - 6x
Step-by-step explanation:
According to the distributive property:
-6(x-3) =
-6*x + -6*-3 =
-6x + 18
Find the equation in slope-intercept form that describes each line.
a line with slope –2 and y-intercept 4
A. y = –2x
B. y = 2x – 4
C. y = –2x + 4
D. y = 4x – 2
Having trouble,Whats 1/3 (-2/4)
Answer:
-1/6
Step-by-step explanation:
im assuming you meant multiply them? if so then
1 -2 -2 -1
--- * --- = --- = ---
3 4 12 6
or
1/3=4/12 and -2/4=-6/12
4/12*-6/12=-24/144=-1/6
Answer:
-1/6
Step-by-step explanation:
just multiply 1/3x2/4=
and then in front of the answer put the negative sign
PLEASE ANSWER THESE! First person to do it gets brainliest!
LENGTH:
1. What is the basic unit for length? ______________
2. Circle the best unit for measuring each distance:
a. Thickness of an eyelash: mm cm m
b. Length of a pencil: cm m km
MASS:
3. What is the basic unit for mass? ______________
4. Circle the best unit for measuring each mass:
a. Amount of spices in a batch of cookies: mg g kg
b. Your mass: mg g kg
c. Mass of 10 pennies: mg g kg
VOLUME:
5. What is the basic unit for volume? _______________
6. Circle the best unit for measuring each volume:
a. Amount of soda in 1 can: mL L
b. Water in a bathtub: mL L
5.712 g =_______________ kg
222.7 L =_______________ dL
16.45 m =_______________ cm
39.56 g =_______________ mg
10.5 g =_______________ dkg
3.54 mg =_______________ dg
28.6 g =_______________ hg
910 m =_______________ dm
0.006700 kg =_______________ cg
5.44 m =_______________ cm
15.82 mL =_______________ cm3
Marcus has earned 353 out of 400 points in Math class. What grade did Marcus make in his math class? (Round grade to the nearest tenth of a percent)
Answer:
an 88.25
Step-by-step explanation:
well 88%
1.
Mark translated trapezoid A B C D to trapezoid A prime B prime C prime D prime Vertex B was at (4, 3) . If B prime is now at (-2, 2) , what did he have to do to get there?
move 6 units left and 1 down
move 2 units down and 1 left
move 6 units down and 1 up
move 5 units right and 6 left
Markers were placed at altitudes of 10 and 15 feet below sea level.
Enter the integer that represents the altitude closer to sea level.
Helppppppppp please
Answer:
|10|
Step-by-step explanation:
Since 10 is negative (below the sea level), 10 is 10 spaces away from zero on the number line, meaning your answer is |10|.
Tickets to a concert cost $20 each.*
Choose
Discrete
Or
Continuous
plz answer will mark first person brainliest
An architect is using the scale 10 feet = 1 inch. If the actual length of the room 65 feet, what will be the length of the scaled copy?
Answer:
6.5 inches
Step-by-step explanation:
you would divide 65 by 10 feet to get the answer in inches which is 6.5