Answer: 12
Step-by-step explanation:
The constant of the expression is 12.
What is a constant?'A constant is a value or number that never changes in expression that is it's constantly the same.'
According to the given problem,
In the expression 3k + 12 , k is a variable. A variable is a quantity that may change with respect to the mathematical criteria.
If k = 1, the value of the expression is (3 × 1) + 12 = 15
k =2, the value is (3 × 2) + 12 = 18
But we can see that no matter the value of k is, the expression has to be added with 12.
Hence, we can conclude that since the value of 12 does not change irrespective of the changing values k, the constant of this expression is 12.
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A shirt costs x dollars. A sale offers a 8%
discount. What expressions can you write to show
the cost, after the discount?
How much would the shirt cost if the original price
was $75?
mathematical literacy
Answer:
hope that help
Step-by-step explanation:
Mathematical literacy is defined as: "an individual's capacity to formulate, employ and interpret mathematics in a variety of contexts. It includes reasoning mathematically and using mathematical concepts, procedures, facts and tools to describe, explain and predict phenomena.
PLz this is fr a quiz. There are forty - three walnut trees and thirty - four dogwood trees currently in the park. Park workers will plant more walnut trees today. When the workers are finished there will be sixty - five walnut trees in the park. How many walnut trees did the workers plant today ? explain in two sentence
are Equilateral triangles always acute triangles.
Answer:
Yes, they can only have acute angles (all measure 60°)
Step-by-step explanation:
Find the area of the shape
Three girls walked home together each day. They walked at a rate of 3 miles per hour. They left school each day at 3:35 pm. The first girl arrived home at 3:55 pm. The other two girls arrived home at 4:05 pm and 4:15 pm. What is the total number of miles walked by the three girls combined?
solved answer
Answer:
4.5
Step-by-step explanation:
first girl took 20 mins walking 1 mile
second girl took 30 mins walking 1.5 miles
third girl took 40 mins walking 2 miles
Mary has a garden shaped like the figure below. The drawing is not to scale.
22 ft
18 ft
18 ft
11 ft
14 ft
5 ft
What is the area of the garden?
Answer:
Step-by-step explanation:
Answer:
200
Step-by-step explanation:
14 x 5=70
22 x 4 = 88
14 x 6 =84
84/2= 42
70 + 88 + 42 = 200
A cylindrical tank of radius 2.5 feet is being drained of water at a rate of `0.25\ ft^{3}/\sec`. How fast is the height of the water decreasing?
Answer:
DONT PRESS THAT LINK
Step-by-step explanation:
The height of the water decreases at a rate of 0.012 ft/sec if a cylindrical tank of a radius of 2.5 feet is being drained of water at a rate of 0.25 ft³/sec.
What is a cylinder?In geometry, it is defined as the three-dimensional shape having two circular shapes at a distance called the height of the cylinder.
We know the volume of the cylinder is given by:
[tex]\rm V = \pi r^2 h[/tex]
It is given that:
A cylindrical tank of a radius of 2.5 feet is being drained of water at a rate of 0.25 ft³/sec
As we know,
The volume of the cylinder is given by:
V = πr²h
Let V is the water draining rate
V = 0.25 ft³/sec
The radius r = 2.5 feet
0.25 ft³/sec = π(2.5 feet)²(h)
h = [0.25/(2.5²π)] [ft³/(sec×feet²]
h = 0.012 ft/sec
Thus, the height of the water decreases at a rate of 0.012 ft/sec if a cylindrical tank of a radius of 2.5 feet is being drained of water at a rate of 0.25 ft³/sec.
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50 POINTS!
Match the symbols used in electric circuit diagrams to their functions.
Circuit Symbols Matching
1.
a device that converts electric energy into sound energy
2.
a device that provides energy to a circuit
3.
a device that glows when it receives current
4.
a device that starts or stops the flow of current
Answer:
im gussing sorry if its wrong :(
Step-by-step explanation:
1=a
2=d
3=b
4=c
HELP ASAP WILL BRAINLYIST
Which angles are alternate interior angles?
Angle3 and angle5
Angle1 and angle7
Angle3 and angle7
Angle 4 and angle5
Answer:
Angle 3 and Angle 5 are the alternate interior angles.
HELP PLS MIGHT GIVE BRAINLIST BUT ONLY IF 2 PEOPLE ANSWER!
PLS HELPPPPPP ME!!! ASAP
Answer:
2.5
Step-by-step explanation:
Let x be the number of hours both people baby sit and y be the number of hours that they each earn.
Sarah:
y = 10 + 2.5x
Carly:
y = 7.5 + 3.5x
You know that the number of hours should be the same (y).
10 + 2.5x = 7.5 + 3.5x
Evaluate and find x.
10 - 7.5 = 3.5x - 2.5x
x = 2.5
What is 30 % of 69.95
Answer:
20.985
Step-by-step explanation:
How do I calculate 30 percent off?
Take the pre-sale price.
Divide the original price by 100 and multiply it by 30.
Take this new number away from the original one.
The new number is your discounted value.
State if the triangles in each pair are similar. If so, state how you know they are similar and complete the similarity statement.
