Answer:
Four less than a unknown variable- C) y-4
Quotient of a variable and four- E) z÷4
some number to the power of four- B) a^4
Four times an unknown value- D) 4x
Four more than some number- A) B+4
Step-by-step explanation:
The final answers are:
Four less than an unknown value C) y-4
Quotient of a variable and four E) Z/4
Some number to the power of four B) a⁴
Four times an unknown value D) 4x
Four more than some number C) b+4
What is Algebraic expression?An algebraic expression (or) a variable expression is a combination of terms by the operations such as addition, subtraction, multiplication, division, etc.
Let's analyze each statement separately:
- Four less than an unknown value --> this means that we have to subtract 4 to an unknown value. Calling the unknown value, it means we have to write y-4
- Quotient of a variable and four --> this means we have to divide a variable by 4. Calling the unknown variable, it means we have to write
z/4
- Some number to the power of four --> this means that we have to write the power of a number, in the form , where m in this case is equal to 4. Calling the unknown number, it means we have to write a⁴
- Four times an unknown value --> this means that we have to multiply an unknown value by 4. Calling our unknown values, we have to write 4x
- Four more than some number --> this means we have to add 4 to an unknown number. Calling the unknown number, it means we have to write b + 4
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help
please help me.
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Two fair dice are rolled.
What is the probability that the first lands on a 6 and the second lands on a oddnumber? Write your answer in simplified fraction form.
Answer:
1/12
Step-by-step explanation:
1/6 times 1/2 is 1/12
1/6 because if the first number is 6 then it is 1/6 since there are only 6 of them
1/2 because there are 3 odd numbers and 3/6 is simplify to 1/2
Answer:
1 1/2
Step-by-step explanation:
1/6*1/2
What is the value of x?
Answer:
B. 85*
Step-by-step explanation:
1. Understand that a triangle always has the additive degrees of 180.
2. Use x+55+40=180, to isolate x, subtract 55 and 40 from 180.
3. You get x = 85.
Answer:
B. 85 degrees
Step-by-step explanation:
According to the Triangle Sum Theorem, all the angles inside a triangle equal 180 degrees. The work is below:
180-40-55=85. The angle missing is 85 degrees.
Brainliest plz!!!
The sum of two consecutive integers is 77. Find the integers.
Answer:
38 and 39
Step-by-step explanation:
Since the two integers are consecutive, then one is one larger than the other. Therefore, lets call them x and x+1. We can now set up the following equation:
x+(x+1)=77
2x+1=77
2x=76
x=38
x+1=39
Hope this helps!
Answer:I believe it is 39 and 38
Step-by-step explanation:
x + (x+1) = 77
2x = 76
x = 38 (1st number)
x+1 = 39 (2nd number)
in 2009, a gullop poll found that 47% of Americans favored protection of the environment at the risk of limiting energy supplies, while 46% favored the development of u.s energy supplies even if that risked harming the environment. Another 3% felt that energy and the environment were equally important. a) based on the poll, whats the probability a person had "no opinion"? b) Whats the probability of that a respondent rated protecting the environment as equally important or more important than developing energy sources
Answer:
your
Step-by-step explanation:
welcome
Can somebody answer this.
Answer:
J-12-16KL(-12, -16)MOSorry. I cannot really the points and graphs clearly.
I hope I helped you! If my answer is correct, please mark me brainiest. Thanks!
А
B
(4x + 5)
Quadrilateral ABCD is inscribed in a circle,
What is the measure of angle A?
Enter your answer in the box
(x + 15)
mŁA =
Answer:
mLA=133 degrees
Step-by-step explanation:
4x+5+x+15=180
5x+20=180
5x=160
x=32
4(32)+5=128+5=133
If Paul answer six questions out of 15 test questions correctly what percent of his test questions did he answercorrectly
So the right answer is 40%
look at the attached picture
Hope it will help you
Good luck on your assignment
Triangle ABC is the pre-image and Triangle ADE is the image. What transformation took place?
a. Reflection
b. Translation
c. Dilation
d. Rotation
Answer:
translation...........
Answer:
Dilation
Step-by-step explanation:
A dilation is a type of transformation that changes the size of the image. The scale factor measures how much larger or smaller the image is.
In this example, ΔABC is dilated as seen in the picture because it the picture itself got bigger.