QRS ~ ____
a. similar, SAS, QLK
b.similar, AA, LQK
c. not similar
d. similar, SSS, LQK
Answer:
. similar, AAA QLK
Step-by-step explanation:
<K=<L base angle of isosceles triangle
<R=<S base angle of isosceles triangle
<KQL=<RQS vertically opposite angle
so
<K=<L=<R=<S
so
∆QRS~QLK by AAA axiom
for similar all the corresponding angle should be equalMegan Sold 3 times as many concert tickets this week as she did last week. They sold 69 tickets this week. How many did she sell the week before
Answer: 23 is how many she sold last week.
Answer:
23
Step-by-step explanation:
3 times 23 is 69
Help please someone please
Answer:
i dont know im just doing this for the points
2 ft 10 inches of 3 1/2 ft
Answer0.7
Step-by-step explanation:In math of mostly means to multiply ,so 2/10x3 1/2=0.7
Which word phrase has the same meaning as y+7
7 added to a number, 7 plus a number, 7 and a number, etc. It's written in many ways.
---
sorry if this doesn't help
Answer:
also you can do the sum of y and 7 or y increased by 7
7 added to y
James is twice as old as Hannah. Four years from now, the sum of their ages will be 41. How old are they now?
A box in the shape of a rectangular prism has the dimensions shown. What is the length of the interior diagonal of the box? Round to the nearest tenth. Enter your answer in the box.
A rectangular prism 60 centimeters wide, 80 centimeters long, and 100 centimeters tall.
Answer:
i think it is 141.4
Step-by-step explanation:
help me with this question!
Answer:
it will cost him £2.38
Step-by-step explanation:
bc you first multiply 4.25kg with £1.40 and that equals to 5.95
then you take 5.95 and devide it with 2.5 kg then that equals to £2.38.
I hope that this helped you.
Solve 4c + 10 = 2. A. c = 2 B. c = -3 C. c = 3 D. c = -2
Answer:
d.c=-2
Step-by-step explanation:
Answer: A. c=-2
Step-by-step explanation:
4c + 10 = 2
4c = -8
c = -2
I needddd helpppppppppppooopp urgentttttt will mark brainliest
Solve the following equation for x
a. x=1
b. x=2
C. X=-1
d. x=-2
Answer:
Factor using difference of cubes and set each factor equal to
0 . x = − 1 ,1 + i √ 3 2, 1 − i √ 3 2
Step-by-step explanation:
D i think
PLEASE HELP I WILL GOVE BRAINIEST
Answer: the answer is x<-4 so the correct answer choice would be D
Step-by-step explanation: Hope this helps :)
Answer:
D: x<-4
Step-by-step explanation:
Divide -3 by 12 to find x.
Both questions plssssssss
Answer: 4 and 1/4
Step-by-step explanation:
1st question is 4-- count the points that fall above the line
2nd question is 2 out of 8, or 1 out of 4
there are only 2 players who played at least 17 matches AND scored about 5000. There are 8 players who played at LEAST 17 matches
Answers:
1. 4
2. ¼
Explanations:
1. the question is asking how many players were awarded more points than the prediction of the line of best fit (trend line), which can be translated to how many dots are above the line on the graph. 4 dots can be counted above the line
2. 8 players played at least 17 tournaments. of these 8 players, only 2 scored more than 5000 ranking points.
thus, to find the probability, we take 2 ÷ 8 = ¼
i hope this helps! :D
Find the exact value of the trigonometric function.
cos( 2pi/35 )
[tex]cos(\frac{2\\pi }{35} )\\[/tex]≈0.98392958...
may kapangyarihan bilang pinakamataas na hukuman sa kolonya
Answer:
which language is this .
The triangle below is isosceles. If ∠C≅∠B, then what is BC, in units?
Answer:
Step-by-step explanation:
If angles C and B have equal degrees then the side AC is also equal to side AB in length and you can make their equations equal as well and solve for X.
2x+16=7x+6
get X's all on same side and the constants all on the other side,
-2x +2x+16=7x+6+-2x
The X's on the left cancel out.
16=5x+6
-6+16=5x+6+-6
add -6 to each side. On the right the 6 is now cancelled out.
10=5X
divide each side by 5 to cancel out the 5
10/5= 5X/5
2=X . ANSWER
The SAT and ACT college entrance exams are taken by thousands of students each year. The mathematics portions of each of these exams produce scores that are approximately normally distributed. In recent years, SAT mathematics exam scores have averaged 480 with standard deviation 100. The average and standard deviation for ACT mathematics scores are 18 and 6, respectively. (a) An engineering school sets 560 as the minimum SAT math score for new students. What percentage of students will score below 560 in a typical year
Answer:
78.814%
Step-by-step explanation:
mean, = 480 points.
standard deviation, σ = 100 points.
If 560 is the minimum score, x = 560. We want the % of students who will score BELOW that. Use the formula for z-scores: [tex]z = \frac{x-u}{standard deviation}[/tex] to get the z score: (560-480)/(100) = 0.8.
Using a z-score table: the value under 0.8 is 78.814%.