The image, ΔADE is now a dilated version of the pre-image ΔABC
There is an attachment provided to support this answer.
What is the quotient of 91.5 ÷ 2.44?
Answer:
37.5
Step-by-step explanation:
(5ab-4a-8) - (9ab-5)
Answer:
Step-by-step explanation:
-4a-4ab-3
Answer:
-4ab+-4a+-3
Step-by-step explanation:
(5ab-4a-8)-(9ab-5)
distribute the negative sign
=5ab-4a-8+-1(9ab)+(-1)(-5)
=5ab+-4a+-8+-9ab+5
combine like terms
=(5ab+-9ab)+(-4a)+(-8+5)
=-4ab+-4a+-3
30 POINTS TO WHOEVER HELPS WITH THIS I NEED IT ASAP PLEASE HELP
Answer:
4a ) Difference ⇒ $ 63.24,
4b ) 4 children
Step-by-step explanation:
4a ) If the number of children is represented by the value of x, let us substitute a family of 2 children as value of x into this equation we are given;
y = 21.08 * ( 2 ) + 85.15 ⇒ Multiply 21.08 by 2,
y = 42.16 + 85.15 ⇒ Combine like terms,
y = 127.31
If y ⇒ amount spent on grocery's, let us solve for the amount spent on 5 children, and subtract from this amount;
y = 21.08 * ( 5 ) + 85.15 ⇒ Multiply 21.08 by 5,
y = 105.4 + 85.15 ⇒ Combine like terms,
y = 190.55
Difference; 190.55 - 127.31 = 63.24,
Solution; Difference ⇒ $ 63.24
4b ) If the amount is $ 169.47, let us plug it into our given equation provided amount spent on groceries ⇒ y;
169.47 = 21.08x + 85.15 ⇒ Subtract 85.15 from either side of equation,
21.08x = 84.32 ⇒ Divide either side 21.08,
x = 4 children
Solution; 4 children
If f(x) = 3x + 7, find:
f(-2) = [ ? ]
Answer:
1
Step-by-step explanation:
Plug in -2.
f(x) = -6+7
f(x) = 1
The value of the given function when x is -2 is 1.
What is a function?A function is defined as a relation between a set of inputs having one output each.
Given a function, f(x) = 3x + 7
Put x = -2.
f(-2) = -6+7
f(-2) = 1
Hence, The value of the given function when x is -2 is 1.
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help please! 40 points :)
hi hi hi hi hi hi hi hi hi
Answer:
dont lie to people
Step-by-step explanation:
PLZ I NEED HELP WITH THIS PROBLEM!
Answer:
Q3= 66.5
Step-by-step explanation:
median= 61.5
Q1= 56.5
Q3= 66.5
(65+68)/2= 66.5
The probability of winning a game is 0.7. If you played this game 40 times, how many times would you expect to win?
Answer:
28 times
Step-by-step explanation:
Just multiply 0.7 by 40
I DESPERATELY NEED YOUR HELP!! A cat gets stuck on the roof. If the latter is 12 feet long and must be placed 7 feet away from the building. How high can the ladder reach up the building to save the cat
Answer:
84
Step-by-step explanation:
Answer:
your answer is 9.7 feet
Step-by-step explanation:
you apply Pythagorean theorem [tex]a^{2} +b^{2} =c^{2}[/tex] since you are looking for height you can subsitute x for a or b and since 12 is the largest number this will be your c which is your hypotneuse and 7 will be subsituted as a or b depending on what letter you used as your x value [tex]7^{2} +b^{2} =`12^{2}[/tex] is equal too 49 +b^2 =144 you then subtract 49 on both sides to isolate your x (b) and this gets you 95 and then you find the square root of 95 which is 9.7
What value(s) of x make the following expression undefined? x^2+ 1
2x − 4
Type only value(s) that should be excluded from the solution set.
Answer:x=2
Step-by-step explanation: 2x-4=0
2x-4=0
+4 +4
2x=4
2x/2=4/2
X=2
Nadine promised to meet her friend at a store but she forgot which store. There are five
stores in town. What is the probability that Nadine will go to the right store first?
B
0.20
A
0.16
D
1.00
С
0.80
Answer:
.2 chance of going to the right store
Step-by-step explanation:
Five stores, and she is to meet a friend at one. One store is the right one so it is 1 out of 5, or 1/5. This equals 20%
In decimal it is a .2 chance of Nadine going to the right store
Hope this helps!
can someone please help me!!
Answer:
c÷4=35
Step-by-step explanation:
cost as a whole divided by 4 friends.
Answer:
c/4=$35
Step-by-step explanation:
35(4)=c, so c/4=35
Giving brainliest to whoever helps me.
Answer:
w = 2.5 cm
Step-by-step explanation:
The area (A) of the triangle is calculated as
A = [tex]\frac{1}{2}[/tex] bh ( b is the base and h the height )
Here b = 5 and h = 6, thus
A = 0.5 × 5 × 6 = 15 cm²
Thus the area of the rectangle is 15 cm²
A = lw ( l is the length and w the width )
Here l = 6 and w is to be found
6w = 15 ( divide both sides by 6 )
w = 2.5 cm
In Lukas’s math class, there are 12 boys and 15 girls. Which of the following is the ratio of boys to girls in Lukas’s math class?
Answer: 4:5
Step-by-step explanation: First find a number 12 and 15 can both be divided by. I found 3, and did the following:
12/3=4
15/3=5
The ratio of boys to girls in Luka's math class is 4:5
Answer:
4:5
Step-by-step explanation:
12:15 simplifies to 4:5
Find the 4th term of the expansion of (a - sqrt(2)) ^ 8
Answer:
Applying the binomial theorem
[tex]{\displaystyle (x+a)^{n}=\sum _{k=0}^{n}{n \choose k}x^{n-k}a^{k}}[/tex]
Here we have x = -[tex]\sqrt{2}[/tex], n = 8,
=> 4th term (k = 3) would be:
[tex]{8 \choose 3}x^{8-3}a^{3}} = {8 \choose 3}(-\sqrt{2})^{5}a^{3}} = -224a^{3}\sqrt{2}[/tex]
Hope this helps!
:)
Answer:
A
Step-by-step explanation:
Marco measured the height of his snowman at the beginning of the week and again after five days. The change in height was -10 inches. How much did the snowman shrink per day?
Answer:
-2 inches
Step-by-step explanation:
Change in height: -10 inches
Days over which change noticed: 5 days
Change per day: -10÷5= -2 inches
The snowman shrank -2 inches per day.
pls help quick will mark as brainliest
The measure of a central angle is 3 x + 18, and the measure of its arc is 147°. Which equation can you use to find the value of x ?
A) 2(3 x + 18) = 147°
B) 3 x + 18 = 2(147°)
C) 3 x + 18 = 147°
Answer:
C
Step-by-step explanation:
The central angle is equal to the measure of the arc that subtends it, thus
3x + 18 = 147 → C
Answer: C.) 3x + 18=147
hoped this helped
:)
Which equation represents the line that passes through the points (-4, 10) and (-8, 9)?
How can you use ratios using fractions?
Rectangle Q has an area of 2 square units. Thea draw a scaled version of rectangle Q and labeled it Rectangle R. What scaled factor did these use to go from Rectangle Q to Rectangle R? Please help me
Answer:
square root of area of Q : square root of area of R
Step-by-step explanation:
Area of rectangle= L×B
Area of redrawn rectangle= l×b
ratio of area of two rectangles= (L×B)/(l×b)
ratio of sides of two rectangles=√((L×B)/(l×b))
What is the sum? …...
............................
17. The Cruz family is buying a custom-made cover for their swimming pool, shown below. The cover costs
$2.95 per square foot. How much will the cover cost? Round to the nearest cent.
25 tt
a
$2,627.56
c. $1,627.56
b. $1,467.56
d. $1,212.89
Answer:
The answer is is
C. $1,627.56
Step-by-step explanation:
The question is incomplete,
Kindly find attached the diagram of the poll for the dimension for your reference.
we need to first calculate the area of the pool.
Let's begin by calculating the area of the rectangular shape
A= length x width
A= 25*15
A=375ft²
Secondly the two semi circles can be solved for as a whole circle
Area of circle = πr²
Radius r= diameter/2= 15/2= 7.5ft
Area = 3.142*7.5²
A= 3.142*56.25
A= 176.7375ft²
Total surface area pool =
176.7375+375= 551.7ft²
Given that a square foot is $2.95
Hence the cost of covering the pool is 551.7*2.95=$1,627.515